Car comparison

BMW 8 Series (G15) M850i · Stage 2vsBMW 8 Series (G15) M850i · Stage 3vsBMW 8 Series (G15) M850i · Stage 1vsBMW 8 Series (G15) M850i

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

New comparison

BMW 8 Series (G15)

M850i (Stage 2)

689 hp4395 ccGasolineAWDAutomaticTurbochargedCoupe2018-2020
VS

BMW 8 Series (G15)

M850i (Stage 3)

795 hp4395 ccGasolineAWDAutomaticTurbochargedCoupe2018-2020
VS

BMW 8 Series (G15)

M850i (Stage 1)

625 hp4395 ccGasolineAWDAutomaticTurbochargedCoupe2018-2020
VS

BMW 8 Series (G15)

M850i

530 hp4395 ccGasolineAWDAutomaticTurbochargedCoupe2018-2020

Comparison overview

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

Best choices

BMW 8 Series (G15) M850i (Stage 2) 689 hp

  • Fastest top speed
    295 km/h
    183 mph Unrestricted
    280 km/h
    174 mph Restricted
  • Lightest
    1,890 kg
    4,167 lb
  • Lowest combined fuel consumption
    10.5 L/100 km
    22.4 mpg US
    26.9 mpg UK
  • Lowest CO2 emissions
    240 g/km
  • Best estimated range
    648 km
    402 mi
  • Largest trunk
    420 L
  • Best overall score
    79/100
  • Best performance score
    91/100
  • Best economy score
    79/100
  • Best practicality score
    52/100

