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Old January 8th, 2004, 07:37 PM   #1
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2005 Toyota Highlander V6 Hybrid w/270hp and 27.6mpg

Toyota Stages World Premiere Of All-New Highlander Hybrid SUV At 2004 North American International Auto Show

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01/04/2004 Detroit, MI

The all-new Toyota Highlander Hybrid gas-electric mid-size sport utility vehicle (SUV) made its world premiere at a press conference today at the 2004 North American International Auto Show (NAIAS) in Detroit.

"The Highlander Hybrid is the world's first seven-passenger hybrid SUV and marks the launch of a second all-new hybrid vehicle from Toyota before most manufacturers have launched their first," said Jim Press, executive vice president and COO, Toyota Motor Sales, U.S.A., Inc. "The addition of a hybrid system in our best-selling SUV provides further evidence that Toyota's commitment to hybrid technology will continue to run deep and wide."

Like the popular four-cylinder Prius gas-electric hybrid, the 3.3-liter V6-equipped Highlander Hybrid will be powered by a new version of Toyota's Hybrid Synergy Drive powertrain. The system was specifically developed to meet the load-carrying requirements of a mid-size SUV.

The system features a larger-capacity battery that will deliver nearly double the power of the battery in the Prius. An all-new high-speed electric motor will operate at twice the speed and deliver more than twice the power as the motor in the Prius. With total peak-system power projected at approximately 270 horsepower, the new system will improve upon the V6 Highlander's already impressive less-than-eight-second zero-to-60 acceleration.

In addition to its impressive performance, the Highlander Hybrid will also deliver the best fuel economy in the mid-size SUV segment. Its combined city-highway fuel efficiency will be significantly better than the current EPA average for a compact sedan, which is 27.6 miles per gallon. And, its estimated driving range will be more than 600 miles on a tank of gas.

Finally, the Highlander Hybrid will be rated as a Super Ultra Low Emission Vehicle (SULEV), one of the most stringent emissions rating in the industry.

In addition to providing the fuel economy of a compact sedan, the Highlander hybrid will offer the versatility, refinement, and comfort demanded in a mid-size SUV. Highlander Hybrid will come standard-equipped with front-wheel-drive and offer electric four-wheel-drive with intelligence (4WD-i). Models with 4WD-i are equipped with front and rear electric motors that will deliver balanced power to all four wheels, providing instantaneous acceleration.

To enhance safety and all-weather capability, the Highlander Hybrid will feature a Vehicle Dynamic Management (VDM) system. Monitoring a variety of sensors, the system is capable of anticipating pending vehicle stability problems and then correcting the situation with a combination of braking and throttle control. The new VDM system is less obtrusive than conventional VSC but acts quicker and more effectively.

Additional safety features include a tire pressure warning system, and optional front seat-mounted side airbags and front and second row curtain side airbags.

Inside, the Highlander Hybrid will feature three rows of seats that will include rear privacy glass, a rear heater system, and rear seat cupholders. "Walk-in" steps and a second-row sliding seat make it easy to enter and exit the third row. The third-row seat also folds completely flat into the floor to create added cargo space. The second-row 60/40 split-fold seat also reclines and folds forward flat for added comfort and utility.

The exterior styling will be freshened with the addition of a new front grille and bumper, and rear LED tail lamps. The Highlander Hybrid will also ride on 17-inch alloy wheels.

The Highlander Hybrid will feature an array of amenities owners have come to expect in their mid-size SUV, including standard air conditioning, power windows, mirrors, and door locks, cruise control, tilt steering wheel, and a deluxe 3-in-1 AM/FM/ETR cassette/CD sound system with six speakers. A multi-function display, conveniently located just beneath the speedometer, calculates and displays various mechanical and performance information including instant and average fuel economy, outside temperature, low tire pressure, and a Hybrid Synergy Drive energy monitor. A navigation system will be available on the Limited grade. Like the Prius, it will also monitor the electric-gas power distribution of the Hybrid Synergy Drive on a seven-inch touch-panel display monitor. All options currently found in the 2004 Highlander will also be available in the 2005 Highlander Hybrid.

