2018 BMW 550i xDrive

2018 BMW M550i xDrive Unseats BMW 5 As Fastest Car In 5 Series; How Long Can It Keep The Crown? [VIDEO]

The 2018 BMW M550i xDrive will soon unseat the BMW 5 as the fastest BMW car, with increase horsepower and speed. This latest addition to BMW cars get its power from a 4.4-liter twin-turbo V8 engine that will produce 456 horsepower and a torque of 480 pound-feet, making it more powerful than the BMW 5, which had been considered BMW's fastest car prior to the coming of 2018 BMW M550i xDrive. more