Specification comparison

Specification comparison
ModelBMW8 Series (G15)M850i (Stage 2)689 hpBMW8 Series (G15)M850i (Stage 3)795 hpBMW8 Series (G15)M850i (Stage 1)625 hpBMW8 Series (G15)M850i530 hp
Power
689hp514kW+159 hp
795hp593kW+265 hp
625hp466kW+95 hp
530hp395kW
Torque
1,013Nm747lb-ft+263 Nm
1,163Nm857lb-ft+413 Nm
915Nm675lb-ft+165 Nm
750Nm553lb-ft
Curb weight
1,890kg4,167lb
1,890kg4,167lb
1,890kg4,167lb
1,890kg4,167lb
Gross weight
2,395kg5,280lb
2,395kg5,280lb
2,395kg5,280lb
2,395kg5,280lb
Top speed
Unrestricted
295 km/h183 mph
Restricted
280 km/h174 mph
+30 km/h
Calculated
292 km/h
181 mph
+27 km/h
273 km/h
170 mph
+8 km/h
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
43.0s99% target: 292 km/h / 181 mph-6.0 s
Calculated
36.0s99% target: 289 km/h / 180 mph-13.0 s
Calculated
43.0s99% target: 270 km/h / 168 mph-6.0 s
Calculated
49.0s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
3.1s-0.6 s
2.9s-0.8 s
3.3s-0.4 s
3.7s
0-200 km/h
9.4s-3.4 s
Calculated
8.4s-4.4 s
Calculated
10.8s-1.9 s
Calculated
12.7s
Calculated
0-60 mph
3.0s-0.5 s
Calculated
2.7s-0.8 s
Calculated
3.2s-0.3 s
Calculated
3.5s
Calculated
Fuel consumption
10.5L/100 km22.4mpg US26.9mpg UK
10.5L/100 km22.4mpg US26.9mpg UK
10.5L/100 km22.4mpg US26.9mpg UK
10.5L/100 km22.4mpg US26.9mpg UK
Quarter mile
10.8s-0.9 s
Calculated
10.4s-1.3 s
Calculated
11.2s-0.5 s
Calculated
11.7s
Calculated
Power-to-weight
365hp/t272kW/t165hp/1000 lb
Calculated
421hp/t314kW/t191hp/1000 lb
Calculated
331hp/t247kW/t150hp/1000 lb
Calculated
280hp/t209kW/t127hp/1000 lb
Calculated
Torque-to-weight
536Nm/t358lb-ft/ton
Calculated
615Nm/t412lb-ft/ton
Calculated
484Nm/t324lb-ft/ton
Calculated
397Nm/t266lb-ft/ton
Calculated
Estimated range
648km402mi
Calculated
648km402mi
Calculated
648km402mi
Calculated
648km402mi
Calculated
Displacement
4,395cc268cu in
4,395cc268cu in
4,395cc268cu in
4,395cc268cu in
Length
4,851mm191in
4,851mm191in
4,851mm191in
4,851mm191in
Width
1,902mm75in
1,902mm75in
1,902mm75in
1,902mm75in
Height
1,346mm53in
1,346mm53in
1,346mm53in
1,346mm53in
Wheelbase
2,822mm111in
2,822mm111in
2,822mm111in
2,822mm111in
Front track
1,627mm64in
1,627mm64in
1,627mm64in
1,627mm64in
Rear track
1,642mm65in
1,642mm65in
1,642mm65in
1,642mm65in
Ground clearance
128mm5in
128mm5in
128mm5in
128mm5in
Trunk volume
420L
420L
420L
420L
Doors
2
2
2
2
Seats
4
4
4
4
Fuel tank
68L
68L
68L
68L
CO2 emissions
240g/km
240g/km
240g/km
240g/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) M850i (Stage 2) 689 hpBMW 8 Series (G15) M850i (Stage 3) 795 hpBMW 8 Series (G15) M850i (Stage 1) 625 hpBMW 8 Series (G15) M850i 530 hpPowerTorque
  • BMW 8 Series (G15) M850i (Stage 2) 689 hp: Power / Torque
  • BMW 8 Series (G15) M850i (Stage 3) 795 hp: Power / Torque
  • BMW 8 Series (G15) M850i (Stage 1) 625 hp: Power / Torque
  • BMW 8 Series (G15) M850i 530 hp: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW8 Series (G15)M850i (Stage 2)689 hp5,500-6,000 rpm1,800-4,600 rpm6,250 rpm
BMW8 Series (G15)M850i (Stage 3)795 hp5,500-6,000 rpm1,800-4,600 rpm6,250 rpm
BMW8 Series (G15)M850i (Stage 1)625 hp5,500-6,000 rpm1,800-4,600 rpm6,250 rpm
BMW8 Series (G15)M850i530 hp5,500-6,000 rpm1,800-4,600 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW8 Series (G15)M850i (Stage 2)689 hpBMW8 Series (G15)M850i (Stage 3)795 hpBMW8 Series (G15)M850i (Stage 1)625 hpBMW8 Series (G15)M850i530 hp
Acceleration checkpoints
0-60 mph
0-97 km/h
3.0 s
2.7 s
3.2 s
3.5 s
0-100 km/h
0-62 mph
3.1 s
2.9 s
3.3 s
3.7 s
0-200 km/h
0-124 mph
9.4 s
8.4 s
10.8 s
12.7 s
Top speed
Unrestricted
295 km/h183 mph
Restricted
280 km/h174 mph
Likely limited
292 km/h
181 mph
273 km/h
170 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
1.8 s
1.8 s
1.9 s
1.9 s
330 ft
101 m
4.7 s
4.6 s
4.9 s
5.1 s
1/8 mile
201 m
7.1 s
6.8 s
7.3 s
7.6 s
1000 ft
305 m
9.1 s
8.8 s
9.4 s
9.8 s
1/4 mile
402 m
10.8 s
10.4 s
11.2 s
11.7 s
Trap speed
1/4 mile
402 m
214 km/h
133 mph
221 km/h
138 mph
203 km/h
126 mph
193 km/h
120 mph

Power comparison

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

Chart data table
VehicleValue
BMW8 Series (G15)M850i (Stage 2)689 hp
689 hp
514 kW
BMW8 Series (G15)M850i (Stage 3)795 hp
795 hp
593 kW
BMW8 Series (G15)M850i (Stage 1)625 hp
625 hp
466 kW
BMW8 Series (G15)M850i530 hp
530 hp
395 kW

BMW 8 Series (G15) M850i (Stage 3) 795 hp has 265 hp more than BMW 8 Series (G15) M850i 530 hp.

