The fourth generation 2009 BMW 5 Series is renowned for its performance and luxury. It is available as a sedan or a wagon, each with 528i, 535i and 550i trims. The 528i gets a 230-hp 3.0L inline-6, the 535i sports a 300-hp 3.0L turbocharged inline-6, and the 550i houses a 4.8L V8 delivering 360 hp. Transmission options include a 6-speed manual, 6-speed automatic, or a 6-speed sequential manual gearbox (SMG). All models can be equipped with xDrive AWD system; RWD is standard. The 5 Series delivers luxury in the form of a 10-speaker audio system, navigation, Bluetooth, and BMW's iDrive infotainment system. Key safety features include stability control, anti-lock brakes, front-seat side airbags, and full-length curtain-type airbags.