Car comparison

BMW 8 Series (G15) M850ivsBMW 8 Series Gran Coupe (G16) M850i V8

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 8 Series Gran Coupe (G16)

M850i V8

530 hp4395 ccGasolineAWDAutomaticTurbochargedCoupe2020-2022

Comparison overview

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

Best choices

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
  • Lightest
    1,890 kg
    4,167 lb
  • Best power-to-weight
    280 hp/t
    209 kW/t
    3.6 kg/hp
  • Best performance score
    86/100
  • Best economy score
    79/100

BMW 8 Series Gran Coupe (G16) M850i V8

  • Lowest combined fuel consumption
    10.2 L/100 km
    23.1 mpg US
    27.7 mpg UK
  • Best estimated range
    667 km
    414 mi
  • Largest trunk
    440 L
  • Best overall score
    79/100
  • Best practicality score
    65/100

Specification comparison

Specification comparison
ModelBMW8 Series (G15)M850iBMW8 Series Gran Coupe (G16)M850i V8
Power
530hp395kW
530hp395kW
Torque
750Nm553lb-ft
750Nm553lb-ft
Curb weight
1,890kg4,167lb
2,010kg4,431lb
Gross weight
2,395kg5,280lb
2,600kg5,732lb
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
49.0s99% target: 262 km/h / 163 mph
Calculated
54.3s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
3.7s
3.9s
0-200 km/h
12.7s
Calculated
13.7s
Calculated
0-60 mph
3.5s
Calculated
3.7s
Calculated
Fuel consumption
10.5L/100 km22.4mpg US26.9mpg UK
10.2L/100 km23.1mpg US27.7mpg UK
Fuel consumption city-
14.3L/100 km16.4mpg US19.8mpg UK
Fuel consumption highway-
7.8L/100 km30.2mpg US36.2mpg UK
Quarter mile
11.7s
Calculated
12.0s
Calculated
Power-to-weight
280hp/t209kW/t127hp/1000 lb
Calculated
264hp/t197kW/t120hp/1000 lb
Calculated
Torque-to-weight
397Nm/t266lb-ft/ton
Calculated
373Nm/t250lb-ft/ton
Calculated
Estimated range
648km402mi
Calculated
667km414mi
Calculated
Displacement
4,395cc268cu in
4,395cc268cu in
Length
4,851mm191in
5,082mm200in
Width
1,902mm75in
1,932mm76in
Height
1,346mm53in
1,407mm55in
Wheelbase
2,822mm111in
3,023mm119in
Front track
1,627mm64in
1,627mm64in
Rear track
1,642mm65in
1,671mm66in
Ground clearance
128mm5in
128mm5in
Trunk volume
420L
440L
Doors
2
4
Seats
4
5
Fuel tank
68L
68L
CO2 emissions
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) M850iBMW 8 Series Gran Coupe (G16) M850i V8PowerTorque
  • BMW 8 Series (G15) M850i: Power / Torque
  • BMW 8 Series Gran Coupe (G16) M850i V8: 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
BMW8 Series Gran Coupe (G16)M850i V85,500-6,000 rpm1,800-4,600 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW8 Series (G15)M850iBMW8 Series Gran Coupe (G16)M850i V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.5 s
3.7 s
0-100 km/h
0-62 mph
3.7 s
3.9 s
0-200 km/h
0-124 mph
12.7 s
13.7 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
1.9 s
330 ft
101 m
5.1 s
5.2 s
1/8 mile
201 m
7.6 s
7.8 s
1000 ft
305 m
9.8 s
10.1 s
1/4 mile
402 m
11.7 s
12.0 s
Trap speed
1/4 mile
402 m
193 km/h
120 mph
189 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
BMW8 Series Gran Coupe (G16)M850i V8
530 hp
395 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
BMW8 Series Gran Coupe (G16)M850i V8
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
1,890 kg
4,167 lb
BMW8 Series Gran Coupe (G16)M850i V8
2,010 kg
4,431 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
BMW8 Series Gran Coupe (G16)M850i V8
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
BMW8 Series Gran Coupe (G16)M850i V83.9 s

The biggest 0-100 km/h difference is between BMW 8 Series (G15) M850i and BMW 8 Series Gran Coupe (G16) M850i V8: 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
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
BMW8 Series Gran Coupe (G16)M850i V8
10.2 L/100 km
23.1 mpg US
27.7 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
280 hp/t
209 kW/t
3.6 kg/hp
BMW8 Series Gran Coupe (G16)M850i V8
264 hp/t
197 kW/t
3.8 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
BMW8 Series Gran Coupe (G16)M850i V8
667 km
414 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
BMW8 Series Gran Coupe (G16)M850i V8
530 hp
395 kW
3.9 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
BMW8 Series Gran Coupe (G16)M850i V8
Power
530 hp
395 kW
0-100 km/h3.9 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.