"The Highlander Hybrid will join the Prius in early 2005, with the Lexus RX hybrid arriving toward the end of this year," said Press. "The trio will not only give consumers a broadband of hybrid-powered choices, it will firmly establish this important new technology in the hearts and minds of mainstream consumers."

Toyota Highlander Hybrid Preliminary Specifications

POWERTRAIN
Gas Engine
3.3-liter DOHC 24-valve VVT-i V6

Electric Motor
Permanent Magnet

Combined Peak System Output: 270 hp (estimated)

Expected EPA Emissions Rating: Super Ultra Low Emission (SULEV)

Transmission
Electronically-Controlled Continuously Variable (ECVT)


EXTERIOR DIMENSIONS (inches)
Wheelbase: 106.9
Overall Length: 184.6
Overall Width: 71.9
Overall Height: 2WD: 67.9/65.8 (with/without roof rails)
4WD: 68.3/66.1 (with/without roof rails)

INTERIOR DIMENSIONS (inches)
Headroom (front/middle/third seat): 40.0/39.3/32.3
Shoulder Room (front/middle/third seat): 57.9/57.0/53.2
Leg Room (front/middle/third seat): 40.7/36.4/30.2
Hip Room (front/middle/third seat): 55.1/54.9/39.8

Estimated EPA Cargo Volume (cubic feet)
Behind Third Row Seat: 10.5
Middle and Rear Seat Folded: 80.6

Seating Capacity: 7
EPA Class Rating: Mid-size SUV
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Old January 8th, 2004, 07:41 PM   #2
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damn I'll have to show this to my fiancee. Our 2002 Highlander is pretty awesome but she'd probably like something better than 22-23 mpg when going back and forth to the mall.


lol, j/k. Too many school debts to pay off, so we'll probably be driving our 02 for awhile yet.
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Old January 8th, 2004, 07:50 PM   #3
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Here's the press release for the RX400h. Pretty much identical to the Highlander.

Lexus Introduces RX 400h, World's First Luxury Hybrid SUVLexus Introduces RX 400h, World's First Luxury Hybrid SUV&mpt=[CACHEBUSTER]">




Lexus introduced what will be the world's first luxury
gas-electric hybrid SUV today at a press conference at the North American International Auto Show. The RX 400h will be powered by a V6 Hybrid Synergy Drive system that combines sub-eight second zero-to-sixty acceleration with fuel-efficiency equivalent to the current average for a four-cylinder compact sedan. The RX 400h will also be rated Super Ultra Low Emission Vehicle (SULEV), one of the most stringent emissions rating in the industry.
"The new RX 400h re-defines the midsize luxury SUV market while raising awareness and acceptance of hybrid gas-electric vehicles among luxury car and SUV buyers," said Denny Clements, Lexus group vice president and general manager. "This is truly a breakthrough in terms of hybrid gas-electric powertrains because, for the first time, it adds a new performance dimension to the traditional hybrid advantages of high mileage and low emissions."

Lexus created the car-based, luxury SUV segment with the launch of the innovative RX 300 more than five years ago. For 2004, Lexus made significant enhancements to the luxury content, performance and safety features with the introduction of the RX 330, making this vehicle the perfect match for the new V6 hybrid system.

The new RX 400h will become the premium model in the RX series, offering smoother and quieter operation, increased performance, significantly better fuel economy and a host of high technology, safety and comfort features.

Vehicle Dynamic Management
The RX 400h will introduce another industry first called VDM, or Vehicle Dynamic Management. Monitoring a variety of sensors, the system is designed to anticipate the onset of a vehicle skid or slide and then helps correct the situation with a combination of braking and throttle control. The new VDM system is less obtrusive than conventional VSC but ultimately more effective.

