Car comparison

BMW 8 Series (G15) M850ivsBMW M4 (F82) Competition 3.0

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

New comparison

BMW 8 Series (G15)

M850i

530 hp4395 ccGasolineAWDAutomaticTurbochargedCoupe2018-2020
VS

BMW M4 (F82)

Competition 3.0

450 hp2979 ccGasolineRWDManualTurbochargedCoupe2016-2020

Comparison overview

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

Best choices

BMW M4 (F82) Competition 3.0

  • Lightest
    1,515 kg
    3,340 lb
  • Best power-to-weight
    297 hp/t
    221 kW/t
    3.4 kg/hp
  • Lowest combined fuel consumption
    8.8 L/100 km
    26.7 mpg US
    32.1 mpg UK
  • Lowest CO2 emissions
    204 g/km
  • Best estimated range
    682 km
    424 mi
  • Largest trunk
    445 L
  • Best economy score
    83/100
  • Best practicality score
    53/100

BMW 8 Series (G15) M850i

  • Quickest 0-100 km/h
    3.7 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    530 hp
    395 kW
  • Highest torque
    750 Nm
    553 lb-ft
  • Best overall score
    75/100
  • Best performance score
    86/100

Specification comparison

Specification comparison
ModelBMW8 Series (G15)M850iBMWM4 (F82)Competition 3.0
Power
530hp395kW
450hp336kW
Torque
750Nm553lb-ft
550Nm406lb-ft
Curb weight
1,890kg4,167lb
1,515kg3,340lb
Gross weight
2,395kg5,280lb
2,040kg4,497lb
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
48.6s99% target: 262 km/h / 163 mph
Calculated
53.3s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
3.7s
4.2s
0-200 km/h
12.7s
Calculated
14.2s
Calculated
0-60 mph
3.5s
Calculated
4.0s
Calculated
Fuel consumption
10.5L/100 km22.4mpg US26.9mpg UK
8.8L/100 km26.7mpg US32.1mpg UK
Fuel consumption city-
12L/100 km19.6mpg US23.5mpg UK
Fuel consumption highway-
6.9L/100 km34.1mpg US40.9mpg UK
Quarter mile
11.7s
Calculated
12.2s
Calculated
Power-to-weight
280hp/t209kW/t127hp/1000 lb
Calculated
297hp/t221kW/t135hp/1000 lb
Calculated
Torque-to-weight
397Nm/t266lb-ft/ton
Calculated
363Nm/t243lb-ft/ton
Calculated
Estimated range
648km402mi
Calculated
682km424mi
Calculated
Displacement
4,395cc268cu in
2,979cc182cu in
Length
4,851mm191in
4,671mm184in
Width
1,902mm75in
1,870mm74in
Height
1,346mm53in
1,392mm55in
Wheelbase
2,822mm111in
2,812mm111in
Front track
1,627mm64in
1,579mm62in
Rear track
1,642mm65in
1,604mm63in
Ground clearance
128mm5in
121mm5in
Trunk volume
420L
445L
Doors
2
2
Seats
4
4
Fuel tank
68L
60L
CO2 emissions
240g/km
204g/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) M850iBMW M4 (F82) Competition 3.0PowerTorque
  • BMW 8 Series (G15) M850i: Power / Torque
  • BMW M4 (F82) Competition 3.0: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW8 Series (G15)M850i5,500-6,000 rpm1,800-4,600 rpm6,250 rpm
BMWM4 (F82)Competition 3.07,000 rpm1,850-5,500 rpm7,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW8 Series (G15)M850iBMWM4 (F82)Competition 3.0
Acceleration checkpoints
0-60 mph
0-97 km/h
3.5 s
4.0 s
0-100 km/h
0-62 mph
3.7 s
4.2 s
0-200 km/h
0-124 mph
12.7 s
14.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
1.9 s
2.0 s
330 ft
101 m
5.1 s
5.3 s
1/8 mile
201 m
7.6 s
8.0 s
1000 ft
305 m
9.8 s
10.3 s
1/4 mile
402 m
11.7 s
12.2 s
Trap speed
1/4 mile
402 m
194 km/h
120 mph
188 km/h
117 mph

Power comparison

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

Chart data table
VehicleValue
BMW8 Series (G15)M850i
530 hp
395 kW
BMWM4 (F82)Competition 3.0
450 hp
336 kW

BMW 8 Series (G15) M850i has 80 hp more than BMW M4 (F82) Competition 3.0.

