Car comparison

BMW 4 Series Coupe (F32) · Facelift 2017 420ivsBMW 4 Series Coupe (F32) 420i

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

New comparison

BMW 4 Series Coupe (F32) · Facelift 2017

420i

184 hp1998 ccGasolineRWDAutomaticTurbochargedCoupe2017-2020
VS

BMW 4 Series Coupe (F32)

420i

184 hp1997 ccGasolineAWDAutomaticTurbochargedCoupe2013-2016

Comparison overview

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

Best choices

BMW 4 Series Coupe (F32) Facelift 2017 420i RWD

  • Quickest 0-100 km/h
    7.5 s
  • Fastest top speed
    236 km/h
    147 mph
  • Most powerful
    184 hp
    137 kW
  • Highest torque
    270 Nm
    199 lb-ft
  • Lightest
    1,495 kg
    3,296 lb
  • Best power-to-weight
    123 hp/t
    92 kW/t
    8.1 kg/hp
  • Lowest combined fuel consumption
    5.8 L/100 km
    40.6 mpg US
    48.7 mpg UK
  • Lowest city consumption
    7.6 L/100 km
    30.9 mpg US
    37.2 mpg UK
  • Lowest highway consumption
    4.7 L/100 km
    50.0 mpg US
    60.1 mpg UK
  • Lowest CO2 emissions
    134 g/km
  • Best estimated range
    1,034 km
    643 mi
  • Largest trunk
    445 L
  • Best overall score
    51/100
  • Best performance score
    50/100
  • Best economy score
    91/100
  • Best practicality score
    53/100

Specification comparison

Specification comparison
ModelBMW4 Series Coupe (F32)Facelift 2017420iRWDBMW4 Series Coupe (F32)420iAWD
Power
184hp137kW
184hp137kW
Torque
270Nm199lb-ft
270Nm199lb-ft
Curb weight
1,495kg3,296lb
1,530kg3,373lb
Gross weight
2,015kg4,442lb
2,050kg4,519lb
Top speed
236 km/h
147 mph
231 km/h
144 mph
To 99% top speed
94.3s99% target: 234 km/h / 145 mph
Calculated
93.5s99% target: 229 km/h / 142 mph
Calculated
0-100 km/h
7.5s
7.5s
0-200 km/h
32.4s
Calculated
34.4s
Calculated
0-60 mph
7.1s
Calculated
7.1s
Calculated
Fuel consumption
5.8L/100 km40.6mpg US48.7mpg UK
6.5L/100 km36.2mpg US43.5mpg UK
Fuel consumption city
7.6L/100 km30.9mpg US37.2mpg UK
8.8L/100 km26.7mpg US32.1mpg UK
Fuel consumption highway
4.7L/100 km50mpg US60.1mpg UK
5.2L/100 km45.2mpg US54.3mpg UK
Quarter mile
15.4s
Calculated
15.4s
Calculated
Power-to-weight
123hp/t92kW/t56hp/1000 lb
Calculated
120hp/t90kW/t55hp/1000 lb
Calculated
Torque-to-weight
181Nm/t121lb-ft/ton
Calculated
176Nm/t118lb-ft/ton
Calculated
Estimated range
1,034km643mi
Calculated
923km574mi
Calculated
Displacement
1,998cc122cu in
1,997cc122cu in
Length
4,640mm183in
4,638mm183in
Width
1,825mm72in
1,825mm72in
Height
1,377mm54in
1,392mm55in
Wheelbase
2,810mm111in
2,810mm111in
Front track
1,547mm61in
1,545mm61in
Rear track
1,593mm63in
1,594mm63in
Ground clearance
130mm5in
145mm6in
Trunk volume
445L
445L
Doors
2
2
Seats
4
4
Fuel tank
60L
60L
CO2 emissions
134g/km
152g/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 420i RWDBMW 4 Series Coupe (F32) 420i AWDPowerTorque
  • BMW 4 Series Coupe (F32) Facelift 2017 420i RWD: Power / Torque
  • BMW 4 Series Coupe (F32) 420i AWD: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Coupe (F32)Facelift 2017420iRWD5,000 rpm1,350-4,600 rpm5,250 rpm
BMW4 Series Coupe (F32)420iAWD5,000-6,250 rpm1,250-4,500 rpm6,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW4 Series Coupe (F32)Facelift 2017420iRWDBMW4 Series Coupe (F32)420iAWD
Acceleration checkpoints
0-60 mph
0-97 km/h
7.1 s
7.1 s
0-100 km/h
0-62 mph
7.5 s
7.5 s
0-200 km/h
0-124 mph
32.4 s
34.4 s
Top speed
236 km/h
147 mph
231 km/h
144 mph
Drag race simulation
60 ft
18 m
2.5 s
2.5 s
330 ft
101 m
6.7 s
6.6 s
1/8 mile
201 m
10.1 s
10.0 s
1000 ft
305 m
13.0 s
13.0 s
1/4 mile
402 m
15.4 s
15.4 s
Trap speed
1/4 mile
402 m
150 km/h
93 mph
149 km/h
92 mph

Power comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (F32)Facelift 2017420iRWD
184 hp
137 kW
BMW4 Series Coupe (F32)420iAWD
184 hp
137 kW

