Car comparison

BMW 8 Series (G15) 840ivsBMW 2 Series Coupe (F22) M240i

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

New comparison

BMW 8 Series (G15)

840i

340 hp2998 ccGasolineAWDAutomaticTurbochargedCoupe2019-2020

BMW 2 Series Coupe (F22)

M240i

340 hp2998 ccGasolineAWDAutomaticTurbochargedCoupe2016-2017

Comparison overview

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

BMW 8 Series (G15) 840i

Fastest top speed
265 km/h
165 mph Unrestricted
250 km/h
155 mph Restricted
Most powerful
340 hp
254 kW
Highest torque
500 Nm
369 lb-ft
Lowest city consumption
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
Best estimated range
883 km
549 mi
Largest trunk
420 L
Best overall score
66/100
Best performance score
72/100
Best practicality score
52/100

BMW 2 Series Coupe (F22) M240i

Quickest 0-100 km/h
4.4 s
Lightest
1,540 kg
3,395 lb
Best power-to-weight
221 hp/t
165 kW/t
4.5 kg/hp
Lowest combined fuel consumption
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
Lowest highway consumption
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
Best economy score
87/100

Specification comparison

Specification comparison
Model	BMW8 Series (G15)840i	BMW2 Series Coupe (F22)M240i
Power	340hp254kW	340hp254kW
Torque	500Nm369lb-ft	500Nm369lb-ft
Curb weight	1,770kg3,902lb	1,540kg3,395lb
Gross weight	2,280kg5,027lb	2,050kg4,519lb
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	66.9s99% target: 262 km/h / 163 mph Calculated	59.8s99% target: 257 km/h / 160 mph Calculated
0-100 km/h	4.7s	4.4s
0-200 km/h	16.7s Calculated	15.9s Calculated
0-60 mph	4.5s Calculated	4.2s Calculated
Fuel consumption	7.7L/100 km30.5mpg US36.7mpg UK	7.4L/100 km31.8mpg US38.2mpg UK
Fuel consumption city	9.6L/100 km24.5mpg US29.4mpg UK	9.8L/100 km24mpg US28.8mpg UK
Fuel consumption highway	6.5L/100 km36.2mpg US43.5mpg UK	6L/100 km39.2mpg US47.1mpg UK
Quarter mile	12.8s Calculated	12.5s Calculated
Power-to-weight	192hp/t143kW/t87hp/1000 lb Calculated	221hp/t165kW/t100hp/1000 lb Calculated
Torque-to-weight	282Nm/t189lb-ft/ton Calculated	325Nm/t217lb-ft/ton Calculated
Estimated range	883km549mi Calculated	703km437mi Calculated
Displacement	2,998cc183cu in	2,998cc183cu in
Length	4,843mm191in	4,454mm175in
Width	1,902mm75in	1,774mm70in
Height	1,341mm53in	1,408mm55in
Wheelbase	2,822mm111in	2,690mm106in
Front track	1,627mm64in	1,516mm60in
Rear track	1,642mm65in	1,534mm60in
Ground clearance	121mm5in	130mm5in
Trunk volume	420L	390L
Doors	2	2
Seats	4	4
Fuel tank	68L	52L
CO2 emissions	-	169g/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 8 Series (G15) 840iBMW 2 Series Coupe (F22) M240iPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW8 Series (G15)840i	5,000-6,500 rpm	1,600-4,500 rpm	6,750 rpm
BMW2 Series Coupe (F22)M240i	5,500 rpm	1,520-4,500 rpm	5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BMW8 Series (G15)840i	BMW2 Series Coupe (F22)M240i
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.5 s	4.2 s
0-100 km/h 0-62 mph	4.7 s	4.4 s
0-200 km/h 0-124 mph	16.7 s	15.9 s
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Likely limited	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Likely limited
	Drag race simulation
60 ft 18 m	2.1 s	2.0 s
330 ft 101 m	5.6 s	5.4 s
1/8 mile 201 m	8.4 s	8.2 s
1000 ft 305 m	10.8 s	10.5 s
1/4 mile 402 m	12.8 s	12.5 s
Trap speed 1/4 mile 402 m	179 km/h 111 mph	182 km/h 113 mph

Power comparison

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

Chart data table
Vehicle	Value
BMW8 Series (G15)840i	340 hp 254 kW
BMW2 Series Coupe (F22)M240i	340 hp 254 kW

