Car comparison

BMW 4 Series Coupe (F32) · Facelift 2017 420ivsBMW 4 Series Coupe (F32) 418d

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 ccGasolineAWDManualTurbochargedCoupe2017-2020
VS

BMW 4 Series Coupe (F32)

418d

150 hp1995 ccDieselRWDManualTurbochargedCoupe2015-2016

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

  • Quickest 0-100 km/h
    7.6 s
  • Fastest top speed
    233 km/h
    145 mph
  • Most powerful
    184 hp
    137 kW
  • Best power-to-weight
    118 hp/t
    88 kW/t
    8.5 kg/hp
  • Largest trunk
    445 L
  • Best overall score
    50/100
  • Best performance score
    49/100
  • Best practicality score
    53/100

BMW 4 Series Coupe (F32) 418d

  • Highest torque
    320 Nm
    236 lb-ft
  • Lightest
    1,460 kg
    3,219 lb
  • Lowest combined fuel consumption
    4.5 L/100 km
    52.3 mpg US
    62.8 mpg UK
  • Lowest city consumption
    5.4 L/100 km
    43.6 mpg US
    52.3 mpg UK
  • Lowest highway consumption
    3.9 L/100 km
    60.3 mpg US
    72.4 mpg UK
  • Lowest CO2 emissions
    118 g/km
  • Best estimated range
    1,267 km
    787 mi
  • Best economy score
    95/100

Specification comparison

Specification comparison
ModelBMW4 Series Coupe (F32)Facelift 2017420iBMW4 Series Coupe (F32)418d
Power
184hp137kW
150hp112kW
Torque
270Nm199lb-ft
320Nm236lb-ft
Curb weight
1,560kg3,439lb
1,460kg3,219lb
Gross weight
2,080kg4,586lb
1,980kg4,365lb
Top speed
233 km/h
145 mph
215 km/h
134 mph
To 99% top speed
96.7s99% target: 231 km/h / 143 mph
Calculated
94.0s99% target: 213 km/h / 132 mph
Calculated
0-100 km/h
7.6s
8.6s
0-200 km/h
34.4s
Calculated
48.8s
Calculated
0-60 mph
7.2s
Calculated
8.1s
Calculated
Fuel consumption
6.9L/100 km34.1mpg US40.9mpg UK
4.5L/100 km52.3mpg US62.8mpg UK
Fuel consumption city
9L/100 km26.1mpg US31.4mpg UK
5.4L/100 km43.6mpg US52.3mpg UK
Fuel consumption highway
5.7L/100 km41.3mpg US49.6mpg UK
3.9L/100 km60.3mpg US72.4mpg UK
Quarter mile
15.5s
Calculated
16.2s
Calculated
Power-to-weight
118hp/t88kW/t54hp/1000 lb
Calculated
103hp/t77kW/t47hp/1000 lb
Calculated
Torque-to-weight
173Nm/t116lb-ft/ton
Calculated
219Nm/t147lb-ft/ton
Calculated
Estimated range
870km540mi
Calculated
1,267km787mi
Calculated
Displacement
1,998cc122cu in
1,995cc122cu in
Length
4,640mm183in
4,638mm183in
Width
1,825mm72in
1,825mm72in
Height
1,392mm55in
1,377mm54in
Wheelbase
2,810mm111in
2,810mm111in
Front track
1,543mm61in
1,545mm61in
Rear track
1,589mm63in
1,594mm63in
Ground clearance-
130mm5in
Trunk volume
445L
445L
Doors
2
2
Seats
4
4
Fuel tank
60L
57L
CO2 emissions
161g/km
118g/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 420iBMW 4 Series Coupe (F32) 418dPowerTorque
  • BMW 4 Series Coupe (F32) Facelift 2017 420i: Power / Torque
  • BMW 4 Series Coupe (F32) 418d: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Coupe (F32)Facelift 2017420i5,000 rpm1,350-4,600 rpm5,250 rpm
BMW4 Series Coupe (F32)418d4,000 rpm1,500-3,000 rpm4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW4 Series Coupe (F32)Facelift 2017420iBMW4 Series Coupe (F32)418d
Acceleration checkpoints
0-60 mph
0-97 km/h
7.2 s
8.1 s
0-100 km/h
0-62 mph
7.6 s
8.6 s
0-200 km/h
0-124 mph
34.4 s
48.8 s
Top speed
233 km/h
145 mph
215 km/h
134 mph
Drag race simulation
60 ft
18 m
2.5 s
2.6 s
330 ft
101 m
6.7 s
7.0 s
1/8 mile
201 m
10.1 s
10.6 s
1000 ft
305 m
13.0 s
13.7 s
1/4 mile
402 m
15.5 s
16.2 s
Trap speed
1/4 mile
402 m
148 km/h
92 mph
141 km/h
87 mph

Power comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (F32)Facelift 2017420i
184 hp
137 kW
BMW4 Series Coupe (F32)418d
150 hp
112 kW

BMW 4 Series Coupe (F32) Facelift 2017 420i has 34 hp more than BMW 4 Series Coupe (F32) 418d.

