The 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 Lexus IS 350's 3.5-liter V6 offers a more potent 306 horsepower at 6,400 RPM and 277 lb.-ft. of torque at 4,800 rpm. The IS 350 RWD model can accelerate from zero-to-60 mph in just 5.3 seconds. Both engines employ dual Variable Valve Timing with intelligence (VVT-i), which controls timing on both the intake and exhaust camshafts.
Aside from its larger displacement, the 3.5-liter V6 also differs 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, optimizing power and efficiency. A dual exhaust system reduces backpressure at higher engine speeds.
An advanced six-speed automatic transmission with steering-wheel-mounted paddle shifters is standard on the Lexus IS 350 models and the IS 250 AWD. The IS 250 RWD comes standard with a crisp-shifting six-speed manual transmission, with the paddle-shift automatic offered as an option.
Seating for five people is standard, but the GX 470 can seat up to eight occupants when equipped with an optional third-row seat. Standard features include dual-zone automatic climate control, lea ...
2011 Lexus IS review
The 2011 Lexus IS ranks 10 out of 21 Upscale Midsize Cars. This ranking is based on our analysis of 63 published reviews and test drives of the Lexus IS, and our analysis of reliability and safety ...
The system sounds the alarm and flashes lights when forcible entry is detected. Close the moon roof and all windows. Stop the engine. The engine immobilizer system causes the indicator light to ...