Car comparison

BMW 4 Series Coupe (G22) M440dvsBMW 8 Series Gran Coupe (G16) 840i

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

BMW 4 Series Coupe (G22)

M440d

340 hp2993 ccDieselAWDAutomaticTurbochargedCoupe2021-2024

BMW 8 Series Gran Coupe (G16)

840i

340 hp2998 ccGasolineRWDAutomaticTurbochargedCoupe2019-2020

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

BMW 4 Series Coupe (G22) M440d

Quickest 0-100 km/h
4.6 s
Fastest top speed
265 km/h
165 mph Unrestricted
250 km/h
155 mph Restricted
Most powerful
340 hp
254 kW
Highest torque
700 Nm
516 lb-ft
Lowest combined fuel consumption
5.7 L/100 km
41.3 mpg US
49.6 mpg UK
Lowest city consumption
7.5 L/100 km
31.4 mpg US
37.7 mpg UK
Lowest highway consumption
4.7 L/100 km
50.0 mpg US
60.1 mpg UK
Best estimated range
1,035 km
643 mi
Largest trunk
440 L
Best overall score
69/100
Best performance score
76/100
Best economy score
91/100

BMW 8 Series Gran Coupe (G16) 840i

Lightest
1,800 kg
3,968 lb
Best power-to-weight
189 hp/t
141 kW/t
5.3 kg/hp
Best practicality score
67/100

Specification comparison

Specification comparison
Model	BMW4 Series Coupe (G22)M440d	BMW8 Series Gran Coupe (G16)840i
Power	340hp254kW	340hp254kW
Torque	700Nm516lb-ft	500Nm369lb-ft
Curb weight	1,830kg4,034lb	1,800kg3,968lb
Gross weight	2,340kg5,159lb	2,435kg5,368lb
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	64.9s99% target: 262 km/h / 163 mph Calculated	75.6s99% target: 262 km/h / 163 mph Calculated
0-100 km/h	4.6s	5.2s
0-200 km/h	16.3s Calculated	18.7s Calculated
0-60 mph	4.4s Calculated	4.9s Calculated
Fuel consumption	5.7L/100 km41.3mpg US49.6mpg UK	7.5L/100 km31.4mpg US37.7mpg UK
Fuel consumption city	7.5L/100 km31.4mpg US37.7mpg UK	9.3L/100 km25.3mpg US30.4mpg UK
Fuel consumption highway	4.7L/100 km50mpg US60.1mpg UK	6.5L/100 km36.2mpg US43.5mpg UK
Quarter mile	12.7s Calculated	13.3s Calculated
Power-to-weight	186hp/t139kW/t84hp/1000 lb Calculated	189hp/t141kW/t86hp/1000 lb Calculated
Torque-to-weight	383Nm/t256lb-ft/ton Calculated	278Nm/t186lb-ft/ton Calculated
Estimated range	1,035km643mi Calculated	907km563mi Calculated
Displacement	2,993cc183cu in	2,998cc183cu in
Length	4,770mm188in	5,082mm200in
Width	1,852mm73in	1,932mm76in
Height	1,393mm55in	1,407mm55in
Wheelbase	2,851mm112in	3,023mm119in
Front track	1,575mm62in	1,627mm64in
Rear track	1,611mm63in	1,671mm66in
Ground clearance	129mm5in	-
Trunk volume	440L	-
Max trunk volume	-	440L
Doors	2	4
Seats	4	5
Fuel tank	59L	68L
CO2 emissions	-	170g/km

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

BMW 4 Series Coupe (G22) M440dBMW 8 Series Gran Coupe (G16) 840iPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW4 Series Coupe (G22)M440d	4,400 rpm	1,750-2,250 rpm	4,650 rpm
BMW8 Series Gran Coupe (G16)840i	5,000-6,500 rpm	1,600-4,500 rpm	6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BMW4 Series Coupe (G22)M440d	BMW8 Series Gran Coupe (G16)840i
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.4 s	4.9 s
0-100 km/h 0-62 mph	4.6 s	5.2 s
0-200 km/h 0-124 mph	16.3 s	18.7 s
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Limited	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Likely limited
	Drag race simulation
60 ft 18 m	2.1 s	2.2 s
330 ft 101 m	5.5 s	5.8 s
1/8 mile 201 m	8.3 s	8.7 s
1000 ft 305 m	10.7 s	11.2 s
1/4 mile 402 m	12.7 s	13.3 s
Trap speed 1/4 mile 402 m	180 km/h 112 mph	173 km/h 107 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
Vehicle	Value
BMW4 Series Coupe (G22)M440d	340 hp 254 kW
BMW8 Series Gran Coupe (G16)840i	340 hp 254 kW

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
Vehicle	Value
BMW4 Series Coupe (G22)M440d	700 Nm 516 lb-ft
BMW8 Series Gran Coupe (G16)840i	500 Nm 369 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
Vehicle	Value
BMW4 Series Coupe (G22)M440d	1,830 kg 4,034 lb
BMW8 Series Gran Coupe (G16)840i	1,800 kg 3,968 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
Vehicle	Value
BMW4 Series Coupe (G22)M440d	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph
BMW8 Series Gran Coupe (G16)840i	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
Vehicle	Value
BMW4 Series Coupe (G22)M440d	4.6 s
BMW8 Series Gran Coupe (G16)840i	5.2 s

