Is M5 faster than M6?
Is M5 faster than M6? M5 is a sedan, but M6 is a luxurious GT. Technically yes, the M5 is a 4 door M6 Coupé, but there is a true true 4 door M6 Coupé coming, the M6 GranCoupé. It will be the most expensive but also the most exclusive. In terms of performance, the M6 Coupé will be faster because it is slightly lighter (1925 kg vs 1945 kg).
Are M5 and M6 the same?
The number after M is the nominal diameter of the threaded portion in millimetres. So M6 is thicker than M5.