Car comparison

BMW 8 Series (G15) 840ivsBMW 4 Series Gran Coupe (F36) · Facelift 2017 440i

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

New comparison

BMW 8 Series (G15)

840i

333 hp2998 ccGasolineAWDAutomaticTurbochargedCoupe2020-2022
VS

BMW 4 Series Gran Coupe (F36) · Facelift 2017

440i

326 hp2998 ccGasolineRWDAutomaticTurbochargedCoupe2017-2021

Comparison overview

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

Best choices

BMW 4 Series Gran Coupe (F36) Facelift 2017 440i

  • Lightest
    1,615 kg
    3,560 lb
  • Best power-to-weight
    202 hp/t
    151 kW/t
    5.0 kg/hp
  • Lowest combined fuel consumption
    6.8 L/100 km
    34.6 mpg US
    41.5 mpg UK
  • Lowest city consumption
    9.1 L/100 km
    25.8 mpg US
    31.0 mpg UK
  • Lowest highway consumption
    5.5 L/100 km
    42.8 mpg US
    51.4 mpg UK
  • Best estimated range
    882 km
    548 mi
  • Largest trunk
    480 L
  • Best overall score
    68/100
  • Best economy score
    89/100
  • Best practicality score
    65/100

BMW 8 Series (G15) 840i

  • Quickest 0-100 km/h
    4.9 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
  • Best performance score
    71/100

Specification comparison

Specification comparison
ModelBMW8 Series (G15)840iBMW4 Series Gran Coupe (F36)Facelift 2017440i
Power
333hp248kW
326hp243kW
Torque
500Nm369lb-ft
450Nm332lb-ft
Curb weight
1,795kg3,957lb
1,615kg3,560lb
Gross weight
2,280kg5,027lb
2,175kg4,795lb
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
70.6s99% target: 262 km/h / 163 mph
Calculated
69.3s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.9s
5.1s
0-200 km/h
17.6s
Calculated
17.8s
Calculated
0-60 mph
4.7s
Calculated
4.9s
Calculated
Fuel consumption
7.8L/100 km30.2mpg US36.2mpg UK
6.8L/100 km34.6mpg US41.5mpg UK
Fuel consumption city
9.9L/100 km23.8mpg US28.5mpg UK
9.1L/100 km25.8mpg US31.0mpg UK
Fuel consumption highway
6.6L/100 km35.6mpg US42.8mpg UK
5.5L/100 km42.8mpg US51.4mpg UK
Quarter mile
13.0s
Calculated
13.2s
Calculated
Power-to-weight
186hp/t138kW/t84hp/1000 lb
Calculated
202hp/t151kW/t92hp/1000 lb
Calculated
Torque-to-weight
279Nm/t186lb-ft/ton
Calculated
279Nm/t186lb-ft/ton
Calculated
Estimated range
872km542mi
Calculated
882km548mi
Calculated
Displacement
2,998cc183cu in
2,998cc183cu in
Length
4,843mm191in
4,640mm183in
Width
1,902mm75in
1,825mm72in
Height
1,341mm53in
1,389mm55in
Wheelbase
2,822mm111in
2,810mm111in
Front track
1,627mm64in
1,545mm61in
Rear track
1,642mm65in
1,592mm63in
Ground clearance
121mm5in
130mm5in
Trunk volume
420L
480L
Max trunk volume-
1,300L
Doors
2
4
Seats
4
5
Fuel tank
68L
60L
CO2 emissions-
159g/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) 840iBMW 4 Series Gran Coupe (F36) Facelift 2017 440iPowerTorque
  • BMW 8 Series (G15) 840i: Power / Torque
  • BMW 4 Series Gran Coupe (F36) Facelift 2017 440i: 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
BMW4 Series Gran Coupe (F36)Facelift 2017440i5,500 rpm1,380-5,000 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW8 Series (G15)840iBMW4 Series Gran Coupe (F36)Facelift 2017440i
Acceleration checkpoints
0-60 mph
0-97 km/h
4.7 s
4.9 s
0-100 km/h
0-62 mph
4.9 s
5.1 s
0-200 km/h
0-124 mph
17.6 s
17.8 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
2.1 s
2.2 s
330 ft
101 m
5.6 s
5.8 s
1/8 mile
201 m
8.5 s
8.7 s
1000 ft
305 m
11.0 s
11.1 s
1/4 mile
402 m
13.0 s
13.2 s
Trap speed
1/4 mile
402 m
176 km/h
109 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
333 hp
248 kW
BMW4 Series Gran Coupe (F36)Facelift 2017440i
326 hp
243 kW

BMW 8 Series (G15) 840i has 7 hp more than BMW 4 Series Gran Coupe (F36) Facelift 2017 440i.

