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Lexus RX400h Hybrid SUV

The Lexus RX400h Hybrid SUV is Toyota's coupe de gras when it comes to luxury green vehicles. In fact, the Lexus RX400h Hybrid SUV is the world's first hybrid luxury SUV.

Don't think, though, that you can just go down and grab a Lexus RX400h Hybrid off the lot.

The Lexus RX400h has a long waiting list where demand is far exceeding supply for this hybrid.

The Lexus RX400h Hybrid SUV is similar to the Toyota Highlander Hybrid SUV in that they both use the Hybrid Synergy Drive system featuring a 3.3-liter DOHC 24-valve VVT-i V6 gasoline engine combined with a high-torque electric engine. The Highlander offers both 2WD and 4WD while the RX400h only offers a 4WD model. For more information see: Toyota Highlander Hybrid



Water Hybrid Car Technology
Boost mileage 30% - 60%, reduce emissions, greenhouse gases and global warming.

Hydrogen on Demand Kit
Use this kit to convert your car to burn hydrogen and save gasoline & the environment.

Electric Car Conversion Plans
Stick It to the Oil Companies and Convert Your Car to an EV, Quickly, Easily and Cheaply!


The Lexus RX400h Hybrid SUV battery never has to be charged. This is a common misconception with hybrid vehicles. The electric motors also act as generators to recharge the battery pack and the battery pack is under warrantee for 8 years of 100,000 miles. Another common misconception is that hybrid vehicles are gutless little go-carts driven by new age vegans with a chip on their shoulders.

This is so not true. The Lexus RX400h Hybrid SUV Performs like a V8 because of the combination of V6 gasoline engine and electric motors. The 400 in the name means it performs like a 4-liter engine, with acceleration from 0 - 60 in just 7.3 seconds. This is no gutless engine!


Because this is a 4-wheel drive vehicle, there are two electric motors, one powering the front wheels and one the back wheels. During high speeds, the gasoline engine or both the gasoline engine and electric motors work to deliver the vehicle high torque. In slower driving conditions, such as city driving, only the electric motors may be used. The Lexus RX400h is considered a full hybrid, which can be powered only by gasoline engine, only powered by electric motors or a combination of each.

The Lexus RX400h Hybrid has a regenerative braking system. This means that when you take your foot off the accelerator or place your foot on the brakes, the electric motors automatically turn into electricity generators and recharge the battery pack. The Lexus RX400h also comes with a Electronically controlled Continuously Variable Transmission (ECVT). This means there is almost an infinte number of shifting combinations so you'll never feel the clunk or vibration of your automatic transmission up-shifting or downshifting. The ECVT also comes with a B shift control to help in the braking of the engine, similar to downshifting. Standard also are ventilated disc brakes and an anti-lock braking system (ABS).

Water Hybrid Car Technology
Boost mileage 30% - 60%, reduce emissions, greenhouse gases and global warming.

Hydrogen on Demand Kit
Use this kit to convert your car to burn hydrogen and save gasoline & the environment.

Electric Car Conversion Plans
Stick It to the Oil Companies and Convert Your Car to an EV, Quickly, Easily and Cheaply!

The Lexus RX400h Hybrid comes with an electronic power steering system that allows driver to steer with aid of computer, which means steering is quicker and more responsive and does not need power steering fluid, pump or fan belt. This means fewer moving parts, repairs and a lighter vehicle.

The powertrain pluses don't stop there, though. According to Lexus, "Essentially the "brain" of the hybrid system, the Electronic Control Unit (ECU) manages the power flow between the generator, battery and motor. By constantly monitoring various driving conditions, the ECU allows the transmission to get optimal power and fuel consumption from the powertrain." Managing the physical interaction between the gasoline engine, electric-drive motors and generator is the Planetary Gear Set. The gear set is able to deliver more power from the high-speed, high-torque electric motors and will result in fewer functional repairs and quieter driving. Besides the gasoline-electric combination promoting super ultra-low emissions, the Lexus RX400h Hybrid Gas also has an innovative gas cap and closed fuel tank system that is more efficient in restricting fuel vapors into atmosphere.


The Lexus RX400h Hybrid comes with a Vehicle Dynamics Integrated Management system (VDIM), which monitors vehicle and road conditions to help drivers avoid accident and improves smoothness of handling. The VDIM uses more responsive sensors and highly sophisticated algorithms. In addition, the Vehicle Dynamics Integrated Management System constantly monitors a number of variables to help the driver avoid a potential accident while cornering. By anticipating such problems, the VDIM is designed to effortlessly and seamlessly adjust the speed, throttle, braking, steering and lean of the vehicle providing a safer and smoother ride. The adaptive front lighting system improves visibility and will actually swivel headlights to the left and right for maximum coverage.

The Lexus RX400h Hybrid also has a DVD based navigation system for the geographically-impaired, plus a backup camera for added safety.

Styling and Luxury

The Lexus RX400h Hybrid has a new, sleeker design with an attention to detail. Not only does it have integrated fog lamps and wind-tunnel aerodynamics, but only sports 18-inch alloy wheels, which are new on the RX400h model. Standard DVD entertainment and navigation systems plus a Mark Levinson Premium Audio System make the Lexus hybrid a true luxury vehicle. Lexus, has also taken great pains in the noise reduction arena. Engine mounts have been moved forward to minimize vibration, the air intake system has been redesigned to reduce noise and insulation has been added to the body panels, wheel wells, and even inside the windshield all in an effort to make this the quietest ride possible.

All in all, the Lexus RX400h Hybrid sets the standard for all other luxury SUV's to come. One just has to wonder if any challengers will readily step up to the plate.