Car comparison

BMW 4 Series Coupe (F32) · Facelift 2017 440ivsBMW 8 Series (G15) 840i

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

New comparison

BMW 4 Series Coupe (F32) · Facelift 2017

440i

326 hp2998 ccGasolineAWDManualTurbochargedCoupe2017-2020
VS

BMW 8 Series (G15)

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

  • Most powerful
    333 hp
    248 kW
  • Highest torque
    500 Nm
    369 lb-ft
  • 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

BMW 4 Series Coupe (F32) Facelift 2017 440i

  • Quickest 0-100 km/h
    5.0 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Lightest
    1,610 kg
    3,549 lb
  • Best power-to-weight
    202 hp/t
    151 kW/t
    4.9 kg/hp
  • Largest trunk
    445 L
  • Best overall score
    64/100
  • Best practicality score
    53/100

Specification comparison

Specification comparison
ModelBMW4 Series Coupe (F32)Facelift 2017440iBMW8 Series (G15)840i
Power
326hp243kW
333hp248kW
Torque
450Nm332lb-ft
500Nm369lb-ft
Curb weight
1,610kg3,549lb
1,730kg3,814lb
Gross weight
2,130kg4,696lb
2,225kg4,905lb
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
69.9s99% target: 262 km/h / 163 mph
Calculated
72.6s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
5.0s
5.2s
0-200 km/h
17.6s
Calculated
18.4s
Calculated
0-60 mph
4.8s
Calculated
4.9s
Calculated
Fuel consumption
7.9L/100 km29.8mpg US35.8mpg UK
7.3L/100 km32.2mpg US38.7mpg UK
Fuel consumption city
10.7L/100 km22mpg US26.4mpg UK
9.5L/100 km24.8mpg US29.7mpg UK
Fuel consumption highway
6.3L/100 km37.3mpg US44.8mpg UK
6L/100 km39.2mpg US47.1mpg UK
Quarter mile
13.1s
Calculated
13.3s
Calculated
Power-to-weight
202hp/t151kW/t92hp/1000 lb
Calculated
192hp/t144kW/t87hp/1000 lb
Calculated
Torque-to-weight
280Nm/t187lb-ft/ton
Calculated
289Nm/t193lb-ft/ton
Calculated
Estimated range
759km472mi
Calculated
932km579mi
Calculated
Displacement
2,998cc183cu in
2,998cc183cu in
Length
4,640mm183in
4,843mm191in
Width
1,825mm72in
1,902mm75in
Height
1,392mm55in
1,341mm53in
Wheelbase
2,810mm111in
2,822mm111in
Front track
1,543mm61in
1,627mm64in
Rear track
1,589mm63in
1,642mm65in
Ground clearance
145mm6in
121mm5in
Trunk volume
445L
420L
Doors
2
2
Seats
4
4
Fuel tank
60L
68L
CO2 emissions
185g/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 4 Series Coupe (F32) Facelift 2017 440iBMW 8 Series (G15) 840iPowerTorque
  • BMW 4 Series Coupe (F32) Facelift 2017 440i: Power / Torque
  • BMW 8 Series (G15) 840i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Coupe (F32)Facelift 2017440i5,500 rpm1,380-5,000 rpm5,750 rpm
BMW8 Series (G15)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
MetricBMW4 Series Coupe (F32)Facelift 2017440iBMW8 Series (G15)840i
Acceleration checkpoints
0-60 mph
0-97 km/h
4.8 s
4.9 s
0-100 km/h
0-62 mph
5.0 s
5.2 s
0-200 km/h
0-124 mph
17.6 s
18.4 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
5.7 s
5.8 s
1/8 mile
201 m
8.6 s
8.7 s
1000 ft
305 m
11.1 s
11.2 s
1/4 mile
402 m
13.1 s
13.3 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 Coupe (F32)Facelift 2017440i
326 hp
243 kW
BMW8 Series (G15)840i
333 hp
248 kW

BMW 8 Series (G15) 840i has 7 hp more than BMW 4 Series Coupe (F32) Facelift 2017 440i.

