The 5-passenger X5 is available in three trims: xDrive30i, xDrive35d and xDrive48i. The xDrive30i gets a 260-hp 3.0-liter inline six-cylinder engine, while the xDrive35d is outfitted with a 3.0-liter twin turbo inline six-cylinder diesel engine that puts out 265 horsepower and 425 pound-feet of torque. At the top of the power range, the xDrive48i boasts a 350-hp 4.8-liter V8 engine. All trims share the same standard six-speed automatic transmission with Steptronic manual shift mode, as well as BMW's xDrive intelligent all-wheel drive system. Standard equipment includes 18-inch alloy wheels, a Panorama glass moonroof, bi-xenon adaptive headlamps, automatic climate control, wood interior trim and leatherette upholstery (leather on the xDrive48i); an optional third-row seat adds versatility, increasing seating capacity to seven passengers. Safety features on every X5 include anti-lock disc brakes, Dynamic Stability Control with traction control and rollover sensor, run-flat tires and a tire pressure monitor, along with front side-impact airbags and overhead curtain airbags for all rows.For 2010, the BMW X5 gets HD radio added to standard equipment on all trim levels.