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The LS 600h, The Full Hybrid Lexus Flagship

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Khatir Soltani
Press release
Source: Lexus

The LS 600h gains a range of technological and styling improvements for the 2010 model year, changes that have been unveiled for the first time at the Frankfurt motor show.


With redesigned seating, updated equipment, a new ECO driving mode and new brakes, the LS 600h and the long wheelbase LS 600h L achieve advances in comfort and driving dynamics.

Lexus Hybrid Drive system
The full hybrid Lexus Hybrid Drive system that powers the LS 600h has a new ECO mode, which modifies the throttle action and performance of the air conditioning system to support fuel-efficient driving.

The relationship between movement of the accelerator pedal and system output is automatically controlled, reducing response to aggressive inputs to improve fuel economy and promote smoother driving. The load on the engine is also reduced under acceleration, which also helps improve fuel efficiency.

When the outside temperature is 20°C or higher, the air conditioning system automatically selects its air recirculation mode to reduce power consumption. The blower airflow is reduced when set to “high” and operation of the supplementary electrical heating system (the PTcompact heater) is stopped, further cutting the amount of power used. Also, the system will not signal for an increase in engine speed to boost power when the vehicle is at idle.

Repackaging of the full hybrid system’s battery into two sections of six and 14 modules has reduced its overall size and freed up more luggage space in the boot.

Further development of the Lexus Hybrid Drive system has been revised to meet Euro V exhaust emissions standards, but with no change to the car’s performance: the combination of the 5.0-litre V8 petrol engine and 165kW electric motor produces a maximum 439bhp and 520Nm of torque, giving nought to 62mph acceleration in 6.3 seconds. CO2 emissions are 219g/km and combined cycle fuel economy remains 30.4mpg (figures provisional prior to UK homologation).

Khatir Soltani
Khatir Soltani
Automotive expert
  • Over 6 years experience as a car reviewer
  • Over 50 test drives in the last year
  • Involved in discussions with virtually every auto manufacturer in Canada