Car comparison

BMW 8 Series (G15) 840ivsBMW 8 Series Gran Coupe (G16) 840i

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

New comparison

BMW 8 Series (G15)

840i

333 hp2998 ccGasolineRWDAutomaticTurbochargedCoupe2020-2022
VS

BMW 8 Series Gran Coupe (G16)

840i

333 hp2998 ccGasolineRWDAutomaticTurbochargedCoupe2020-2022

Comparison overview

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

Best choices

BMW 8 Series (G15) 840i

  • Quickest 0-100 km/h
    5.2 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    333 hp
    248 kW
  • Highest torque
    500 Nm
    369 lb-ft
  • Lightest
    1,730 kg
    3,814 lb
  • Best power-to-weight
    192 hp/t
    144 kW/t
    5.2 kg/hp
  • Lowest combined fuel consumption
    7.3 L/100 km
    32.2 mpg US
    38.7 mpg UK
  • Lowest city consumption
    9.5 L/100 km
    24.8 mpg US
    29.7 mpg UK
  • Lowest highway consumption
    6.0 L/100 km
    39.2 mpg US
    47.1 mpg UK
  • Best estimated range
    932 km
    579 mi
  • Best performance score
    70/100
  • Best economy score
    87/100

Specification comparison

Specification comparison
ModelBMW8 Series (G15)840iBMW8 Series Gran Coupe (G16)840i
Power
333hp248kW
333hp248kW
Torque
500Nm369lb-ft
500Nm369lb-ft
Curb weight
1,730kg3,814lb
1,815kg4,001lb
Gross weight
2,225kg4,905lb
2,435kg5,368lb
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
72.6s99% target: 262 km/h / 163 mph
Calculated
79.1s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
5.2s
5.4s
0-200 km/h
18.4s
Calculated
19.5s
Calculated
0-60 mph
4.9s
Calculated
5.1s
Calculated
Fuel consumption
7.3L/100 km32.2mpg US38.7mpg UK
7.4L/100 km31.8mpg US38.2mpg UK
Fuel consumption city
9.5L/100 km24.8mpg US29.7mpg UK
9.7L/100 km24.2mpg US29.1mpg UK
Fuel consumption highway
6L/100 km39.2mpg US47.1mpg UK
6.1L/100 km38.6mpg US46.3mpg UK
Quarter mile
13.3s
Calculated
13.5s
Calculated
Power-to-weight
192hp/t144kW/t87hp/1000 lb
Calculated
183hp/t137kW/t83hp/1000 lb
Calculated
Torque-to-weight
289Nm/t193lb-ft/ton
Calculated
275Nm/t184lb-ft/ton
Calculated
Estimated range
932km579mi
Calculated
919km571mi
Calculated
Displacement
2,998cc183cu in
2,998cc183cu in
Length
4,843mm191in
5,074mm200in
Width
1,902mm75in
1,932mm76in
Height
1,341mm53in
1,401mm55in
Wheelbase
2,822mm111in
3,023mm119in
Front track
1,627mm64in
1,627mm64in
Rear track
1,642mm65in
1,671mm66in
Ground clearance
121mm5in
121mm5in
Trunk volume
420L
440L
Doors
2
4
Seats
4
5
Fuel tank
68L
68L

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 8 Series Gran Coupe (G16) 840iPowerTorque
  • BMW 8 Series (G15) 840i: Power / Torque
  • BMW 8 Series Gran Coupe (G16) 840i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW8 Series (G15)840i5,500-6,250 rpm1,700-4,000 rpm6,500 rpm
BMW8 Series Gran Coupe (G16)840i5,500-6,250 rpm1,700-4,000 rpm6,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW8 Series (G15)840iBMW8 Series Gran Coupe (G16)840i
Acceleration checkpoints
0-60 mph
0-97 km/h
4.9 s
5.1 s
0-100 km/h
0-62 mph
5.2 s
5.4 s
0-200 km/h
0-124 mph
18.4 s
19.5 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
2.2 s
2.2 s
330 ft
101 m
5.8 s
5.9 s
1/8 mile
201 m
8.7 s
8.8 s
1000 ft
305 m
11.2 s
11.4 s
1/4 mile
402 m
13.3 s
13.5 s
Trap speed
1/4 mile
402 m
174 km/h
108 mph
171 km/h
106 mph