The biggest power difference is between BMW M4 (F82) Competition 3.0 and BMW 8 Series (G15) M850i: 80 hp (60 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW8 Series (G15)M850i
750 Nm
553 lb-ft
BMWM4 (F82)Competition 3.0
550 Nm
406 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW8 Series (G15)M850i
1,890 kg
4,167 lb
BMWM4 (F82)Competition 3.0
1,515 kg
3,340 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)M850i
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMWM4 (F82)Competition 3.0
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
VehicleValue
BMW8 Series (G15)M850i3.7 s
BMWM4 (F82)Competition 3.04.2 s

The biggest 0-100 km/h difference is between BMW 8 Series (G15) M850i and BMW M4 (F82) Competition 3.0: 0.5 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)M850i
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
BMWM4 (F82)Competition 3.0
8.8 L/100 km
26.7 mpg US
32.1 mpg UK

The biggest fuel consumption difference is between BMW M4 (F82) Competition 3.0 and BMW 8 Series (G15) M850i: 1.7 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)M850i
280 hp/t
209 kW/t
3.6 kg/hp
BMWM4 (F82)Competition 3.0
297 hp/t
221 kW/t
3.4 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW8 Series (G15)M850i
648 km
402 mi
BMWM4 (F82)Competition 3.0
682 km
424 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW8 Series (G15)M850i
530 hp
395 kW
3.7 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMWM4 (F82)Competition 3.0
450 hp
336 kW
4.2 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.

Chart data table
VehiclePerformance scorePracticality score
BMW8 Series (G15)M850i
Power
530 hp
395 kW
0-100 km/h3.7 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
4,851 mm
191.0 in
Height
1,346 mm
53.0 in
BMWM4 (F82)Competition 3.0
Power
450 hp
336 kW
0-100 km/h4.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
445 L
15.7 cu ft
Length
4,671 mm
183.9 in
Height
1,392 mm
54.8 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)M850i
Power
530 hp
395 kW
0-100 km/h3.7 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
BMWM4 (F82)Competition 3.0
Power
450 hp
336 kW
0-100 km/h4.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
8.8 L/100 km
26.7 mpg US
32.1 mpg UK

BMW 8 Series (G15) M850i 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)M850i
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
3.7 s
BMWM4 (F82)Competition 3.0
8.8 L/100 km
26.7 mpg US
32.1 mpg UK
4.2 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
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
BMW8 Series (G15)M850i
280 hp/t
209 kW/t
3.6 kg/hp
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
BMWM4 (F82)Competition 3.0
297 hp/t
221 kW/t
3.4 kg/hp
8.8 L/100 km
26.7 mpg US
32.1 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW8 Series (G15)M850iBMWM4 (F82)Competition 3.0
Power
530 hp
395 kW
450 hp
336 kW
Torque
750 Nm
553 lb-ft
550 Nm
406 lb-ft
Acceleration
3.7 s
4.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,890 kg
4,167 lb
1,515 kg
3,340 lb
Fuel consumption
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
8.8 L/100 km
26.7 mpg US
32.1 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
420 L
14.8 cu ft
Length
4,851 mm
191.0 in
Height
1,346 mm
53.0 in
Doors/seats
2 doors
4 seats
Trunk
445 L
15.7 cu ft
Length
4,671 mm
183.9 in
Height
1,392 mm
54.8 in
Range score
648 km
402 mi
682 km
424 mi
CO2 score
240 g/km
204 g/km
Trunk score
420 L
14.8 cu ft
445 L
15.7 cu ft
Power-to-weight score
280 hp/t
209 kW/t
3.6 kg/hp
297 hp/t
221 kW/t
3.4 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) M850iBMW M4 (F82) Competition 3.0
Consumption10.5 L/100 km22.4 mpg US26.9 mpg UK8.8 L/100 km26.7 mpg US32.1 mpg UK
Cost / 100 km18.38 LC100 km15.40 LC100 km
Cost / 100 mi29.57 LC100 mi24.78 LC100 mi
Annual fuel used1,575 L416 US gal346 UK gal1,320 L349 US gal290 UK gal
Annual fuel cost2,756 LC/year2,310 LC/year

Head-to-head comparisons

BMW 8 Series (G15) M850i

  • Has 80 hp more
  • Has 200 Nm more
  • Is 0.5 s quicker from 0-100 km/h

Pros

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

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk
  • Highest CO2 emissions

BMW M4 (F82) Competition 3.0

  • Is 375 kg lighter
  • Uses 1.7 L/100 km less fuel
  • Has 17 hp/t better power-to-weight
  • Has 34 km (21 mi) more estimated range
  • Has 25 L more trunk volume
  • Emits 36 g/km less CO2

Pros

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

Cons

  • Slowest 0-100 km/h
  • Lowest power

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 8 Series (G15) M850i
BMW M4 (F82) Competition 3.0
Compare selected cars
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