The biggest 0-100 km/h difference is between BMW 4 Series Coupe (G22) M440d and BMW 8 Series Gran Coupe (G16) 840i: 0.6 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
Vehicle	Value
BMW4 Series Coupe (G22)M440d	5.7 L/100 km 41.3 mpg US 49.6 mpg UK
BMW8 Series Gran Coupe (G16)840i	7.5 L/100 km 31.4 mpg US 37.7 mpg UK

The biggest fuel consumption difference is between BMW 4 Series Coupe (G22) M440d and BMW 8 Series Gran Coupe (G16) 840i: 1.8 L/100 km.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
Vehicle	Value
BMW4 Series Coupe (G22)M440d	186 hp/t 139 kW/t 5.4 kg/hp
BMW8 Series Gran Coupe (G16)840i	189 hp/t 141 kW/t 5.3 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
Vehicle	Value
BMW4 Series Coupe (G22)M440d	1,035 km 643 mi
BMW8 Series Gran Coupe (G16)840i	907 km 563 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BMW4 Series Coupe (G22)M440d	340 hp 254 kW	4.6 s	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph
BMW8 Series Gran Coupe (G16)840i	340 hp 254 kW	5.2 s	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Vehicle

Performance score

Practicality score

BMW4 Series Coupe (G22)M440d

Power	340 hp 254 kW
0-100 km/h	4.6 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

Doors/seats	2 doors 4 seats
Trunk	440 L 15.5 cu ft
Length	4,770 mm 187.8 in
Height	1,393 mm 54.8 in

BMW8 Series Gran Coupe (G16)840i

Power	340 hp 254 kW
0-100 km/h	5.2 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

Doors/seats	4 doors 5 seats
Trunk	440 L 15.5 cu ft
Length	5,082 mm 200.1 in
Height	1,407 mm 55.4 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Vehicle

Performance score

Fuel economy score

BMW4 Series Coupe (G22)M440d

Power	340 hp 254 kW
0-100 km/h	4.6 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

5.7 L/100 km

41.3 mpg US

49.6 mpg UK

BMW8 Series Gran Coupe (G16)840i

Power	340 hp 254 kW
0-100 km/h	5.2 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

7.5 L/100 km

31.4 mpg US

37.7 mpg UK

BMW 4 Series Coupe (G22) M440d is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
BMW4 Series Coupe (G22)M440d	5.7 L/100 km 41.3 mpg US 49.6 mpg UK	4.6 s
BMW8 Series Gran Coupe (G16)840i	7.5 L/100 km 31.4 mpg US 37.7 mpg UK	5.2 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
BMW4 Series Coupe (G22)M440d	186 hp/t 139 kW/t 5.4 kg/hp	5.7 L/100 km 41.3 mpg US 49.6 mpg UK
BMW8 Series Gran Coupe (G16)840i	189 hp/t 141 kW/t 5.3 kg/hp	7.5 L/100 km 31.4 mpg US 37.7 mpg UK

Detailed score breakdown

Vehicle

BMW4 Series Coupe (G22)M440d

BMW8 Series Gran Coupe (G16)840i

Power

340 hp

254 kW

340 hp

254 kW

Torque

700 Nm

516 lb-ft

500 Nm

369 lb-ft

Acceleration

4.6 s

5.2 s

Top speed

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

Lightness

1,830 kg

4,034 lb

1,800 kg

3,968 lb

Fuel consumption

5.7 L/100 km

41.3 mpg US

49.6 mpg UK

7.5 L/100 km

31.4 mpg US

37.7 mpg UK

Practicality

Doors/seats	2 doors 4 seats
Trunk	440 L 15.5 cu ft
Length	4,770 mm 187.8 in
Height	1,393 mm 54.8 in

Doors/seats	4 doors 5 seats
Trunk	440 L 15.5 cu ft
Length	5,082 mm 200.1 in
Height	1,407 mm 55.4 in

Range score

1,035 km

643 mi

907 km

563 mi

CO2 score

170 g/km

Trunk score

440 L

15.5 cu ft

440 L

15.5 cu ft

Power-to-weight score

186 hp/t

139 kW/t

5.4 kg/hp

189 hp/t

141 kW/t

5.3 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
Vehicle	BMW 4 Series Coupe (G22) M440d	BMW 8 Series Gran Coupe (G16) 840i
Consumption	5.7 L/100 km41.3 mpg US49.6 mpg UK	7.5 L/100 km31.4 mpg US37.7 mpg UK
Cost / 100 km	9.98 LC100 km	13.13 LC100 km
Cost / 100 mi	16.05 LC100 mi	21.12 LC100 mi
Annual fuel used	855 L226 US gal188 UK gal	1,125 L297 US gal247 UK gal
Annual fuel cost	1,496 LC/year	1,969 LC/year