Power comparison

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

Chart data table
VehicleValue
BMW8 Series (G15)840i
333 hp
248 kW
BMW8 Series Gran Coupe (G16)840i
333 hp
248 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
BMW8 Series Gran Coupe (G16)840i
500 Nm
369 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW8 Series (G15)840i
1,730 kg
3,814 lb
BMW8 Series Gran Coupe (G16)840i
1,815 kg
4,001 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
BMW8 Series Gran Coupe (G16)840i
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)840i5.2 s
BMW8 Series Gran Coupe (G16)840i5.4 s

The biggest 0-100 km/h difference is between BMW 8 Series (G15) 840i and BMW 8 Series Gran Coupe (G16) 840i: 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
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
BMW8 Series Gran Coupe (G16)840i
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
VehicleValue
BMW8 Series (G15)840i
192 hp/t
144 kW/t
5.2 kg/hp
BMW8 Series Gran Coupe (G16)840i
183 hp/t
137 kW/t
5.5 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW8 Series (G15)840i
932 km
579 mi
BMW8 Series Gran Coupe (G16)840i
919 km
571 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW8 Series (G15)840i
333 hp
248 kW
5.2 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW8 Series Gran Coupe (G16)840i
333 hp
248 kW
5.4 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)840i
Power
333 hp
248 kW
0-100 km/h5.2 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
BMW8 Series Gran Coupe (G16)840i
Power
333 hp
248 kW
0-100 km/h5.4 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
5,074 mm
199.8 in
Height
1,401 mm
55.2 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
333 hp
248 kW
0-100 km/h5.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
BMW8 Series Gran Coupe (G16)840i
Power
333 hp
248 kW
0-100 km/h5.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
7.4 L/100 km
31.8 mpg US
38.2 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
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
5.2 s
BMW8 Series Gran Coupe (G16)840i
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
5.4 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
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
BMW8 Series (G15)840i
192 hp/t
144 kW/t
5.2 kg/hp
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
BMW8 Series Gran Coupe (G16)840i
183 hp/t
137 kW/t
5.5 kg/hp
7.4 L/100 km
31.8 mpg US
38.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW8 Series (G15)840iBMW8 Series Gran Coupe (G16)840i
Power
333 hp
248 kW
333 hp
248 kW
Torque
500 Nm
369 lb-ft
500 Nm
369 lb-ft
Acceleration
5.2 s
5.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,730 kg
3,814 lb
1,815 kg
4,001 lb
Fuel consumption
7.3 L/100 km
32.2 mpg US
38.7 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
4 doors
5 seats
Trunk
440 L
15.5 cu ft
Length
5,074 mm
199.8 in
Height
1,401 mm
55.2 in
Range score
932 km
579 mi
919 km
571 mi
Trunk score
420 L
14.8 cu ft
440 L
15.5 cu ft
Power-to-weight score
192 hp/t
144 kW/t
5.2 kg/hp
183 hp/t
137 kW/t
5.5 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 8 Series Gran Coupe (G16) 840i
Consumption7.3 L/100 km32.2 mpg US38.7 mpg UK7.4 L/100 km31.8 mpg US38.2 mpg UK
Cost / 100 km12.78 LC100 km12.95 LC100 km
Cost / 100 mi20.56 LC100 mi20.84 LC100 mi
Annual fuel used1,095 L289 US gal241 UK gal1,110 L293 US gal244 UK gal
Annual fuel cost1,916 LC/year1,943 LC/year

Head-to-head comparisons

BMW 8 Series (G15) 840i

  • Is 85 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Uses 0.1 L/100 km less fuel
  • Has 9 hp/t better power-to-weight
  • Has 13 km (8 mi) more estimated range

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range

Cons

  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 8 Series (G15) 840i
BMW 8 Series Gran Coupe (G16) 840i
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2 vehicles selected

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BMW 8 Series (G15) 840i vs BMW 8 Series Gran Coupe (G16) 840i - car comparison - FastVsFaster