Car comparison

BMW 4 Series Gran Coupe (G26) M440ivsBMW 8 Series Gran Coupe (G16) 840d

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

New comparison

BMW 4 Series Gran Coupe (G26)

M440i

374 hp2998 ccGasolineRWDAutomaticTurbochargedCoupe2022-2024
VS

BMW 8 Series Gran Coupe (G16)

840d

340 hp2993 ccDieselAWDAutomaticTurbochargedCoupe2020-2022

Comparison overview

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

Best choices

BMW 4 Series Gran Coupe (G26) M440i

  • Quickest 0-100 km/h
    5.0 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    374 hp
    279 kW
  • Lightest
    1,765 kg
    3,891 lb
  • Best power-to-weight
    212 hp/t
    158 kW/t
    4.7 kg/hp
  • Largest trunk
    470 L
  • Best overall score
    71/100
  • Best practicality score
    69/100

BMW 8 Series Gran Coupe (G16) 840d

  • Highest torque
    700 Nm
    516 lb-ft
  • Lowest combined fuel consumption
    5.9 L/100 km
    39.9 mpg US
    47.9 mpg UK
  • Best estimated range
    1,119 km
    695 mi
  • Best performance score
    74/100
  • Best economy score
    91/100

Specification comparison

Specification comparison
ModelBMW4 Series Gran Coupe (G26)M440iBMW8 Series Gran Coupe (G16)840d
Power
374hp279kW
340hp254kW
Torque
500Nm369lb-ft
700Nm516lb-ft
Curb weight
1,765kg3,891lb
1,995kg4,398lb
Gross weight
2,320kg5,115lb
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
70.5s99% target: 262 km/h / 163 mph
Calculated
76.1s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
5.0s
5.0s
0-200 km/h
17.7s
Calculated
18.4s
Calculated
0-60 mph
4.8s
Calculated
4.7s
Calculated
Fuel consumption
8.2L/100 km28.7mpg US34.4mpg UK
5.9L/100 km39.9mpg US47.9mpg UK
Fuel consumption city-
7.4L/100 km31.8mpg US38.2mpg UK
Fuel consumption highway-
5L/100 km47mpg US56.5mpg UK
Quarter mile
13.1s
Calculated
13.2s
Calculated
Power-to-weight
212hp/t158kW/t96hp/1000 lb
Calculated
170hp/t127kW/t77hp/1000 lb
Calculated
Torque-to-weight
283Nm/t190lb-ft/ton
Calculated
351Nm/t235lb-ft/ton
Calculated
Estimated range
720km447mi
Calculated
1,119km695mi
Calculated
Displacement
2,998cc183cu in
2,993cc183cu in
Length
4,783mm188in
5,074mm200in
Width
1,852mm73in
1,932mm76in
Height
1,442mm57in
1,401mm55in
Wheelbase
2,856mm112in
3,023mm119in
Front track
1,583mm62in
1,627mm64in
Rear track
1,611mm63in
1,671mm66in
Ground clearance
140mm6in
121mm5in
Trunk volume
470L
440L
Max trunk volume
1,290L
-
Doors
5
4
Seats
5
5
Fuel tank
59L
66L

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 4 Series Gran Coupe (G26) M440iBMW 8 Series Gran Coupe (G16) 840dPowerTorque
  • BMW 4 Series Gran Coupe (G26) M440i: Power / Torque
  • BMW 8 Series Gran Coupe (G16) 840d: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Gran Coupe (G26)M440i5,500-6,500 rpm1,900-5,000 rpm6,750 rpm
BMW8 Series Gran Coupe (G16)840d4,400 rpm1,750-2,250 rpm4,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW4 Series Gran Coupe (G26)M440iBMW8 Series Gran Coupe (G16)840d
Acceleration checkpoints
0-60 mph
0-97 km/h
4.8 s
4.7 s
0-100 km/h
0-62 mph
5.0 s
5.0 s
0-200 km/h
0-124 mph
17.7 s
18.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.2 s
2.1 s
330 ft
101 m
5.7 s
5.7 s
1/8 mile
201 m
8.6 s
8.6 s
1000 ft
305 m
11.1 s
11.1 s
1/4 mile
402 m
13.1 s
13.2 s
Trap speed
1/4 mile
402 m
176 km/h
109 mph
174 km/h
108 mph

Power comparison

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

Chart data table
VehicleValue
BMW4 Series Gran Coupe (G26)M440i
374 hp
279 kW
BMW8 Series Gran Coupe (G16)840d
340 hp
254 kW

BMW 4 Series Gran Coupe (G26) M440i has 34 hp more than BMW 8 Series Gran Coupe (G16) 840d.

