The spectacular BMW 8 Series is impossible to ignore. You can have it with either two doors or four doors. Under the long, sleek hood is a twin-turbocharged 4.4-litre V8 engine ranging from 525 to 617 horsepower, depending on the trim level. The top-line M8 Competition can reach triple-digit speeds from a standstill in a mere 3.2 seconds. None of these figures is a typo, just to be clear.