Lexus GS430

Power To Please

The new Lexus GS is offered with two engines. GS300 models are powered by an all-new 3.0-litre V6, a chain-drive DOHC unit that produces 245bhp at 6,200rpm and 310Nm of torque at 3,500rpm. That permits 0-62 acceleration in 7.2 seconds and a top speed of 148mph. Using stoichiometric direct fuel injection technology and dual-VVT-i (Variable Valve Timing - intelligent), it achieves an excellent balance between performance and fuel economy.

The flagship GS430 model is equipped with the formidable 4.3-litre V8, delivering 279bhp and a maximum 417Nm of torque. Acceleration from rest to 62mph can be despatched in 6.1 seconds, while the top speed is limited to 155mph. Performance is aided by VVT-i with an ETCS-i drive-by-wire electronic throttle control.

Both engines are matched to a close ratio, electronically-controlled six-speed automatic gearbox with a sequential shift mode allowing the driver to make manual gear selection when desired.

Dynamic Precision

The all-new platform on which the GS is constructed offers greater rigidity and has a longer wheelbase and wider rear track than the previous generation model, factors which contribute much to the car’s excellent poise and handling.

The new GS also adopts new speed-sensitive electric power steering, which on the GS430 model further benefits from a Variable Gear Ratio Steering system that provides assistance to suit the driving conditions, ensuring excellent feedback to the driver at high speed, while making slow speed manoeuvring effortless.

Lightweight double wishbone front suspension and a compact multilink set-up at the rear deliver excellent ride comfort and cornering stability. On the GS430, Adaptive Variable Suspension (AVS) allows the driver to fine tune the damping system with settings for ‘normal’ or ‘sport’ performance. Selecting ‘sport’ also automatically adjusts the VGRS to provide quicker steering responses.

Close attention to aerodynamic efficiency and insulation provisions ensure that levels of noise, vibration and harshness are reduced to a minimum.

continues... | Part Three

Published : 09/04/05 Author : Melanie Carter

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