The G05 BMW X5 is an excellent luxury SUV that boasts a well-appointed interior and a sporty driving character. This particular X5 M50i touts over 500 horsepower from its twin-turbocharged V8 and a handsome Phytonic Blue Metallic over Coffee color combination. It also features some great factory equipment, including the Executive, Driver's Assistance Pro, and Parking Assistance packages – along with no major modifications. Power comes from a 4.4-liter twin-turbocharged V8, rated at 523 horsepower and 553 lb-ft of torque. Called N63 internally, it spins all four wheels via an 8-speed automatic transmission.