Photo BMW X6

The most potent 2008 BMW X6 will be sold with the rather awkward-looking xDrive50i badge, meaning that there is a 4.4-liter V8 beast under the hood, churning out impressive 400 hp and 450 lb-ft (597 Nm) of torque and transferring it to the wheels via a full-wheel-drive transmission. The company claims that with so much power ready to rock, the vehicle will take only 5.3 seconds to jump from zero to 60 mph.

Less powerful X6 xDrive35i will sport a 3.0 inline six-cylinder engine, capable of producing only 300 horsepower and 300 lb-ft (407Nm) of torque.