More Powerful, Advanced Drivetrain
The 400h hybrid powertrain combines a powerful electric motor with the highly efficient 3.3-liter V6 engine found in the RX 330 to significantly improve low to mid-speed acceleration and overall fuel efficiency. The system is a "full hybrid," meaning that the RX 400h is capable of operating in separate gas or electric modes, as well as a mode that combines power from both.

The RX 400h will develop a peak system output of approximately 270 horsepower and deliver combined fuel economy significantly better than the current average compact sedan rating of 27.6 miles-per-gallon. Zero-to-sixty acceleration will also improve over the current RX 330's sub-8 second time. The RX 400h with optional all-wheel-drive, which features a rear-drive electric motor, will accelerate quicker yet.

The RX 400h uses a regenerative braking system to further boost system efficiency. When the vehicle is coasting or the brakes are applied, the electric motor functions as a generator, capturing kinetic energy that would normally be lost as heat through the brakes and converting it into useable electricity to recharge the batteries.

One of the most remarkable features of the RX 400h is how similar this SUV is to its cousin, the RX 330. The computer-controlled powertrain seamlessly blends power from the V6 gasoline engine, the electric drive motor and the generator. The driver does not feel the vehicle changing operational modes. In fact, the only give-a-way is the absence of the traditional tachometer. In its place, the RX 400h has an illuminated power meter that displays the level of power generated by the gas-electric hybrid powertrain. The driver will also be able to monitor the gas-electric power distribution on the available seven-inch touch panel display screen that comes with the navigation system.

Luxury and Convenience Features
Lexus craftsmanship and attention to even the smallest details continue with the RX 400h. Nearly every feature available in the RX 330 is found in the RX 400h, with the exception of an exclusive RX 400h use of brushed aluminum accents inside that convey a high-tech look and feel to match its capabilities. The three-spoke steering wheel features easy-to-use controls for the audio system as well as the hybrid system's on-board computer monitor located in the center instrument panel.

"We believe the RX 400h will exceed the expectations of luxury vehicle buyers and establish a premium market for performance-oriented, fuel-efficient gas-electric hybrids," said Clements.

Preliminary Specifications
Powertrain: Engine - 3.3 liter V6
Electric motor(s) - Permanent magnet
Estimated total horsepower - 270
Expected EPA emissions rating - Super Ultra Low Emission Vehicle (SULEV)
Transmission - Electronically-controlled Continuously Variable Transmission (ECVT)
Wheelbase: 106.9 in.
Length: 186.6 in.
Width: 72.6 in.
Height: 66.1 in.
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Old January 8th, 2004, 11:23 PM   #4
 
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That's interesting info SteVTEC.
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Old January 9th, 2004, 05:20 AM   #5
 
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Great info Steve

Hybrids are finally becoming a huge thing . Toyota is putting a hybrid engine in there SUV's and Honda is putting one in the 2005 Accord V6. I am sure after Honda hears this news they will be following suit and make a Hybrid Pilot and MDX.

And some people thought that those little cars with hybrid engines were the only ones coming out anytime soon .



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Old January 9th, 2004, 07:19 AM   #6
 
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Keep in mind that you get tax breaks by owning a Hybrid automobile. This is good stuff!

Last edited by Deezo; January 9th, 2004 at 08:02 AM..
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Old January 9th, 2004, 07:23 AM   #7
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Originally posted by Deezo on January 9th, 2004 at 09:19 AM

Keep in mind that you get tax breaks by owning a Hybid automobile. This is good stuff!
oh yeah I forgot about that!

Here in the DC area also, you can take the HOV lanes with a hybrid even if it's just you in it.
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Old January 11th, 2004, 02:53 AM   #8
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Originally posted by SteVTEC on January 9th, 2004 at 09:23 AM

oh yeah I forgot about that!