Torque comparison

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

Chart data table
Vehicle	Value
BMW8 Series (G15)840i	500 Nm 369 lb-ft
BMW2 Series Coupe (F22)M240i	500 Nm 369 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
BMW8 Series (G15)840i	1,770 kg 3,902 lb
BMW2 Series Coupe (F22)M240i	1,540 kg 3,395 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
BMW8 Series (G15)840i	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph
BMW2 Series Coupe (F22)M240i	Unrestricted 260 km/h162 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
BMW8 Series (G15)840i	4.7 s
BMW2 Series Coupe (F22)M240i	4.4 s

The biggest 0-100 km/h difference is between BMW 2 Series Coupe (F22) M240i and BMW 8 Series (G15) 840i: 0.3 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
BMW8 Series (G15)840i	7.7 L/100 km 30.5 mpg US 36.7 mpg UK
BMW2 Series Coupe (F22)M240i	7.4 L/100 km 31.8 mpg US 38.2 mpg UK

Power-to-weight comparison

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

Chart data table
Vehicle	Value
BMW8 Series (G15)840i	192 hp/t 143 kW/t 5.2 kg/hp
BMW2 Series Coupe (F22)M240i	221 hp/t 165 kW/t 4.5 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
BMW8 Series (G15)840i	883 km 549 mi
BMW2 Series Coupe (F22)M240i	703 km 437 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BMW8 Series (G15)840i	340 hp 254 kW	4.7 s	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph
BMW2 Series Coupe (F22)M240i	340 hp 254 kW	4.4 s	Unrestricted 260 km/h162 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

BMW8 Series (G15)840i

Power	340 hp 254 kW
0-100 km/h	4.7 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

Doors/seats	2 doors 4 seats
Trunk	420 L 14.8 cu ft
Length	4,843 mm 190.7 in
Height	1,341 mm 52.8 in

BMW2 Series Coupe (F22)M240i

Power	340 hp 254 kW
0-100 km/h	4.4 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Doors/seats	2 doors 4 seats
Trunk	390 L 13.8 cu ft
Length	4,454 mm 175.4 in
Height	1,408 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

BMW8 Series (G15)840i

Power	340 hp 254 kW
0-100 km/h	4.7 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

7.7 L/100 km

30.5 mpg US

36.7 mpg UK

BMW2 Series Coupe (F22)M240i

Power	340 hp 254 kW
0-100 km/h	4.4 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

7.4 L/100 km

31.8 mpg US

38.2 mpg UK

BMW 2 Series Coupe (F22) M240i 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
BMW8 Series (G15)840i	7.7 L/100 km 30.5 mpg US 36.7 mpg UK	4.7 s
BMW2 Series Coupe (F22)M240i	7.4 L/100 km 31.8 mpg US 38.2 mpg UK	4.4 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
BMW8 Series (G15)840i	192 hp/t 143 kW/t 5.2 kg/hp	7.7 L/100 km 30.5 mpg US 36.7 mpg UK
BMW2 Series Coupe (F22)M240i	221 hp/t 165 kW/t 4.5 kg/hp	7.4 L/100 km 31.8 mpg US 38.2 mpg UK

Detailed score breakdown

Vehicle

BMW8 Series (G15)840i

BMW2 Series Coupe (F22)M240i

Power

340 hp

254 kW

340 hp

254 kW

Torque

500 Nm

369 lb-ft

500 Nm

369 lb-ft

Acceleration

4.7 s

4.4 s

Top speed

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

Lightness

1,770 kg

3,902 lb

1,540 kg

3,395 lb

Fuel consumption

7.7 L/100 km

30.5 mpg US

36.7 mpg UK

7.4 L/100 km

31.8 mpg US

38.2 mpg UK

Practicality

Doors/seats	2 doors 4 seats
Trunk	420 L 14.8 cu ft
Length	4,843 mm 190.7 in
Height	1,341 mm 52.8 in

Doors/seats	2 doors 4 seats
Trunk	390 L 13.8 cu ft
Length	4,454 mm 175.4 in
Height	1,408 mm 55.4 in

Range score

883 km

549 mi

703 km

437 mi

CO2 score

169 g/km

Trunk score

420 L

14.8 cu ft

390 L

13.8 cu ft

Power-to-weight score

192 hp/t

143 kW/t

5.2 kg/hp

221 hp/t

165 kW/t

4.5 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 8 Series (G15) 840i	BMW 2 Series Coupe (F22) M240i
Consumption	7.7 L/100 km30.5 mpg US36.7 mpg UK	7.4 L/100 km31.8 mpg US38.2 mpg UK
Cost / 100 km	13.48 LC100 km	12.95 LC100 km
Cost / 100 mi	21.69 LC100 mi	20.84 LC100 mi
Annual fuel used	1,155 L305 US gal254 UK gal	1,110 L293 US gal244 UK gal
Annual fuel cost	2,021 LC/year	1,943 LC/year