Relatively unchanged for 2009, the Mercury Sable now comes with stability control standard on all trim levels, while reverse parking sensors and satellite radio are added to the premier trims. Powered by a 3.5L V6 engine, the Sable pumps out 263 hp and 249 lb-ft of torque with a mandatory six-speed automatic transmission. Offered is a choice of front-wheel drive or AWD. Fuel economy is estimated at 18 mpg city/28 mpg hwy and 22 mpg combined for the front-wheel-drive version, while AWD brings down those numbers to 17 mpg city/24 mpg hwy and 19 mpg combined. Among the standard safety features are stability control, antilock disc brakes with brake assist, front-seat side airbags, full-length side curtain airbags and the "SOS Post-Crash Alert System" which unlocks the doors and turns on the horn and emergency lights when the airbags are deployed. Racking up a perfect five stars across the board, Mercury Sable safety ratings are particularly noteworthy, earning it a reputation as a solid, full-size family sedan that provides comfort and security for up to five passengers.