The BMW X5 xDrive50i is a luxury SUV made by German automaker BMW. It is the top-of-the-line model in the X5 lineup and comes standard with a 4.4-liter twin-turbocharged V8 engine that produces 445 horsepower. The X5 xDrive50i includes an 8-speed automatic transmission, as well as BMW's xDrive all-wheel-drive system. Standard features on this model include leather upholstery, a power panoramic moonroof, a 10.2-inch infotainment system, a Harman/Kardon audio system, and advanced driver-assist safety systems.