Torque comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (F32)Facelift 2017420iRWD
270 Nm
199 lb-ft
BMW4 Series Coupe (F32)420iAWD
270 Nm
199 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 2017420iRWD
1,495 kg
3,296 lb
BMW4 Series Coupe (F32)420iAWD
1,530 kg
3,373 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 2017420iRWD
236 km/h
147 mph
BMW4 Series Coupe (F32)420iAWD
231 km/h
144 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 2017420iRWD7.5 s
BMW4 Series Coupe (F32)420iAWD7.5 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 2017420iRWD
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
BMW4 Series Coupe (F32)420iAWD
6.5 L/100 km
36.2 mpg US
43.5 mpg UK

The biggest fuel consumption difference is between BMW 4 Series Coupe (F32) Facelift 2017 420i RWD and BMW 4 Series Coupe (F32) 420i AWD: 0.7 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 2017420iRWD
123 hp/t
92 kW/t
8.1 kg/hp
BMW4 Series Coupe (F32)420iAWD
120 hp/t
90 kW/t
8.3 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 2017420iRWD
1,034 km
643 mi
BMW4 Series Coupe (F32)420iAWD
923 km
574 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW4 Series Coupe (F32)Facelift 2017420iRWD
184 hp
137 kW
7.5 s
236 km/h
147 mph
BMW4 Series Coupe (F32)420iAWD
184 hp
137 kW
7.5 s
231 km/h
144 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 2017420iRWD
Power
184 hp
137 kW
0-100 km/h7.5 s
Top speed
236 km/h
147 mph
Doors/seats
2 doors
4 seats
Trunk
445 L
15.7 cu ft
Length
4,640 mm
182.7 in
Height
1,377 mm
54.2 in
BMW4 Series Coupe (F32)420iAWD
Power
184 hp
137 kW
0-100 km/h7.5 s
Top speed
231 km/h
144 mph
Doors/seats
2 doors
4 seats
Trunk
445 L
15.7 cu ft
Length
4,638 mm
182.6 in
Height
1,392 mm
54.8 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 2017420iRWD
Power
184 hp
137 kW
0-100 km/h7.5 s
Top speed
236 km/h
147 mph
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
BMW4 Series Coupe (F32)420iAWD
Power
184 hp
137 kW
0-100 km/h7.5 s
Top speed
231 km/h
144 mph
6.5 L/100 km
36.2 mpg US
43.5 mpg UK

BMW 4 Series Coupe (F32) Facelift 2017 420i RWD 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 2017420iRWD
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
7.5 s
BMW4 Series Coupe (F32)420iAWD
6.5 L/100 km
36.2 mpg US
43.5 mpg UK
7.5 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 2017420iRWD
123 hp/t
92 kW/t
8.1 kg/hp
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
BMW4 Series Coupe (F32)420iAWD
120 hp/t
90 kW/t
8.3 kg/hp
6.5 L/100 km
36.2 mpg US
43.5 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW4 Series Coupe (F32)Facelift 2017420iRWDBMW4 Series Coupe (F32)420iAWD
Power
184 hp
137 kW
184 hp
137 kW
Torque
270 Nm
199 lb-ft
270 Nm
199 lb-ft
Acceleration
7.5 s
7.5 s
Top speed
236 km/h
147 mph
231 km/h
144 mph
Lightness
1,495 kg
3,296 lb
1,530 kg
3,373 lb
Fuel consumption
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
6.5 L/100 km
36.2 mpg US
43.5 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
445 L
15.7 cu ft
Length
4,640 mm
182.7 in
Height
1,377 mm
54.2 in
Doors/seats
2 doors
4 seats
Trunk
445 L
15.7 cu ft
Length
4,638 mm
182.6 in
Height
1,392 mm
54.8 in
Range score
1,034 km
643 mi
923 km
574 mi
CO2 score
134 g/km
152 g/km
Trunk score
445 L
15.7 cu ft
445 L
15.7 cu ft
Power-to-weight score
123 hp/t
92 kW/t
8.1 kg/hp
120 hp/t
90 kW/t
8.3 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 420i RWDBMW 4 Series Coupe (F32) 420i AWD
Consumption5.8 L/100 km40.6 mpg US48.7 mpg UK6.5 L/100 km36.2 mpg US43.5 mpg UK
Cost / 100 km10.15 LC100 km11.38 LC100 km
Cost / 100 mi16.33 LC100 mi18.31 LC100 mi
Annual fuel used870 L230 US gal191 UK gal975 L258 US gal214 UK gal
Annual fuel cost1,523 LC/year1,706 LC/year

Head-to-head comparisons

BMW 4 Series Coupe (F32) Facelift 2017 420i RWD

  • Is 35 kg lighter
  • Has 5 km/h (3 mph) higher top speed
  • Uses 0.7 L/100 km less fuel
  • Has 3 hp/t better power-to-weight
  • Has 111 km (69 mi) more estimated range
  • Emits 18 g/km less CO2

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
  • Largest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 4 Series Coupe (F32) 420i
BMW 4 Series Coupe (F32) 420i
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BMW 4 Series Coupe (F32) · Facelift 2017 420i vs BMW 4 Series Coupe (F32) 420i - car comparison - FastVsFaster