The biggest power difference is between BMW 8 Series Gran Coupe (G16) 840d and BMW 4 Series Gran Coupe (G26) M440i: 34 hp (25 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW4 Series Gran Coupe (G26)M440i
500 Nm
369 lb-ft
BMW8 Series Gran Coupe (G16)840d
700 Nm
516 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW4 Series Gran Coupe (G26)M440i
1,765 kg
3,891 lb
BMW8 Series Gran Coupe (G16)840d
1,995 kg
4,398 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
BMW4 Series Gran Coupe (G26)M440i
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW8 Series Gran Coupe (G16)840d
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
BMW4 Series Gran Coupe (G26)M440i5.0 s
BMW8 Series Gran Coupe (G16)840d5.0 s

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
BMW4 Series Gran Coupe (G26)M440i
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
BMW8 Series Gran Coupe (G16)840d
5.9 L/100 km
39.9 mpg US
47.9 mpg UK

The biggest fuel consumption difference is between BMW 8 Series Gran Coupe (G16) 840d and BMW 4 Series Gran Coupe (G26) M440i: 2.3 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
BMW4 Series Gran Coupe (G26)M440i
212 hp/t
158 kW/t
4.7 kg/hp
BMW8 Series Gran Coupe (G16)840d
170 hp/t
127 kW/t
5.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW4 Series Gran Coupe (G26)M440i
720 km
447 mi
BMW8 Series Gran Coupe (G16)840d
1,119 km
695 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW4 Series Gran Coupe (G26)M440i
374 hp
279 kW
5.0 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW8 Series Gran Coupe (G16)840d
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
BMW4 Series Gran Coupe (G26)M440i
Power
374 hp
279 kW
0-100 km/h5.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
470 L
16.6 cu ft
Length
4,783 mm
188.3 in
Height
1,442 mm
56.8 in
BMW8 Series Gran Coupe (G16)840d
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
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
BMW4 Series Gran Coupe (G26)M440i
Power
374 hp
279 kW
0-100 km/h5.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
BMW8 Series Gran Coupe (G16)840d
Power
340 hp
254 kW
0-100 km/h5.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
5.9 L/100 km
39.9 mpg US
47.9 mpg UK

BMW 8 Series Gran Coupe (G16) 840d 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
BMW4 Series Gran Coupe (G26)M440i
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
5.0 s
BMW8 Series Gran Coupe (G16)840d
5.9 L/100 km
39.9 mpg US
47.9 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
BMW4 Series Gran Coupe (G26)M440i
212 hp/t
158 kW/t
4.7 kg/hp
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
BMW8 Series Gran Coupe (G16)840d
170 hp/t
127 kW/t
5.9 kg/hp
5.9 L/100 km
39.9 mpg US
47.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW4 Series Gran Coupe (G26)M440iBMW8 Series Gran Coupe (G16)840d
Power
374 hp
279 kW
340 hp
254 kW
Torque
500 Nm
369 lb-ft
700 Nm
516 lb-ft
Acceleration
5.0 s
5.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,765 kg
3,891 lb
1,995 kg
4,398 lb
Fuel consumption
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
5.9 L/100 km
39.9 mpg US
47.9 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
470 L
16.6 cu ft
Length
4,783 mm
188.3 in
Height
1,442 mm
56.8 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
720 km
447 mi
1,119 km
695 mi
Trunk score
470 L
16.6 cu ft
440 L
15.5 cu ft
Power-to-weight score
212 hp/t
158 kW/t
4.7 kg/hp
170 hp/t
127 kW/t
5.9 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 4 Series Gran Coupe (G26) M440iBMW 8 Series Gran Coupe (G16) 840d
Consumption8.2 L/100 km28.7 mpg US34.4 mpg UK5.9 L/100 km39.9 mpg US47.9 mpg UK
Cost / 100 km14.35 LC100 km10.33 LC100 km
Cost / 100 mi23.09 LC100 mi16.62 LC100 mi
Annual fuel used1,230 L325 US gal271 UK gal885 L234 US gal195 UK gal
Annual fuel cost2,153 LC/year1,549 LC/year

Head-to-head comparisons

BMW 4 Series Gran Coupe (G26) M440i

  • Has 34 hp more
  • Is 230 kg lighter
  • Has 41 hp/t better power-to-weight
  • Has 30 L more trunk volume

Pros

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

Cons

  • Highest combined fuel consumption

BMW 8 Series Gran Coupe (G16) 840d

  • Has 200 Nm more
  • Uses 2.3 L/100 km less fuel
  • Has 399 km (248 mi) more estimated range

Pros

  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Lowest power
  • Heaviest
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 4 Series Gran Coupe (G26) M440i
BMW 8 Series Gran Coupe (G16) 840d
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