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Engine/Transmission/Drivetrain/Performance
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 ...

12-volt battery
Location The 12-volt battery is located on the left-hand side of the luggage compartment. Removing the 12-volt battery cover - Vehicles with a compact spare tire Pull the lever upward to fol ...

INTERIOR
The interior of the RX 350 is surprisingly understated and simple. The wood trim looks nice, but the black- and silver-colored plastic surfaces could have appeared more upscale. After testing a ...