High-Technology Safety and Luxury

In addition to their performance-oriented powertrains, the IS models bring a wide array of standard and available features designed to convey the true Lexus feel throughout. Lexus' focus on safety for the IS models includes standard Vehicle Stability Control (VSC) for the IS 250. The IS 350 is exclusively equipped with a sport-oriented version of the Vehicle Dynamics Integrated Management (VDIM) system, an advanced technology that integrates all of the car's dynamic-control systems. All IS models feature eight standard airbags, and the IS was the first car in its segment to offer an optional pre-collision system that can help reduce collision damage.

The Lexus IS also offers premium, high-technology options more often associated with prestige-luxury models, such as Dynamic Radar Cruise Control; Adaptive Front lighting System (AFS); heated and ventilated front seats; a power-tilt-telescope steering wheel and - exclusive to Lexus - a 14-speaker Mark Levinson Premium Surround Sound Audio System.


Powerful V6 Engine Family

Lexus IS 250's 2.5-liter V6 engine delivers 204 horsepower at 6,400 RPM and 185 lb.-ft. of peak torque at 4,800 RPM. The IS 350's 3.5-liter version delivers a best-in-class 306 horsepower at 6,400 RPM along with 277 lb.-ft. of torque at 4,800 RPM. Both of these V6 engines use aluminum cylinder blocks and heads and employ dual Variable Valve Timing with intelligence (VVT-i), which controls timing on both the intake and exhaust camshafts. A dual-exhaust system reduces backpressure at higher engine speeds, and a variable-valve system in the mufflers helps reduce noise at lower speeds.

A direct-type fuel-injection system provides a cooling effect in the cylinders, enabling the high compression needed to extract maximum energy from the fuel. Both engines benefit as well from reduced internal friction via chain-driven camshafts and roller-rocker arms. Aside from its larger displacement, the 3.5-liter V6 differs chiefly in that it augments the direct fuel injection with port fuel injectors. In light- and medium-load conditions, these additional injectors help produce a precise burn, increasing power and efficiency.

An advanced six-speed automatic transmission with steering-wheel-mounted paddle shifters is standard on the IS 350, IS 250 and the all-wheel drive model. The rear-wheel drive IS 250 comes standard with a crisp-shifting six-speed manual transmission, with the paddle-shift automatic offered as an option.

The high technology also pays dividends in fuel economy, with the IS 350 returning an EPA-estimated 21 mpg city/28 mpg highway. Lexus IS 250 has an EPA-estimated 24 mpg city/32 mpg highway with the six-speed automatic transmission, 20 mpg city/28 mpg highway for the six-speed manual, and Lexus IS 250 AWD model attains 22 mpg city/28 mpg highway. All 2007 Lexus IS models carry the Ultra-Low Emission Vehicle II (ULEV II) certification.


Sophisticated Dynamics Match High Power

The Lexus IS was engineered from the tires up for a sporty driving experience. The double-wishbone front suspension features a high-mount upper control arm, and the lower arm uses a large, liquid-filled bushing at the rear to minimize vibration and harshness. The multilink rear suspension emphasizes precise control of geometry in all dynamic conditions, helping make the IS sport sedans ultra-stable for confident driving. High-strength steel and aluminum suspension components reduce unsprung weight, helping the IS remain stable on bumpy surfaces and improving ride comfort.

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