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
BMW8 Series Gran Coupe (G16)M850i V8
Power
530 hp
395 kW
0-100 km/h3.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
10.2 L/100 km
23.1 mpg US
27.7 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
BMW8 Series Gran Coupe (G16)M850i V8
10.2 L/100 km
23.1 mpg US
27.7 mpg UK
3.9 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)M850i
280 hp/t
209 kW/t
3.6 kg/hp
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
BMW8 Series Gran Coupe (G16)M850i V8
264 hp/t
197 kW/t
3.8 kg/hp
10.2 L/100 km
23.1 mpg US
27.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW8 Series (G15)M850iBMW8 Series Gran Coupe (G16)M850i V8
Power
530 hp
395 kW
530 hp
395 kW
Torque
750 Nm
553 lb-ft
750 Nm
553 lb-ft
Acceleration
3.7 s
3.9 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
2,010 kg
4,431 lb
Fuel consumption
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
10.2 L/100 km
23.1 mpg US
27.7 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
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
648 km
402 mi
667 km
414 mi
CO2 score
240 g/km
-
Trunk score
420 L
14.8 cu ft
440 L
15.5 cu ft
Power-to-weight score
280 hp/t
209 kW/t
3.6 kg/hp
264 hp/t
197 kW/t
3.8 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 8 Series Gran Coupe (G16) M850i V8
Consumption10.5 L/100 km22.4 mpg US26.9 mpg UK10.2 L/100 km23.1 mpg US27.7 mpg UK
Cost / 100 km18.38 LC100 km17.85 LC100 km
Cost / 100 mi29.57 LC100 mi28.73 LC100 mi
Annual fuel used1,575 L416 US gal346 UK gal1,530 L404 US gal337 UK gal
Annual fuel cost2,756 LC/year2,678 LC/year

Head-to-head comparisons

BMW 8 Series (G15) M850i

  • Is 120 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Has 17 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption
  • Smallest trunk

BMW 8 Series Gran Coupe (G16) M850i V8

  • Uses 0.3 L/100 km less fuel
  • Has 19 km (12 mi) more estimated range
  • Has 20 L more trunk volume

Pros

  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Heaviest

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 8 Series (G15) M850i
BMW 8 Series Gran Coupe (G16) M850i V8
Compare selected cars
2 vehicles selected

Popular comparisons

M850i
M850i V8
VS
BMW8 Series (G15)M850ivsBMW8 Series Gran Coupe (G16)M850i V8
M850i V8
M850i
VS
BMW8 Series Gran Coupe (G16)M850i V8vsBMW8 Series (G15)M850i
M850i
850Csi 5.6
VS
BMW8 Series (G15)M850ivsBMW8 Series (E31)850Csi 5.6
M850i
Competition 3.0
VS
BMW8 Series (G15)M850ivsBMWM4 (G82)Competition 3.0
M850i
4.4 V8
VS
BMW8 Series (G15)M850ivsBMWM8 Gran Coupe (F93)4.4 V8
M850i V8
M50 83.9 kWh
VS
BMW8 Series Gran Coupe (G16)M850i V8vsBMWi4 (G26)M50 83.9 kWh
M850i
Competition 3.0
VS
BMW8 Series (G15)M850ivsBMWM4 (F82)Competition 3.0
M850i
4.4 V8
VS
BMW8 Series (G15)M850ivsBMWM8 Coupe (F92)4.4 V8
M850i V8
3.0
VS
BMW8 Series Gran Coupe (G16)M850i V8vsBMWM2 (G87)3.0
M850i
CS 3.0
VS
BMW8 Series (G15)M850ivsBMWM2 coupe (F87)CS 3.0
M850i V8
Competition 4.4 V8
VS
BMW8 Series Gran Coupe (G16)M850i V8vsBMWM8 Gran Coupe (F93)Facelift 2022Competition 4.4 V8
M850i V8
Competition 4.4 V8
VS
BMW8 Series Gran Coupe (G16)M850i V8vsBMWM8 Coupe (F92)Facelift 2022Competition 4.4 V8
BMW 8 Series (G15) M850i vs BMW 8 Series Gran Coupe (G16) M850i V8 - car comparison - FastVsFaster