When equipped with the standard six-speed manual transmission, both the M3 and M4 can accelerate to 60 mph from a standstill in 4.1 seconds. With the seven-speed M Double Clutch Transmission (M-DCT), both vehicles are capable of hitting 60 mph in 3.9 seconds. The 2015 M3 and M4 are electronically limited to a top speed of 155 mph.