Here in the DC area also, you can take the HOV lanes with a hybrid even if it's just you in it.
That's probably because most Hybrids like the Civic and the Prius, are so slow they can't keep up with the other lanes of traffic J/K

Great info

I wonder which will be better, Toyota's Hybrid 3MZ-FE or Honda's Hybrid J30A? I'm sure Toyota will follow Honda and offer their Hybrid V6 in the Camry
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Old February 6th, 2004, 07:35 AM   #9
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Hehe the HOV lanes are where all the crazy people drive, because its less congested and you can go faster
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Old February 7th, 2004, 10:24 AM   #10
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Old February 11th, 2004, 01:04 PM   #11
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The thing you guys should really be talking about is how much torque an electric motor puts out!

I don't remember the numbers, but they were sick. Now..once these puppies hit mainstream...imagine the aftermarket possibilities to boosting the electric motors or modifying the ECU for faster starts, etc...

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Old February 12th, 2004, 04:42 AM   #12
 
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Originally posted by Dizzy on February 11th, 2004 at 03:04 PM

The thing you guys should really be talking about is how much torque an electric motor puts out!

I don't remember the numbers, but they were sick. Now..ones these puppies hit mainstream...imagine the aftermarket possibilities to boosting the electric motors or modifying the ECU for faster starts, etc...

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Soon electric IMA equipped cars and performance can be used in the same sentence .

Quote:
Originally posted by VTEC-V6! on February 6th, 2004 at 09:35 AM

Hehe the HOV lanes are where all the crazy people drive, because its less congested and you can go faster
The HOV lane is my favorite lane on the highway . But I'm not crazy hehe .



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Old February 13th, 2004, 12:36 AM   #13
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Originally posted by Plumaccordcoupe on February 12th, 2004 at 06:42 AM



Soon electric IMA equipped cars and performance can be used in the same sentence .



The low-end torque provided by electric motors is incredible Combine that with a strong engine and all-wheel-drive and you've got a car that can really take off
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Old February 29th, 2004, 10:20 AM   #14
 
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Originally posted by Plumaccordcoupe
Great info Steve

Hybrids are finally becoming a huge thing . Toyota is putting a hybrid engine in there SUV's and Honda is putting one in the 2005 Accord V6. I am sure after Honda hears this news they will be following suit and make a Hybrid Pilot and MDX.

And some people thought that those little cars with hybrid engines were the only ones coming out anytime soon .
Haha yeah, I never thought I'd be saying this but, the Hybrid Accord will be blazing fast, so much for the SR intake/A/B exhausts on my 2001 AV6
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Old February 29th, 2004, 10:22 AM   #15
 
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Originally posted by Plumaccordcoupe


Soon electric IMA equipped cars and performance can be used in the same sentence .



The HOV lane is my favorite lane on the highway . But I'm not crazy hehe .
Soon? Try 180 days type of deal... The RX400h (not sure why it's now a 400 not a 330) and the V6 IMA Accord are both insanely powerful and still deliver better gas mileage than many other cars .

There'll come a day when you'll be driving your Daddy's Corvette and be passed by a V6 Hybrid setup 4dr car.
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Old March 1st, 2004, 08:10 AM   #16
 
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Its combined city-highway fuel efficiency will be significantly better than the current EPA average for a compact sedan, which is 27.6 miles per gallon.
That doesn't sound too impressive, if a normal Highlander gets 22-23mpg, then is it worth the extra cost of getting a hybrid? They still haven't given out a exact EPA figure, so "significantly better" could be 35mpg or it could be 28mpg. I was reading this one article talking about the pros and cons about this and a Lexus executive even admitted that they weren't going to market the hybrid as a "green car" choice and that there were rumors that these big hybrids were struggling to get the high mpg that people associate with hybrids.

Everybody talks about how wonderful hybrids are, but nobody knows the price of these hybrids yet. If it was $6000 over the V6, would you still get it?
It's a great idea, but gas is still filthy cheap- a lot of people probably would rather get the v6 and get extra options like leather, rims, dvd player, a premium pkg, etc.

