Primarily unchanged for 2009, the Lexus GS 350 is midsize luxury sedan powered by a 3.5L V6 engine with direct injection and variable valve timing on both its intake and exhaust valves. The GS 350 is rated for 303 hp and 274 lb-ft of torque. A six-speed sequential-shift automatic transmission is standard, but there is a choice of a standard rear-wheel-drive setup or an optional all-wheel-drive system. According to Lexus, the GS 350 AWD travels from 0 to 60 mph in 5.8 seconds and the RWD in 5.7 seconds. Lexus GS 350 standard features include 17-inch wheels, xenon HID headlamps, a moonroof, leather upholstery, dual-zone automatic climate control, a 10-speaker CD audio system and Bluetooth. Options include a Mark Levinson surround-sound audio system, DVD navigation, a rearview camera, a pre-collision accident preparedness system and adaptive cruise control. Fuel economy estimates for the AWD are 18 mpg city/25 mpg hwy and 20 mpg in combined driving, while the RWD achieves 19/27/22.