BMW 4 Series Coupé vs BMW 4 Series Gran Coupé

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4 Series Coupé compared with 4 Series Gran Coupé

	BMW4 Series Coupé	BMW4 Series Gran Coupé
Overview
Released
Released	October 2020	November 2021
Performance
Powertrain
Powertrain	Petrol, Mild hybrid	Petrol, Mild hybrid
Power
Power	181–386 bhp	181–386 bhp
0–62 mph
0–62 mph	4.4–7.5 s (better)	4.6–7.9 s
Top speed
Top speed	149–155 mph	146–155 mph
Engine or motors
Engine or motors	420i: 1,998 cc four-cylinder turbo petrol, 135 kW (184 hp); M440i xDrive: 2,998 cc six-cylinder turbo petrol with 48 V mild hybrid, 288 kW (392 hp); bhp converted from BMW's kW figures	420i: 1,998 cc four-cylinder turbo petrol, 135 kW (184 hp); current M440i xDrive and Black Edition: 2,998 cc six-cylinder turbo petrol with 48 V mild hybrid, 288 kW (392 hp) total output; bhp converted from BMW's kW figures
Torque
Torque	300 Nm (420i), 540 Nm (M440i xDrive)	300 Nm (420i), 540 Nm (current M440i xDrive and Black Edition)
Gearbox
Gearbox	8-speed automatic	8-speed automatic
Drive
Drive	Rear-wheel drive (420i) or all-wheel drive (M440i xDrive)	Rear-wheel drive (420i) or all-wheel drive (M440i xDrive)
Range and charging
Economy (WLTP)
Economy (WLTP)	39.8–44.8 mpg (better)	38.7–42.2 mpg
Efficiency
Efficiency	WLTP combined: 42.8–44.8 mpg (420i, depending on trim), 36.7–39.8 mpg (M440i xDrive)	WLTP combined: 40.4–42.2 mpg (420i), 37.7–38.7 mpg (current M440i xDrive); Black Edition figure omitted because BMW's table does not give credible consumption
CO2 emissions
CO2 emissions	144–149 g/km (420i), 162–174 g/km (M440i xDrive), WLTP combined	152–159 g/km (420i), 166–171 g/km (current M440i xDrive), WLTP combined; Black Edition figure omitted because BMW's table conflicts
Practicality
Body
Body	Coupé	Hatchback
Seats
Seats	4	5 (better)
Boot
Boot	440 litres	470 litres (better)
Length
Length	4,768 mm	4,783 mm
Width
Width	1,852 mm	1,852 mm
Boot
Boot	440 litres	470 litres, 1,290 litres with the rear seats folded; opens with a hatchback tailgate
Towing
Towing	Up to 1,600 kg braked (420i), 1,800 kg (M440i xDrive)	Up to 1,600 kg braked (420i), 1,800 kg (M440i xDrive)
Size
Size	4,768 mm long (4,770 mm M440i), 1,852 mm wide (2,081 mm with mirrors), 1,383 mm high (1,393 mm M440i); 2,851 mm wheelbase; EC unladen weight including a 75 kg driver is 1,600 kg (420i) or 1,845 kg (current M440i xDrive)	4,783 mm long, 1,852 mm wide (2,073 mm with mirrors), 1,442–1,448 mm high; 2,856 mm wheelbase; EC unladen weight including a 75 kg driver is 1,695 kg (420i) or 1,935 kg (current M440i xDrive and Black Edition)