The biggest power difference is between BMW 8 Series (G15) M850i 530 hp and BMW 8 Series (G15) M850i (Stage 3) 795 hp: 265 hp (198 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW8 Series (G15)M850i (Stage 2)689 hp
1,013 Nm
747 lb-ft
BMW8 Series (G15)M850i (Stage 3)795 hp
1,163 Nm
857 lb-ft
BMW8 Series (G15)M850i (Stage 1)625 hp
915 Nm
675 lb-ft
BMW8 Series (G15)M850i530 hp
750 Nm
553 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW8 Series (G15)M850i (Stage 2)689 hp
1,890 kg
4,167 lb
BMW8 Series (G15)M850i (Stage 3)795 hp
1,890 kg
4,167 lb
BMW8 Series (G15)M850i (Stage 1)625 hp
1,890 kg
4,167 lb
BMW8 Series (G15)M850i530 hp
1,890 kg
4,167 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 (Stage 2)689 hp
Unrestricted
295 km/h183 mph
Restricted
280 km/h174 mph
BMW8 Series (G15)M850i (Stage 3)795 hp
292 km/h
181 mph
BMW8 Series (G15)M850i (Stage 1)625 hp
273 km/h
170 mph
BMW8 Series (G15)M850i530 hp
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)M850i (Stage 2)689 hp3.1 s
BMW8 Series (G15)M850i (Stage 3)795 hp2.9 s
BMW8 Series (G15)M850i (Stage 1)625 hp3.3 s
BMW8 Series (G15)M850i530 hp3.7 s

The biggest 0-100 km/h difference is between BMW 8 Series (G15) M850i (Stage 3) 795 hp and BMW 8 Series (G15) M850i 530 hp: 0.8 s.

The closest cars by acceleration are BMW 8 Series (G15) M850i (Stage 2) 689 hp and BMW 8 Series (G15) M850i (Stage 1) 625 hp, separated by only 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)M850i (Stage 2)689 hp
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
BMW8 Series (G15)M850i (Stage 3)795 hp
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
BMW8 Series (G15)M850i (Stage 1)625 hp
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
BMW8 Series (G15)M850i530 hp
10.5 L/100 km
22.4 mpg US
26.9 mpg UK

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 (Stage 2)689 hp
365 hp/t
272 kW/t
2.7 kg/hp
BMW8 Series (G15)M850i (Stage 3)795 hp
421 hp/t
314 kW/t
2.4 kg/hp
BMW8 Series (G15)M850i (Stage 1)625 hp
331 hp/t
247 kW/t
3.0 kg/hp
BMW8 Series (G15)M850i530 hp
280 hp/t
209 kW/t
3.6 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW8 Series (G15)M850i (Stage 2)689 hp
648 km
402 mi
BMW8 Series (G15)M850i (Stage 3)795 hp
648 km
402 mi
BMW8 Series (G15)M850i (Stage 1)625 hp
648 km
402 mi
BMW8 Series (G15)M850i530 hp
648 km
402 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW8 Series (G15)M850i (Stage 2)689 hp
689 hp
514 kW
3.1 s
Unrestricted
295 km/h183 mph
Restricted
280 km/h174 mph
BMW8 Series (G15)M850i (Stage 3)795 hp
795 hp
593 kW
2.9 s
292 km/h
181 mph
BMW8 Series (G15)M850i (Stage 1)625 hp
625 hp
466 kW
3.3 s
273 km/h
170 mph
BMW8 Series (G15)M850i530 hp
530 hp
395 kW
3.7 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 (Stage 2)689 hp
Power
689 hp
514 kW
0-100 km/h3.1 s
Top speed
Unrestricted
295 km/h183 mph
Restricted
280 km/h174 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
BMW8 Series (G15)M850i (Stage 3)795 hp
Power
795 hp
593 kW
0-100 km/h2.9 s
Top speed
292 km/h
181 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
BMW8 Series (G15)M850i (Stage 1)625 hp
Power
625 hp
466 kW
0-100 km/h3.3 s
Top speed
273 km/h
170 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
BMW8 Series (G15)M850i530 hp
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

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 (Stage 2)689 hp
Power
689 hp
514 kW
0-100 km/h3.1 s
Top speed
Unrestricted
295 km/h183 mph
Restricted
280 km/h174 mph
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
BMW8 Series (G15)M850i (Stage 3)795 hp
Power
795 hp
593 kW
0-100 km/h2.9 s
Top speed
292 km/h
181 mph
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
BMW8 Series (G15)M850i (Stage 1)625 hp
Power
625 hp
466 kW
0-100 km/h3.3 s
Top speed
273 km/h
170 mph
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
BMW8 Series (G15)M850i530 hp
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