The biggest power difference is between BMW 4 Series Gran Coupe (F36) Facelift 2017 440i and BMW 8 Series (G15) 840i: 7 hp (5 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
BMW4 Series Gran Coupe (F36)Facelift 2017440i
450 Nm
332 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW8 Series (G15)840i
1,795 kg
3,957 lb
BMW4 Series Gran Coupe (F36)Facelift 2017440i
1,615 kg
3,560 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
BMW4 Series Gran Coupe (F36)Facelift 2017440i
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)840i4.9 s
BMW4 Series Gran Coupe (F36)Facelift 2017440i5.1 s

The biggest 0-100 km/h difference is between BMW 8 Series (G15) 840i and BMW 4 Series Gran Coupe (F36) Facelift 2017 440i: 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
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
BMW4 Series Gran Coupe (F36)Facelift 2017440i
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

The biggest fuel consumption difference is between BMW 4 Series Gran Coupe (F36) Facelift 2017 440i and BMW 8 Series (G15) 840i: 1.0 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)840i
186 hp/t
138 kW/t
5.4 kg/hp
BMW4 Series Gran Coupe (F36)Facelift 2017440i
202 hp/t
151 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
872 km
542 mi
BMW4 Series Gran Coupe (F36)Facelift 2017440i
882 km
548 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
4.9 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW4 Series Gran Coupe (F36)Facelift 2017440i
326 hp
243 kW
5.1 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/h4.9 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
BMW4 Series Gran Coupe (F36)Facelift 2017440i
Power
326 hp
243 kW
0-100 km/h5.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,640 mm
182.7 in
Height
1,389 mm
54.7 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/h4.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
BMW4 Series Gran Coupe (F36)Facelift 2017440i
Power
326 hp
243 kW
0-100 km/h5.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

BMW 4 Series Gran Coupe (F36) Facelift 2017 440i 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
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
4.9 s
BMW4 Series Gran Coupe (F36)Facelift 2017440i
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
5.1 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
186 hp/t
138 kW/t
5.4 kg/hp
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
BMW4 Series Gran Coupe (F36)Facelift 2017440i
202 hp/t
151 kW/t
5.0 kg/hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW8 Series (G15)840iBMW4 Series Gran Coupe (F36)Facelift 2017440i
Power
333 hp
248 kW
326 hp
243 kW
Torque
500 Nm
369 lb-ft
450 Nm
332 lb-ft
Acceleration
4.9 s
5.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,795 kg
3,957 lb
1,615 kg
3,560 lb
Fuel consumption
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
6.8 L/100 km
34.6 mpg US
41.5 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
480 L
17.0 cu ft
Length
4,640 mm
182.7 in
Height
1,389 mm
54.7 in
Range score
872 km
542 mi
882 km
548 mi
CO2 score
-
159 g/km
Trunk score
420 L
14.8 cu ft
480 L
17.0 cu ft
Power-to-weight score
186 hp/t
138 kW/t
5.4 kg/hp
202 hp/t
151 kW/t
5.0 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 4 Series Gran Coupe (F36) Facelift 2017 440i
Consumption7.8 L/100 km30.2 mpg US36.2 mpg UK6.8 L/100 km34.6 mpg US41.5 mpg UK
Cost / 100 km13.65 LC100 km11.90 LC100 km
Cost / 100 mi21.97 LC100 mi19.15 LC100 mi
Annual fuel used1,170 L309 US gal257 UK gal1,020 L269 US gal224 UK gal
Annual fuel cost2,048 LC/year1,785 LC/year

Head-to-head comparisons

BMW 8 Series (G15) 840i

  • Has 7 hp more
  • Has 50 Nm more
  • Is 0.2 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

BMW 4 Series Gran Coupe (F36) Facelift 2017 440i

  • Is 180 kg lighter
  • Uses 1.0 L/100 km less fuel
  • Has 16 hp/t better power-to-weight
  • Has 11 km (7 mi) more estimated range
  • Has 60 L more trunk volume

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) 840i
BMW 4 Series Gran Coupe (F36) 440i
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2 vehicles selected

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BMW 8 Series (G15) 840i vs BMW 4 Series Gran Coupe (F36) · Facelift 2017 440i - car comparison - FastVsFaster