Car comparison

BMW 8 Series (G15) 840ivsBMW 2 Series Gran Coupe (F44) M235i

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
VS

BMW 2 Series Gran Coupe (F44)

M235i

306 hp1998 ccGasolineAWDAutomaticTurbochargedCoupe2019-2020

Comparison overview

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

Best choices

BMW 2 Series Gran Coupe (F44) M235i

  • Lightest
    1,570 kg
    3,461 lb
  • Best power-to-weight
    195 hp/t
    145 kW/t
    5.1 kg/hp
  • Lowest combined fuel consumption
    7.1 L/100 km
    33.1 mpg US
    39.8 mpg UK
  • Lowest city consumption
    8.6 L/100 km
    27.4 mpg US
    32.8 mpg UK
  • Lowest highway consumption
    6.3 L/100 km
    37.3 mpg US
    44.8 mpg UK
  • Largest trunk
    430 L
  • Best overall score
    67/100
  • Best economy score
    88/100
  • Best practicality score
    63/100

BMW 8 Series (G15) 840i

  • Quickest 0-100 km/h
    4.7 s
  • 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
  • Best estimated range
    883 km
    549 mi
  • Best performance score
    72/100

Specification comparison

Specification comparison
ModelBMW8 Series (G15)840iBMW2 Series Gran Coupe (F44)M235i
Power
340hp254kW
306hp228kW
Torque
500Nm369lb-ft
450Nm332lb-ft
Curb weight
1,770kg3,902lb
1,570kg3,461lb
Gross weight
2,280kg5,027lb
2,105kg4,641lb
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
66.3s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.7s
4.9s
0-200 km/h
16.7s
Calculated
17.6s
Calculated
0-60 mph
4.5s
Calculated
4.7s
Calculated
Fuel consumption
7.7L/100 km30.5mpg US36.7mpg UK
7.1L/100 km33.1mpg US39.8mpg UK
Fuel consumption city
9.6L/100 km24.5mpg US29.4mpg UK
8.6L/100 km27.4mpg US32.8mpg UK
Fuel consumption highway
6.5L/100 km36.2mpg US43.5mpg UK
6.3L/100 km37.3mpg US44.8mpg UK
Quarter mile
12.8s
Calculated
13.0s
Calculated
Power-to-weight
192hp/t143kW/t87hp/1000 lb
Calculated
195hp/t145kW/t88hp/1000 lb
Calculated
Torque-to-weight
282Nm/t189lb-ft/ton
Calculated
287Nm/t192lb-ft/ton
Calculated
Estimated range
883km549mi
Calculated
704km438mi
Calculated
Displacement
2,998cc183cu in
1,998cc122cu in
Length
4,843mm191in
4,526mm178in
Width
1,902mm75in
1,800mm71in
Height
1,341mm53in
1,420mm56in
Wheelbase
2,822mm111in
2,670mm105in
Front track
1,627mm64in
1,563mm62in
Rear track
1,642mm65in
1,560mm61in
Ground clearance
121mm5in
152mm6in
Trunk volume
420L
430L
Doors
2
4
Seats
4
5
Fuel tank
68L
50L
CO2 emissions-
162g/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 Gran Coupe (F44) M235iPowerTorque
  • BMW 8 Series (G15) 840i: Power / Torque
  • BMW 2 Series Gran Coupe (F44) M235i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW8 Series (G15)840i5,000-6,500 rpm1,600-4,500 rpm6,750 rpm
BMW2 Series Gran Coupe (F44)M235i5,000-6,250 rpm1,750-4,500 rpm6,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW8 Series (G15)840iBMW2 Series Gran Coupe (F44)M235i
Acceleration checkpoints
0-60 mph
0-97 km/h
4.5 s
4.7 s
0-100 km/h
0-62 mph
4.7 s
4.9 s
0-200 km/h
0-124 mph
16.7 s
17.6 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
2.1 s
330 ft
101 m
5.6 s
5.7 s
1/8 mile
201 m
8.4 s
8.5 s
1000 ft
305 m
10.8 s
11.0 s
1/4 mile
402 m
12.8 s
13.0 s
Trap speed
1/4 mile
402 m
179 km/h
111 mph
176 km/h
109 mph

Power comparison

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

Chart data table
VehicleValue
BMW8 Series (G15)840i
340 hp
254 kW
BMW2 Series Gran Coupe (F44)M235i
306 hp
228 kW

BMW 8 Series (G15) 840i has 34 hp more than BMW 2 Series Gran Coupe (F44) M235i.

