Alpina and BMW are so closely intertwined that Alpina's development is incorporated into BMW's production lines. This means they've been designated an auto manufacturer by the German government — not simply an aftermarket tuner. Alpina's latest collaboration is the XB7, a high-performance version of BMW's biggest SUV. A 4.4-liter twin-turbo V8 makes 621 horsepower and 590 lb-ft of torque, good for 0-60 in 4.2 seconds and a limited top speed of 180 MPH — numbers that are supercar territory. The Alpina Sport Suspension gives the driver the ability to instantly adjust the ride height up to 1.6 inches for either more comfort or higher road-holding. The exterior features subtle Alpina badging with 23-inch anthracite wheels with Aplina's classic 20-spoke design. Inside you'll find Lavalina leather upholstery with contrast stitching and Alpina details.