I'd only get a hybrid if I could get 10mpg+ extra considering these cars are going to be more expensive. If the hybrid accord does what it says (more power and civic mpg), is coupe form, and not terribly expensive over the v6 I will consider it...
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Old March 1st, 2004, 09:23 AM   #17
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I'm pretty sure you can still take big tax write-offs if you buy a hybrid. That offsets a lot of the up front cost. I'm not sure of the exact figures, though.


Personally, instead of going with heavier and more complex hybrid power cars, I'd rather get a PZEV rated car like the Ford Focus 23E. PZEV meaning, it emits less emissions over 15,000 miles than would be from a power plant to charge and run full electric version of the car over the same mileage. Now that's pretty cool.
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Old March 1st, 2004, 09:50 AM   #18
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The HP numbers seem kinda low. only about a 50HP gain?

And they said they doubled the power of the Prius engine.

Meh oh well, TQ is more important for HP.

Now i wonder if prius owners can swap in those battery packs for EXTRA power or do something like that.
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Old March 3rd, 2004, 03:52 PM   #19
 
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That's probably because most Hybrids like the Civic and the Prius, are so slow they can't keep up with the other lanes of traffic J/K

LMAO ROTF... Anyways, that's the reason I hate hybrids b/c they are slower than even a diesel.

Try Mercedes' E320 diesel, which is a full 1 second quicker to 60mph at 6.4 sec than the gasoline E320. In fact, in Europe at least, the E320 diesel is also $1000US cheaper than the gas and in fact is quieter than the gas engine.

I don't know about this hybrid crap b/c even if Honda or Toyota makes them, who know how much the batteries will cost to replace down the road.
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Old March 17th, 2004, 12:24 AM   #20
 
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Originally posted by Fuggedaboutid on March 3rd, 2004 at 05:52 PM

I don't know about this hybrid crap b/c even if Honda or Toyota makes them, who know how much the batteries will cost to replace down the road.
Honda has an 8 year warranty for the IMA components in there Hybrid cars. I would think the batteries would wear out and need replacing before that 8 year mark. Too soon to know since these cars have only been out for around 4 years (Insight, Prius).



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Old March 19th, 2004, 11:50 PM   #21
 
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Honda has an 8 year warranty for the IMA components in there Hybrid cars. I would think the batteries would wear out and need replacing before that 8 year mark. Too soon to know since these cars have only been out for around 4 years (Insight, Prius).
I know of the 8yr Warranty... but, batteries have historically proved to wear out quickly and damaged by cold weather, etc. Imagine having to replace the CELL pack. $$$ I'd say $2000 right there.
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Old April 13th, 2004, 04:57 PM   #22
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Great news! My next car will most likely be the RX400H
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Old April 16th, 2004, 03:16 AM   #23
 
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Originally posted by Fuggedaboutid on March 20th, 2004 at 02:50 AM

I know of the 8yr Warranty... but, batteries have historically proved to wear out quickly and damaged by cold weather, etc. Imagine having to replace the CELL pack. $$$ I'd say $2000 right there.
The 8 year warranty would cover this problem so no need to worry. The last thing car companies want to do is raise the ownership maintenance cost on these type of cars.



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Old April 16th, 2004, 07:04 PM   #24
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These arnt regular batteries. These batteries have been tested to last 10 + years!!! I cant think of the spelling on them, but Im sure someone will chime in.
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Old April 16th, 2004, 10:55 PM   #25
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Dunno what you all are worried about. In 8 years you would have most likely traded in the car for the new cold fusion car out by then. Or one of those cool looking hover cars.

These are not your normal batteries that have issues with cold weather either.

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Old April 17th, 2004, 04:11 AM   #26
 
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Originally posted by Lumpy on April 16th, 2004 at 09:04 PM

These arnt regular batteries. These batteries have been tested to last 10 + years!!! I cant think of the spelling on them, but Im sure someone will chime in.
NiMH (Nickel Medal Hydride)



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Old February 15th, 2005, 11:31 PM   #27
 
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From AutoWeek: http://www.autoweek.com/article.cms?articleId=101696



2006 Lexus RX 400h

Green with Luxury: Raising the bar for full hybrids
ROGER HART

Published Date: 2/7/05

2006 LEXUS RX 400h
ON SALE: April 15
BASE PRICE: $41,000 (est.)
POWERTRAIN: 268 hp from 3.3-liter V6/combined motor generators; awd, CVT
CURB WEIGHT: 4365 lbs
0 to 60 mph: 7.3 seconds (mfr.)

