Car comparison

BMW 8 Series (G15) 840i · Stage 2vsBMW 8 Series (G15) 840i · Stage 3vsBMW 8 Series (G15) 840i · Stage 1vsBMW 8 Series (G15) 840i

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

New comparison

BMW 8 Series (G15)

840i (Stage 2)

442 hp2998 ccGasolineRWDAutomaticTurbochargedCoupe2019-2020
VS

BMW 8 Series (G15)

840i (Stage 3)

510 hp2998 ccGasolineRWDAutomaticTurbochargedCoupe2019-2020
VS

BMW 8 Series (G15)

840i (Stage 1)

401 hp2998 ccGasolineRWDAutomaticTurbochargedCoupe2019-2020
VS

BMW 8 Series (G15)

840i

340 hp2998 ccGasolineRWDAutomaticTurbochargedCoupe2019-2020

Comparison overview

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

Best choices

BMW 8 Series (G15) 840i (Stage 2) 442 hp

  • Fastest top speed
    295 km/h
    183 mph Unrestricted
    280 km/h
    174 mph Restricted
  • Lightest
    1,710 kg
    3,770 lb
  • Lowest combined fuel consumption
    7.3 L/100 km
    32.2 mpg US
    38.7 mpg UK
  • Lowest city consumption
    9.0 L/100 km
    26.1 mpg US
    31.4 mpg UK
  • Lowest highway consumption
    6.3 L/100 km
    37.3 mpg US
    44.8 mpg UK
  • Best estimated range
    932 km
    579 mi
  • Largest trunk
    420 L
  • Best economy score
    87/100
  • Best practicality score
    52/100

BMW 8 Series (G15) 840i (Stage 3) 510 hp

  • Quickest 0-100 km/h
    3.9 s
  • Most powerful
    510 hp
    380 kW
  • Highest torque
    775 Nm
    572 lb-ft
  • Best power-to-weight
    298 hp/t
    222 kW/t
    3.4 kg/hp
  • Best overall score
    78/100
  • Best performance score
    90/100