BMW 8 Series (G15) M850i (Stage 2) 689 hp 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 (Stage 2)689 hp
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
3.1 s
BMW8 Series (G15)M850i (Stage 3)795 hp
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
2.9 s
BMW8 Series (G15)M850i (Stage 1)625 hp
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
3.3 s
BMW8 Series (G15)M850i530 hp
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
3.7 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 (Stage 2)689 hp
365 hp/t
272 kW/t
2.7 kg/hp
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
BMW8 Series (G15)M850i (Stage 3)795 hp
421 hp/t
314 kW/t
2.4 kg/hp
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
BMW8 Series (G15)M850i (Stage 1)625 hp
331 hp/t
247 kW/t
3.0 kg/hp
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
BMW8 Series (G15)M850i530 hp
280 hp/t
209 kW/t
3.6 kg/hp
10.5 L/100 km
22.4 mpg US
26.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW8 Series (G15)M850i (Stage 2)689 hpBMW8 Series (G15)M850i (Stage 3)795 hpBMW8 Series (G15)M850i (Stage 1)625 hpBMW8 Series (G15)M850i530 hp
Power
689 hp
514 kW
795 hp
593 kW
625 hp
466 kW
530 hp
395 kW
Torque
1,013 Nm
747 lb-ft
1,163 Nm
857 lb-ft
915 Nm
675 lb-ft
750 Nm
553 lb-ft
Acceleration
3.1 s
2.9 s
3.3 s
3.7 s
Top speed
Unrestricted
295 km/h183 mph
Restricted
280 km/h174 mph
292 km/h
181 mph
273 km/h
170 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,890 kg
4,167 lb
1,890 kg
4,167 lb
1,890 kg
4,167 lb
1,890 kg
4,167 lb
Fuel consumption
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
10.5 L/100 km
22.4 mpg US
26.9 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
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
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
420 L
14.8 cu ft
Length
4,851 mm
191.0 in
Height
1,346 mm
53.0 in
Range score
648 km
402 mi
648 km
402 mi
648 km
402 mi
648 km
402 mi
CO2 score
240 g/km
240 g/km
240 g/km
240 g/km
Trunk score
420 L
14.8 cu ft
420 L
14.8 cu ft
420 L
14.8 cu ft
420 L
14.8 cu ft
Power-to-weight score
365 hp/t
272 kW/t
2.7 kg/hp
421 hp/t
314 kW/t
2.4 kg/hp
331 hp/t
247 kW/t
3.0 kg/hp
280 hp/t
209 kW/t
3.6 kg/hp
Overall
Fixed score
Fixed score
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) M850i (Stage 2) 689 hpBMW 8 Series (G15) M850i (Stage 3) 795 hpBMW 8 Series (G15) M850i (Stage 1) 625 hpBMW 8 Series (G15) M850i 530 hp
Consumption10.5 L/100 km22.4 mpg US26.9 mpg UK10.5 L/100 km22.4 mpg US26.9 mpg UK10.5 L/100 km22.4 mpg US26.9 mpg UK10.5 L/100 km22.4 mpg US26.9 mpg UK
Cost / 100 km18.38 LC100 km18.38 LC100 km18.38 LC100 km18.38 LC100 km
Cost / 100 mi29.57 LC100 mi29.57 LC100 mi29.57 LC100 mi29.57 LC100 mi
Annual fuel used1,575 L416 US gal346 UK gal1,575 L416 US gal346 UK gal1,575 L416 US gal346 UK gal1,575 L416 US gal346 UK gal
Annual fuel cost2,756 LC/year2,756 LC/year2,756 LC/year2,756 LC/year

Head-to-head comparisons

BMW 8 Series (G15) M850i (Stage 3) 795 hp

  • Has 106 hp more
  • Has 150 Nm more
  • Is 0.3 s quicker from 0-100 km/h
  • Has 56 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Most powerful
  • Highest torque
  • Best power-to-weight ratio

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 8 Series (G15) M850i
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BMW8 Series (G15)M850ivsMercedes-BenzGLC Coupe (C253)AMG GLC 63 S
BMW 8 Series (G15) M850i · Stage 2 vs BMW 8 Series (G15) M850i · Stage 3 vs BMW 8 Series (G15) M850i · Stage 1 vs BMW 8 Series (G15) M850i - car comparison - FastVsFaster