2010 BMW X5 Spotted With 4.4-Liter 408 HP Twin-Turbo V8 From X6

According to Car Magazine, the 4.4-liter twin-turbo V8 that debuted in the BMW X6 is coming to the 2010 BMW X5. That'll give the X5 408 HP, a 155 MPH top speed, and a 0-60 time of 5.5 seconds; just a hair slower than the X6. » 6/20/08 10:20am 6/20/08 10:20am