Specification comparison

Specification comparison
ModelBMW8 Series (G15)840i (Stage 2)442 hpBMW8 Series (G15)840i (Stage 3)510 hpBMW8 Series (G15)840i (Stage 1)401 hpBMW8 Series (G15)840i340 hp
Power
442hp330kW+102 hp
510hp380kW+170 hp
401hp299kW+61 hp
340hp254kW
Torque
675Nm498lb-ft+175 Nm
775Nm572lb-ft+275 Nm
610Nm450lb-ft+110 Nm
500Nm369lb-ft
Curb weight
1,710kg3,770lb
1,710kg3,770lb
1,710kg3,770lb
1,710kg3,770lb
Gross weight
2,225kg4,905lb
2,225kg4,905lb
2,225kg4,905lb
2,225kg4,905lb
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
62.7s99% target: 292 km/h / 181 mph-6.3 s
Calculated
53.4s99% target: 289 km/h / 180 mph-15.7 s
Calculated
61.8s99% target: 270 km/h / 168 mph-7.3 s
Calculated
69.0s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.3s-0.8 s
3.9s-1.1 s
4.5s-0.5 s
5.0s
0-200 km/h
13.1s-4.5 s
Calculated
11.8s-5.8 s
Calculated
15.0s-2.5 s
Calculated
17.5s
Calculated
0-60 mph
4.1s-0.7 s
Calculated
3.7s-1.0 s
Calculated
4.3s-0.5 s
Calculated
4.8s
Calculated
Fuel consumption
7.3L/100 km32.2mpg US38.7mpg UK
7.3L/100 km32.2mpg US38.7mpg UK
7.3L/100 km32.2mpg US38.7mpg UK
7.3L/100 km32.2mpg US38.7mpg UK
Fuel consumption city
9L/100 km26.1mpg US31.4mpg UK
9L/100 km26.1mpg US31.4mpg UK
9L/100 km26.1mpg US31.4mpg UK
9L/100 km26.1mpg US31.4mpg UK
Fuel consumption highway
6.3L/100 km37.3mpg US44.8mpg UK
6.3L/100 km37.3mpg US44.8mpg UK
6.3L/100 km37.3mpg US44.8mpg UK
6.3L/100 km37.3mpg US44.8mpg UK
Quarter mile
12.2s-0.9 s
Calculated
11.7s-1.4 s
Calculated
12.6s-0.6 s
Calculated
13.1s
Calculated
Power-to-weight
258hp/t193kW/t117hp/1000 lb
Calculated
298hp/t222kW/t135hp/1000 lb
Calculated
235hp/t175kW/t106hp/1000 lb
Calculated
199hp/t148kW/t90hp/1000 lb
Calculated
Torque-to-weight
395Nm/t264lb-ft/ton
Calculated
453Nm/t303lb-ft/ton
Calculated
357Nm/t239lb-ft/ton
Calculated
292Nm/t196lb-ft/ton
Calculated
Estimated range
932km579mi
Calculated
932km579mi
Calculated
932km579mi
Calculated
932km579mi
Calculated
Displacement
2,998cc183cu in
2,998cc183cu in
2,998cc183cu in
2,998cc183cu in
Length
4,843mm191in
4,843mm191in
4,843mm191in
4,843mm191in
Width
1,902mm75in
1,902mm75in
1,902mm75in
1,902mm75in
Height
1,341mm53in
1,341mm53in
1,341mm53in
1,341mm53in
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
121mm5in
121mm5in
121mm5in
121mm5in
Trunk volume
420L
420L
420L
420L
Doors
2
2
2
2
Seats
4
4
4
4
Fuel tank
68L
68L
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) 840i (Stage 2) 442 hpBMW 8 Series (G15) 840i (Stage 3) 510 hpBMW 8 Series (G15) 840i (Stage 1) 401 hpBMW 8 Series (G15) 840i 340 hpPowerTorque
  • BMW 8 Series (G15) 840i (Stage 2) 442 hp: Power / Torque
  • BMW 8 Series (G15) 840i (Stage 3) 510 hp: Power / Torque
  • BMW 8 Series (G15) 840i (Stage 1) 401 hp: Power / Torque
  • BMW 8 Series (G15) 840i 340 hp: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW8 Series (G15)840i (Stage 2)442 hp5,000-6,500 rpm1,600-4,500 rpm6,750 rpm
BMW8 Series (G15)840i (Stage 3)510 hp5,000-6,500 rpm1,600-4,500 rpm6,750 rpm
BMW8 Series (G15)840i (Stage 1)401 hp5,000-6,500 rpm1,600-4,500 rpm6,750 rpm
BMW8 Series (G15)840i340 hp5,000-6,500 rpm1,600-4,500 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW8 Series (G15)840i (Stage 2)442 hpBMW8 Series (G15)840i (Stage 3)510 hpBMW8 Series (G15)840i (Stage 1)401 hpBMW8 Series (G15)840i340 hp
Acceleration checkpoints
0-60 mph
0-97 km/h
4.1 s
3.7 s
4.3 s
4.8 s
0-100 km/h
0-62 mph
4.3 s
3.9 s
4.5 s
5.0 s
0-200 km/h
0-124 mph
13.1 s
11.8 s
15.0 s
17.5 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
2.1 s
2.0 s
2.1 s
2.2 s
330 ft
101 m
5.4 s
5.2 s
5.5 s
5.7 s
1/8 mile
201 m
8.0 s
7.7 s
8.2 s
8.6 s
1000 ft
305 m
10.3 s
9.9 s
10.6 s
11.1 s
1/4 mile
402 m
12.2 s
11.7 s
12.6 s
13.1 s
Trap speed
1/4 mile
402 m
193 km/h
120 mph
200 km/h
124 mph
185 km/h
115 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 (Stage 2)442 hp
442 hp
330 kW
BMW8 Series (G15)840i (Stage 3)510 hp
510 hp
380 kW
BMW8 Series (G15)840i (Stage 1)401 hp
401 hp
299 kW
BMW8 Series (G15)840i340 hp
340 hp
254 kW

BMW 8 Series (G15) 840i (Stage 3) 510 hp has 170 hp more than BMW 8 Series (G15) 840i 340 hp.

