Specifications Comparison: 2019 BMW M4 vs 2021 BMW M4

Legroom

Trim	Eng.	Drive train	1st Row Legroom (in)	2nd Row Legroom (in)
		None	42.2	33.1
		None	42.2	33.7
CS	3.0L I6	RWD	42.2	33.7
0i Sports Activity Vehicle	3.0L I6	AWD	40.3	36.4
0i Sports Activity	3.0L I6	AWD	40.7	35.5
		None	42.2	33.1
		None	42.2	33.7
CS	3.0L I6	RWD	42.2	33.7
0i	3.0L I6	AWD	40.3	36.4
0i	3.0L I6	AWD	40.7	35.5

Trim	Eng.	Drive train	1st Row Legroom (in)	2nd Row Legroom (in)	3rd Row Legroom (in)	4th Row Legroom (in)	5th Row Legroom (in)
4 Series	3.0L I6	RWD	41	34
4 Series Competition	3.0L I6	RWD	41	34

Trim	Eng.	Drive train	1st Row Legroom (cm)	2nd Row Legroom (cm)
		None	107.2	84.1
		None	107.2	85.6
CS	3.0L I6	RWD	107.2	85.6
0i Sports Activity Vehicle	3.0L I6	AWD	102.4	92.5
0i Sports Activity	3.0L I6	AWD	103.4	90.2
		None	107.2	84.1
		None	107.2	85.6
CS	3.0L I6	RWD	107.2	85.6
0i	3.0L I6	AWD	102.4	92.5
0i	3.0L I6	AWD	103.4	90.2