The biggest power difference is between BMW 4 Series Coupe (F32) 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
BMW4 Series Coupe (F32)Facelift 2017440i
450 Nm
332 lb-ft
BMW8 Series (G15)840i
500 Nm
369 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (F32)Facelift 2017440i
1,610 kg
3,549 lb
BMW8 Series (G15)840i
1,730 kg
3,814 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 Coupe (F32)Facelift 2017440i
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW8 Series (G15)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
BMW4 Series Coupe (F32)Facelift 2017440i5.0 s
BMW8 Series (G15)840i5.2 s

Although BMW 8 Series (G15) 840i has more power, BMW 4 Series Coupe (F32) Facelift 2017 440i is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between BMW 4 Series Coupe (F32) Facelift 2017 440i and BMW 8 Series (G15) 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
BMW4 Series Coupe (F32)Facelift 2017440i
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
BMW8 Series (G15)840i
7.3 L/100 km
32.2 mpg US
38.7 mpg UK

The biggest fuel consumption difference is between BMW 8 Series (G15) 840i and BMW 4 Series Coupe (F32) Facelift 2017 440i: 0.6 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 Coupe (F32)Facelift 2017440i
202 hp/t
151 kW/t
4.9 kg/hp
BMW8 Series (G15)840i
192 hp/t
144 kW/t
5.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (F32)Facelift 2017440i
759 km
472 mi
BMW8 Series (G15)840i
932 km
579 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW4 Series Coupe (F32)Facelift 2017440i
326 hp
243 kW
5.0 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW8 Series (G15)840i
333 hp
248 kW
5.2 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 Coupe (F32)Facelift 2017440i
Power
326 hp
243 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
445 L
15.7 cu ft
Length
4,640 mm
182.7 in
Height
1,392 mm
54.8 in
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

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 Coupe (F32)Facelift 2017440i
Power
326 hp
243 kW
0-100 km/h5.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
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

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
BMW4 Series Coupe (F32)Facelift 2017440i
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
5.0 s
BMW8 Series (G15)840i
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
5.2 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 Coupe (F32)Facelift 2017440i
202 hp/t
151 kW/t
4.9 kg/hp
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
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

Detailed score breakdown

Detailed score breakdown
VehicleBMW4 Series Coupe (F32)Facelift 2017440iBMW8 Series (G15)840i
Power
326 hp
243 kW
333 hp
248 kW
Torque
450 Nm
332 lb-ft
500 Nm
369 lb-ft
Acceleration
5.0 s
5.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,610 kg
3,549 lb
1,730 kg
3,814 lb
Fuel consumption
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
7.3 L/100 km
32.2 mpg US
38.7 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
445 L
15.7 cu ft
Length
4,640 mm
182.7 in
Height
1,392 mm
54.8 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
759 km
472 mi
932 km
579 mi
CO2 score
185 g/km
-
Trunk score
445 L
15.7 cu ft
420 L
14.8 cu ft
Power-to-weight score
202 hp/t
151 kW/t
4.9 kg/hp
192 hp/t
144 kW/t
5.2 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 Coupe (F32) Facelift 2017 440iBMW 8 Series (G15) 840i
Consumption7.9 L/100 km29.8 mpg US35.8 mpg UK7.3 L/100 km32.2 mpg US38.7 mpg UK
Cost / 100 km13.83 LC100 km12.78 LC100 km
Cost / 100 mi22.25 LC100 mi20.56 LC100 mi
Annual fuel used1,185 L313 US gal261 UK gal1,095 L289 US gal241 UK gal
Annual fuel cost2,074 LC/year1,916 LC/year

Head-to-head comparisons

BMW 4 Series Coupe (F32) Facelift 2017 440i

  • Is 120 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Has 10 hp/t better power-to-weight
  • Has 25 L more trunk volume

Pros

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

Cons

  • Lowest power
  • Highest combined fuel consumption

BMW 8 Series (G15) 840i

  • Has 7 hp more
  • Has 50 Nm more
  • Uses 0.6 L/100 km less fuel
  • Has 172 km (107 mi) more estimated range

Pros

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

Cons

  • Slowest 0-100 km/h
  • Heaviest
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 4 Series Coupe (F32) 440i
BMW 8 Series (G15) 840i
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2 vehicles selected

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BMW 4 Series Coupe (F32) · Facelift 2017 440i vs BMW 8 Series (G15) 840i - car comparison - FastVsFaster