The biggest power difference is between BMW 8 Series (G15) 840i 340 hp and BMW 8 Series (G15) 840i (Stage 3) 510 hp: 170 hp (127 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW8 Series (G15)840i (Stage 2)442 hp
675 Nm
498 lb-ft
BMW8 Series (G15)840i (Stage 3)510 hp
775 Nm
572 lb-ft
BMW8 Series (G15)840i (Stage 1)401 hp
610 Nm
450 lb-ft
BMW8 Series (G15)840i340 hp
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 (Stage 2)442 hp
1,710 kg
3,770 lb
BMW8 Series (G15)840i (Stage 3)510 hp
1,710 kg
3,770 lb
BMW8 Series (G15)840i (Stage 1)401 hp
1,710 kg
3,770 lb
BMW8 Series (G15)840i340 hp
1,710 kg
3,770 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 (Stage 2)442 hp
Unrestricted
295 km/h183 mph
Restricted
280 km/h174 mph
BMW8 Series (G15)840i (Stage 3)510 hp
292 km/h
181 mph
BMW8 Series (G15)840i (Stage 1)401 hp
273 km/h
170 mph
BMW8 Series (G15)840i340 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)840i (Stage 2)442 hp4.3 s
BMW8 Series (G15)840i (Stage 3)510 hp3.9 s
BMW8 Series (G15)840i (Stage 1)401 hp4.5 s
BMW8 Series (G15)840i340 hp5.0 s

The biggest 0-100 km/h difference is between BMW 8 Series (G15) 840i (Stage 3) 510 hp and BMW 8 Series (G15) 840i 340 hp: 1.1 s.

The closest cars by acceleration are BMW 8 Series (G15) 840i (Stage 2) 442 hp and BMW 8 Series (G15) 840i (Stage 1) 401 hp, separated by only 0.3 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 (Stage 2)442 hp
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
BMW8 Series (G15)840i (Stage 3)510 hp
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
BMW8 Series (G15)840i (Stage 1)401 hp
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
BMW8 Series (G15)840i340 hp
7.3 L/100 km
32.2 mpg US
38.7 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)840i (Stage 2)442 hp
258 hp/t
193 kW/t
3.9 kg/hp
BMW8 Series (G15)840i (Stage 3)510 hp
298 hp/t
222 kW/t
3.4 kg/hp
BMW8 Series (G15)840i (Stage 1)401 hp
235 hp/t
175 kW/t
4.3 kg/hp
BMW8 Series (G15)840i340 hp
199 hp/t
148 kW/t
5.0 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW8 Series (G15)840i (Stage 2)442 hp
932 km
579 mi
BMW8 Series (G15)840i (Stage 3)510 hp
932 km
579 mi
BMW8 Series (G15)840i (Stage 1)401 hp
932 km
579 mi
BMW8 Series (G15)840i340 hp
932 km
579 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW8 Series (G15)840i (Stage 2)442 hp
442 hp
330 kW
4.3 s
Unrestricted
295 km/h183 mph
Restricted
280 km/h174 mph
BMW8 Series (G15)840i (Stage 3)510 hp
510 hp
380 kW
3.9 s
292 km/h
181 mph
BMW8 Series (G15)840i (Stage 1)401 hp
401 hp
299 kW
4.5 s
273 km/h
170 mph
BMW8 Series (G15)840i340 hp
340 hp
254 kW
5.0 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 (Stage 2)442 hp
Power
442 hp
330 kW
0-100 km/h4.3 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
4,843 mm
190.7 in
Height
1,341 mm
52.8 in
BMW8 Series (G15)840i (Stage 3)510 hp
Power
510 hp
380 kW
0-100 km/h3.9 s
Top speed
292 km/h
181 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 (G15)840i (Stage 1)401 hp
Power
401 hp
299 kW
0-100 km/h4.5 s
Top speed
273 km/h
170 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 (G15)840i340 hp
Power
340 hp
254 kW
0-100 km/h5.0 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

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 (Stage 2)442 hp
Power
442 hp
330 kW
0-100 km/h4.3 s
Top speed
Unrestricted
295 km/h183 mph
Restricted
280 km/h174 mph
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
BMW8 Series (G15)840i (Stage 3)510 hp
Power
510 hp
380 kW
0-100 km/h3.9 s
Top speed
292 km/h
181 mph
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
BMW8 Series (G15)840i (Stage 1)401 hp
Power
401 hp
299 kW
0-100 km/h4.5 s
Top speed
273 km/h
170 mph
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
BMW8 Series (G15)840i340 hp
Power
340 hp
254 kW
0-100 km/h5.0 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

