The GS 450h's hybrid powertrain shares its engine with the IS 350 sedan, a 3.5-liter V6 capable of yielding 292 horsepower. That engine, combined with two electric motors brings the GS 450h's total horsepower to 340. The GS 450h features Lexus' Vehicle Dynamics Integrated Management system, which entails various coordinated electronic safety features such as an electronic stability system, electronic steering and electronic brakes. Other standard safety features include antilock brakes, and front knee, side-impact and side curtain airbags. The Lexus GS 450h receives a slightly refreshed front styling for 2008.