The biggest power difference is between BMW 4 Series Coupe (F32) 418d and BMW 4 Series Coupe (F32) Facelift 2017 420i: 34 hp (25 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (F32)Facelift 2017420i
270 Nm
199 lb-ft
BMW4 Series Coupe (F32)418d
320 Nm
236 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 2017420i
1,560 kg
3,439 lb
BMW4 Series Coupe (F32)418d
1,460 kg
3,219 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 2017420i
233 km/h
145 mph
BMW4 Series Coupe (F32)418d
215 km/h
134 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 2017420i7.6 s
BMW4 Series Coupe (F32)418d8.6 s

The biggest 0-100 km/h difference is between BMW 4 Series Coupe (F32) Facelift 2017 420i and BMW 4 Series Coupe (F32) 418d: 1.0 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 Coupe (F32)Facelift 2017420i
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
BMW4 Series Coupe (F32)418d
4.5 L/100 km
52.3 mpg US
62.8 mpg UK

The biggest fuel consumption difference is between BMW 4 Series Coupe (F32) 418d and BMW 4 Series Coupe (F32) Facelift 2017 420i: 2.4 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 2017420i
118 hp/t
88 kW/t
8.5 kg/hp
BMW4 Series Coupe (F32)418d
103 hp/t
77 kW/t
9.7 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 2017420i
870 km
540 mi
BMW4 Series Coupe (F32)418d
1,267 km
787 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW4 Series Coupe (F32)Facelift 2017420i
184 hp
137 kW
7.6 s
233 km/h
145 mph
BMW4 Series Coupe (F32)418d
150 hp
112 kW
8.6 s
215 km/h
134 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 2017420i
Power
184 hp
137 kW
0-100 km/h7.6 s
Top speed
233 km/h
145 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
BMW4 Series Coupe (F32)418d
Power
150 hp
112 kW
0-100 km/h8.6 s
Top speed
215 km/h
134 mph
Doors/seats
2 doors
4 seats
Trunk
445 L
15.7 cu ft
Length
4,638 mm
182.6 in
Height
1,377 mm
54.2 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 Coupe (F32)Facelift 2017420i
Power
184 hp
137 kW
0-100 km/h7.6 s
Top speed
233 km/h
145 mph
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
BMW4 Series Coupe (F32)418d
Power
150 hp
112 kW
0-100 km/h8.6 s
Top speed
215 km/h
134 mph
4.5 L/100 km
52.3 mpg US
62.8 mpg UK

BMW 4 Series Coupe (F32) Facelift 2017 420i 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 2017420i
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
7.6 s
BMW4 Series Coupe (F32)418d
4.5 L/100 km
52.3 mpg US
62.8 mpg UK
8.6 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 2017420i
118 hp/t
88 kW/t
8.5 kg/hp
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
BMW4 Series Coupe (F32)418d
103 hp/t
77 kW/t
9.7 kg/hp
4.5 L/100 km
52.3 mpg US
62.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW4 Series Coupe (F32)Facelift 2017420iBMW4 Series Coupe (F32)418d
Power
184 hp
137 kW
150 hp
112 kW
Torque
270 Nm
199 lb-ft
320 Nm
236 lb-ft
Acceleration
7.6 s
8.6 s
Top speed
233 km/h
145 mph
215 km/h
134 mph
Lightness
1,560 kg
3,439 lb
1,460 kg
3,219 lb
Fuel consumption
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
4.5 L/100 km
52.3 mpg US
62.8 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
445 L
15.7 cu ft
Length
4,638 mm
182.6 in
Height
1,377 mm
54.2 in
Range score
870 km
540 mi
1,267 km
787 mi
CO2 score
161 g/km
118 g/km
Trunk score
445 L
15.7 cu ft
445 L
15.7 cu ft
Power-to-weight score
118 hp/t
88 kW/t
8.5 kg/hp
103 hp/t
77 kW/t
9.7 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 420iBMW 4 Series Coupe (F32) 418d
Consumption6.9 L/100 km34.1 mpg US40.9 mpg UK4.5 L/100 km52.3 mpg US62.8 mpg UK
Cost / 100 km12.08 LC100 km7.88 LC100 km
Cost / 100 mi19.43 LC100 mi12.67 LC100 mi
Annual fuel used1,035 L273 US gal228 UK gal675 L178 US gal148 UK gal
Annual fuel cost1,811 LC/year1,181 LC/year

Head-to-head comparisons

BMW 4 Series Coupe (F32) Facelift 2017 420i

  • Has 34 hp more
  • Is 1.0 s quicker from 0-100 km/h
  • Has 18 km/h (11 mph) higher top speed
  • Has 15 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Highest CO2 emissions

BMW 4 Series Coupe (F32) 418d

  • Has 50 Nm more
  • Is 100 kg lighter
  • Uses 2.4 L/100 km less fuel
  • Has 397 km (247 mi) more estimated range
  • Emits 43 g/km less CO2

Pros

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

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 4 Series Coupe (F32) 420i
BMW 4 Series Coupe (F32) 418d
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BMW 4 Series Coupe (F32) · Facelift 2017 420i vs BMW 4 Series Coupe (F32) 418d - car comparison - FastVsFaster