Toyota created a gasoline-electric-hybrid consumer monster, and now it’s struggling to feed it.

Since Lexus announced at last year’s Detroit show that a hybrid version of its best-selling RX sport/utility vehicle would be for sale, nearly 10,000 people have plunked down deposits. More than 46,000 others say they’re also interested in the RX 400h.

In the car world, that’s a home run—out of the park.

While the line gets longer to own an RX 400h, building them is taking more time than first thought.



Why: Toyota was taken aback by the popularity of its Prius hybrid and increased production to meet demand. More than a year after launch, supplies are still short for the economy car. Toyota makes most of the hybrid drivetrain parts in-house, so it can’t simply say to a supplier, “Give us more.” To help meet demand, Toyota recently announced it is looking to build hybrids at a U.S. plant to supplement supply from Japan.

“We fully expect the RX 400h to be 25 percent of [U.S.] RX sales,” says Denny Clements, Lexus group vice president and general manager. Lexus sold 106,531 RX 330s in 2004, making it the best-selling Lexus model. Annual production from the RX 400h plant in Japan is about 38,000 vehicles, and as the hybrid sport/ute will be sold worldwide, Clements has been told the United States will get 24,000 vehicles annually. “We know that’s probably not enough to meet demand,” he says.

Originally slated as a 2005 model, the RX 400h’s launch was pushed from fall 2004 to mid-April in an effort to get a sufficient production stockpile, so it will appear as a 2006 model.

“With almost 10,000 already sold, those first few months of vehicles are already spoken for,” Clements says. Lexus started a system where buyers who put money down got vehicle numbers, and they can now track their vehicles through production. Lexus’ financial unit is also allowing buyers to extend current Lexus leases as they await their hybrid RXs.

It will be worth the wait.



You will be able to tell an RX 400h from all other RX models that came before. Its grille, front fascia, headlights, taillights and wheels are new; the hybrid is one inch longer and 0.3 inch taller than the RX 330. What remains the same is its 106.9-inch wheelbase, maximum 3500-pound towing capacity and aerodynamic drag coefficient of 0.35. The hybrid weighs 300 pounds more than the RX 330, thanks to batteries and electric motors.

Differences inside include brushed aluminum trim that replaces wood, and a power meter in place of a tachometer. That’s about it.

Where Toyota chose purpose-built, low-rolling-resistance tires for Prius to improve fuel mileage, the 235/55VR-18 M+S Michelins on the RX 400h are the same as those on the RX 330.

“No question that a low-rolling-resistance tire would have increased fuel mileage,” said Dave Hermance, executive engineer for environmental engineering at Toyota’s technical center. “But we did not want to compromise the ride and handling, so we went with a standard tire.”

Fuel mileage is still a selling point, especially for a sport/ute: The RX 400h gets roughly 33 percent better mileage than the RX 330. The city fuel mileage rating gets a 67 percent boost over the gas-only counterpart.

As for ride quality, we could not tell the difference between the hybrid and non-hybrid variants during our test drives on relatively smooth pavement, though the hybrid does seem quiet*er. Lexus vehicles are known for their bank-vault silence, and when you have the gasoline engine shutting off at stops and at low speeds, it almost whispers. It’s so quiet you can hear the fans cooling the sealed nickel metal-hydride battery pack that sits beneath the rear seat. The resulting noise is no more than that of cooling fans on a computer.



