It measures 4,801mm in length, 1,887mm in width, and has a wheelbase of 2,857mm . It is a 4-seater coupe with a carbon fibre roof . The engine displacement is 2,993 cc . For buyers considering the BMW M4, that matters because it affects how easy the car is to live with, whether for commuting, family use, long-distance driving or ownership costs. The useful way to read this is not as an isolated specification, but as a clue to how the car will feel in real daily use.