Power
Unlike any 4 door sedan EVER.
Styling
This M5 looks pretty serious, not quite the Sleeper of the previous editions, but still a wolf in sheep's clothing.
Cost to Maintain
Not cheap, but if you can afford the car you should be able to afford the upkeep.
Braking
Brake performance is fine, but an oddity with the F90 is annoying brake squeaks and squeal