BMW M4 Coupé vs Porsche 911

Every spec side by side, from each maker's published figures.

Only show differences

Better figure, where one is clearly better

Share comparison

M4 Coupé compared with 911

	BMWM4 Coupé	Porsche911
Overview
Released
Released	March 2021	2019
Performance
Powertrain
Powertrain	Petrol	Petrol, Hybrid
Power
Power	523–543 bhp	389–631 bhp (better)
0–62 mph
0–62 mph	3.4–3.5 s	2.5–4.5 s (better)
Top speed
Top speed	155–188 mph	183–200 mph (better)
Engine or motors
Engine or motors	2,993 cc six-cylinder twin-turbo petrol; 390 kW (530 hp) Competition, 405 kW (551 hp) CS; bhp converted from BMW's kW figures	3.0-litre twin-turbo flat-six, 394 PS (Carrera, Carrera T) or 480 PS (Carrera S, 4S); 3.6-litre flat-six T-Hybrid, 485 PS system output (GTS); 4.0-litre naturally aspirated flat-six, 510 PS (GT3); 3.6-litre twin-turbo flat-six, 640 PS (Turbo S); bhp converted from PS. 0–62 mph with Sport Chrono where Porsche lists it (Carrera 4.1 s and Carrera S 3.5 s without)
Torque
Torque	650 Nm	–
Gearbox
Gearbox	8-speed automatic	8-speed PDK dual-clutch; 6-speed manual on the Carrera T; GT3 with 7-speed PDK or 6-speed manual
Drive
Drive	M xDrive all-wheel drive	Rear-wheel drive; all-wheel drive on Carrera 4S and Turbo S
Range and charging
Economy (WLTP)
Economy (WLTP)	27.7–28 mpg	20.7–28.1 mpg (better)
Efficiency
Efficiency	WLTP combined: 27.4–28 mpg Competition; 27.7 mpg CS	WLTP combined (model range): 26.9–28.1 mpg (Carrera), 26.0–27.0 (Carrera T), 26.4–27.7 (Carrera S), 25.8–27.1 (Carrera 4S), 25.9–27.1 (GTS), 20.5–20.7 (GT3), 24.1–24.6 mpg (Turbo S)
CO2 emissions
CO2 emissions	230–233 g/km Competition, 232 g/km CS; WLTP combined	–
Practicality
Body
Body	Coupé	Coupé
Seats
Seats	4	4
Boot
Boot	440 litres (better)	135 litres
Length
Length	4,801 mm	4,542 mm
Width
Width	1,887 mm	1,852 mm
Weight
Weight	–	From 1,565 kg
Boot
Boot	440 litres	135-litre front boot (128 litres Turbo S); 261 litres behind the front seats with the rear seats folded
Size
Size	4,801 mm long, 1,887 mm wide (1,918 mm CS; 2,081 mm with mirrors), 1,398 mm high (1,399 mm CS); 2,857 mm wheelbase; EC unladen weight including a 75 kg driver is 1,860 kg (Competition) or 1,835 kg (CS)	4,542 mm long (4,553 mm GTS, 4,551 mm Turbo S, 4,570 mm GT3), 1,852 mm wide (1,900 mm Turbo S); EC unladen weight 1,565 kg (Carrera T) to 1,800 kg (Turbo S). Cabriolet and Targa versions are also sold