The 3.3-liter V6 makes a little noise of its own, producing 208 hp at 5600 rpm and 212 lb-ft of torque at 4400 rpm. This is the same engine as in the RX 330, but detuned about 10 percent from the 230 hp and 242 lb-ft it makes in that vehicle. But helping out the RX 400h are three motor generators with their own drive*line functions: two drive motors and generators, and a motor with the generator driven by the gas engine charging either the battery pack or powering the other two electric motors, depending upon what is needed. Regenera-tive braking turns the electric motors into generators, replenishing the batteries. Managing the entire system is a fourth-generation electronic control unit.

Power from the gas engine and the front electric-drive motor is sent to the wheels via a planetary gear-type CVT. One electric motor, known as MG1, acts as the gas-engine starter and controls the transaxle speed through a planetary gear set using no clutches or viscous couplings. The system ensures a smooth transition in the drive*line. To further reduce drag on the gas engine, the RX 400h uses an electric air conditioning compressor as well as an electric power steering unit. No serpentine belts are underhood.

Electric motors also play a part in the vehicle’s all-wheel-drive system. A 50-kW electric motor makes 68 hp and 96 lb-ft in the rear to provide extra power and torque on demand. The system varies torque distribution between the front and rear axles, depending on road conditions.



During low-speed and some stop-and-go conditions, it runs solely on electric power for longer times than we have experienced in other hybrids. Step on the accelerator, and a 167-hp electric-drive motor kicks in first, delivering its 247 lb-ft of peak torque from 0 to 1500 rpm. The high-torque electric motors make the hybrid a half-second quicker off the line, Lexus says, with 0 to 60 mph coming in 7.3 seconds compared to 7.8 seconds for the RX 330. Fuel consumption is EPA-rated at 30 mpg city/26 highway for the hybrid; the RX 330 is rated at 18 mpg city/24 highway.

Don’t be surprised to see Toyota market the RX 400h for its greenness and for its performance. Even for a midsize sport/ute, being quick and efficient are good bragging rights.



Cylinder deactivation would help increase it's highway MPG though.



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Old February 15th, 2005, 11:42 PM   #28
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No tachometer? lol, I missed that before in my own post but That just sorta reminds me of 80's/early-90's domestic dashboards with just a speedo, fuel guage, and that's it. On a pricey luxury nameplate such as this, I'd expect at least a nice reworking of the display area for additional telemetry. I mean, Honda can do that on the Accord Hybrid, so why can't Lexus do it on the RX400h?

I also wonder why they detuned the 3.3L? Maybe they're holding it back so that they can up-tune it a bit at a later date? Or maybe it's to increase longevity of the drivetrain components....

As for cylinder deactivation, I'd be willing to bet that Honda has a number of US and international patents on that technology and their specific implementation of it. That would prevent other manufacturers from "copying" it unless authorized via licensing arrangements.
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Old February 16th, 2005, 12:18 AM   #29
 
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Quote:
Originally Posted by SteVTEC
No tachometer? lol, I missed that before in my own post but That just sorta reminds me of 80's/early-90's domestic dashboards with just a speedo, fuel guage, and that's it. On a pricey luxury nameplate such as this, I'd expect at least a nice reworking of the display area for additional telemetry. I mean, Honda can do that on the Accord Hybrid, so why can't Lexus do it on the RX400h?
I found that odd as well. The only import cars I know of that didn't come with one are the older low trim Corolla’s and Civic DX's .

Quote:
Originally Posted by SteVTEC
I also wonder why they detuned the 3.3L? Maybe they're holding it back so that they can up-tune it a bit at a later date? Or maybe it's to increase longevity of the drivetrain components....
Probably to decrease gas consumption and increase longevity of the drivetrain components. Honda used a forged crankshaft and camshafts to decrease drivetrain friction on the AV6 Hybrids V6 engine.

Quote:
Originally Posted by SteVTEC
As for cylinder deactivation, I'd be willing to bet that Honda has a number of US and international patents on that technology and their specific implementation of it. That would prevent other manufacturers from "copying" it unless authorized via licensing arrangements.
Honda's cylinder deactivation system can't be the only type possible on an OHC V6. Can it?



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