BMW 8 Series (G15) 840i (Stage 3) 510 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)840i (Stage 2)442 hp
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
4.3 s
BMW8 Series (G15)840i (Stage 3)510 hp
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
3.9 s
BMW8 Series (G15)840i (Stage 1)401 hp
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
4.5 s
BMW8 Series (G15)840i340 hp
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
5.0 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 (Stage 2)442 hp
258 hp/t
193 kW/t
3.9 kg/hp
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
BMW8 Series (G15)840i (Stage 3)510 hp
298 hp/t
222 kW/t
3.4 kg/hp
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
BMW8 Series (G15)840i (Stage 1)401 hp
235 hp/t
175 kW/t
4.3 kg/hp
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
BMW8 Series (G15)840i340 hp
199 hp/t
148 kW/t
5.0 kg/hp
7.3 L/100 km
32.2 mpg US
38.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW8 Series (G15)840i (Stage 2)442 hpBMW8 Series (G15)840i (Stage 3)510 hpBMW8 Series (G15)840i (Stage 1)401 hpBMW8 Series (G15)840i340 hp
Power
442 hp
330 kW
510 hp
380 kW
401 hp
299 kW
340 hp
254 kW
Torque
675 Nm
498 lb-ft
775 Nm
572 lb-ft
610 Nm
450 lb-ft
500 Nm
369 lb-ft
Acceleration
4.3 s
3.9 s
4.5 s
5.0 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
1,710 kg
3,770 lb
1,710 kg
3,770 lb
1,710 kg
3,770 lb
1,710 kg
3,770 lb
Fuel consumption
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
7.3 L/100 km
32.2 mpg US
38.7 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
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
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
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
Range score
932 km
579 mi
932 km
579 mi
932 km
579 mi
932 km
579 mi
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
258 hp/t
193 kW/t
3.9 kg/hp
298 hp/t
222 kW/t
3.4 kg/hp
235 hp/t
175 kW/t
4.3 kg/hp
199 hp/t
148 kW/t
5.0 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) 840i (Stage 2) 442 hpBMW 8 Series (G15) 840i (Stage 3) 510 hpBMW 8 Series (G15) 840i (Stage 1) 401 hpBMW 8 Series (G15) 840i 340 hp
Consumption7.3 L/100 km32.2 mpg US38.7 mpg UK7.3 L/100 km32.2 mpg US38.7 mpg UK7.3 L/100 km32.2 mpg US38.7 mpg UK7.3 L/100 km32.2 mpg US38.7 mpg UK
Cost / 100 km12.78 LC100 km12.78 LC100 km12.78 LC100 km12.78 LC100 km
Cost / 100 mi20.56 LC100 mi20.56 LC100 mi20.56 LC100 mi20.56 LC100 mi
Annual fuel used1,095 L289 US gal241 UK gal1,095 L289 US gal241 UK gal1,095 L289 US gal241 UK gal1,095 L289 US gal241 UK gal
Annual fuel cost1,916 LC/year1,916 LC/year1,916 LC/year1,916 LC/year

Head-to-head comparisons

BMW 8 Series (G15) 840i (Stage 3) 510 hp

  • Has 68 hp more
  • Has 100 Nm more
  • Is 0.4 s quicker from 0-100 km/h
  • Has 40 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) 840i
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M440i
VS
BMW8 Series (G15)840ivsBMW4 Series Gran Coupe (G26)M440i
840i
Competition 3.0
VS
BMW8 Series (G15)840ivsBMWM2 coupe (F87)Competition 3.0
840i
M240i
VS
BMW8 Series (G15)840ivsBMW2 Series Coupe (G42)M240i
BMW 8 Series (G15) 840i · Stage 2 vs BMW 8 Series (G15) 840i · Stage 3 vs BMW 8 Series (G15) 840i · Stage 1 vs BMW 8 Series (G15) 840i - car comparison - FastVsFaster