The 2011 BMW X5 is a part of the model's second generation, and it's renowned for its performance, handling, and luxurious appeal. It comes in four main trims: 35i, 35d, 50i, and the high-performance X5 M. The X5 offers a range of engine options, the 35i trim comes with a 3.0-liter turbo inline-6 engine generating 300 hp, the 35d trim has a 3.0-liter turbodiesel inline-6 engine with 265 hp and the 50i trim boasts a 4.4-liter turbo V8 engine generating a whopping 400 hp. Transmission is handled by a six-speed automatic, driving either the rear wheels or all four in xDrive trims. BMW's iDrive system controls the infotainment, providing 12-speaker CD stereo with an MP3 jack come standard. Available safety features include side curtain airbags, antilock brakes and an electronic stability system. Notable changes for the 2011 model year include minor exterior updates, a new eight-speed automatic transmission for gas models, and updated interior trims.