The biggest power difference is between BMW 2 Series Gran Coupe (F44) M235i and BMW 8 Series (G15) 840i: 34 hp (25 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW8 Series (G15)840i
500 Nm
369 lb-ft
BMW2 Series Gran Coupe (F44)M235i
450 Nm
332 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW8 Series (G15)840i
1,770 kg
3,902 lb
BMW2 Series Gran Coupe (F44)M235i
1,570 kg
3,461 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMW8 Series (G15)840i
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW2 Series Gran Coupe (F44)M235i
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
VehicleValue
BMW8 Series (G15)840i4.7 s
BMW2 Series Gran Coupe (F44)M235i4.9 s

The biggest 0-100 km/h difference is between BMW 8 Series (G15) 840i and BMW 2 Series Gran Coupe (F44) M235i: 0.2 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
BMW8 Series (G15)840i
7.7 L/100 km
30.5 mpg US
36.7 mpg UK
BMW2 Series Gran Coupe (F44)M235i
7.1 L/100 km
33.1 mpg US
39.8 mpg UK

The biggest fuel consumption difference is between BMW 2 Series Gran Coupe (F44) M235i and BMW 8 Series (G15) 840i: 0.6 L/100 km.

Power-to-weight comparison

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

Chart data table
VehicleValue
BMW8 Series (G15)840i
192 hp/t
143 kW/t
5.2 kg/hp
BMW2 Series Gran Coupe (F44)M235i
195 hp/t
145 kW/t
5.1 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW8 Series (G15)840i
883 km
549 mi
BMW2 Series Gran Coupe (F44)M235i
704 km
438 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW8 Series (G15)840i
340 hp
254 kW
4.7 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW2 Series Gran Coupe (F44)M235i
306 hp
228 kW
4.9 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.

Chart data table
VehiclePerformance scorePracticality score
BMW8 Series (G15)840i
Power
340 hp
254 kW
0-100 km/h4.7 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 Gran Coupe (F44)M235i
Power
306 hp
228 kW
0-100 km/h4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
430 L
15.2 cu ft
Length
4,526 mm
178.2 in
Height
1,420 mm
55.9 in

Performance vs fuel economy

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

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
BMW8 Series (G15)840i
Power
340 hp
254 kW
0-100 km/h4.7 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 Gran Coupe (F44)M235i
Power
306 hp
228 kW
0-100 km/h4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.1 L/100 km
33.1 mpg US
39.8 mpg UK

BMW 8 Series (G15) 840i 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
VehicleFuel consumption, L/100 km0-100 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 Gran Coupe (F44)M235i
7.1 L/100 km
33.1 mpg US
39.8 mpg UK
4.9 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
VehiclePower-to-weight, hp/tFuel 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 Gran Coupe (F44)M235i
195 hp/t
145 kW/t
5.1 kg/hp
7.1 L/100 km
33.1 mpg US
39.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW8 Series (G15)840iBMW2 Series Gran Coupe (F44)M235i
Power
340 hp
254 kW
306 hp
228 kW
Torque
500 Nm
369 lb-ft
450 Nm
332 lb-ft
Acceleration
4.7 s
4.9 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
1,570 kg
3,461 lb
Fuel consumption
7.7 L/100 km
30.5 mpg US
36.7 mpg UK
7.1 L/100 km
33.1 mpg US
39.8 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
4 doors
5 seats
Trunk
430 L
15.2 cu ft
Length
4,526 mm
178.2 in
Height
1,420 mm
55.9 in
Range score
883 km
549 mi
704 km
438 mi
CO2 score
-
162 g/km
Trunk score
420 L
14.8 cu ft
430 L
15.2 cu ft
Power-to-weight score
192 hp/t
143 kW/t
5.2 kg/hp
195 hp/t
145 kW/t
5.1 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

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

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
VehicleBMW 8 Series (G15) 840iBMW 2 Series Gran Coupe (F44) M235i
Consumption7.7 L/100 km30.5 mpg US36.7 mpg UK7.1 L/100 km33.1 mpg US39.8 mpg UK
Cost / 100 km13.48 LC100 km12.42 LC100 km
Cost / 100 mi21.69 LC100 mi20.00 LC100 mi
Annual fuel used1,155 L305 US gal254 UK gal1,065 L281 US gal234 UK gal
Annual fuel cost2,021 LC/year1,864 LC/year

Head-to-head comparisons

BMW 8 Series (G15) 840i

  • Has 34 hp more
  • Has 50 Nm more
  • Is 0.2 s quicker from 0-100 km/h
  • Has 5 km/h (3 mph) higher top speed
  • Has 179 km (111 mi) more estimated range

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Best estimated range

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk

BMW 2 Series Gran Coupe (F44) M235i

  • Is 200 kg lighter
  • Uses 0.6 L/100 km less fuel
  • Has 3 hp/t better power-to-weight
  • Has 10 L more trunk volume

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 8 Series (G15) 840i
BMW 2 Series Gran Coupe (F44) M235i
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BMW 8 Series (G15) 840i vs BMW 2 Series Gran Coupe (F44) M235i - car comparison - FastVsFaster