Car comparison

BMW 4 Series Gran Coupe (F36) · Facelift 2017 420ivsBMW 4 Series Coupe (F32) 420d

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

New comparison

BMW 4 Series Gran Coupe (F36) · Facelift 2017

420i

184 hp1998 ccGasolineRWDManualTurbochargedCoupe2017-2021
VS

BMW 4 Series Coupe (F32)

420d

184 hp1995 ccDieselAWDAutomaticTurbochargedCoupe2013-2015

Comparison overview

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

Best choices

BMW 4 Series Coupe (F32) 420d

  • Quickest 0-100 km/h
    7.3 s
  • Highest torque
    380 Nm
    280 lb-ft
  • Lowest combined fuel consumption
    4.9 L/100 km
    48.0 mpg US
    57.6 mpg UK
  • Lowest city consumption
    5.8 L/100 km
    40.6 mpg US
    48.7 mpg UK
  • Lowest highway consumption
    4.3 L/100 km
    54.7 mpg US
    65.7 mpg UK
  • Lowest CO2 emissions
    128 g/km
  • Best estimated range
    1,163 km
    723 mi
  • Best performance score
    52/100
  • Best economy score
    94/100

BMW 4 Series Gran Coupe (F36) Facelift 2017 420i

  • Fastest top speed
    236 km/h
    147 mph
  • Most powerful
    184 hp
    137 kW
  • Lightest
    1,520 kg
    3,351 lb
  • Best power-to-weight
    121 hp/t
    90 kW/t
    8.3 kg/hp
  • Largest trunk
    480 L
  • Best overall score
    55/100
  • Best practicality score
    65/100

Specification comparison

Specification comparison
ModelBMW4 Series Gran Coupe (F36)Facelift 2017420iBMW4 Series Coupe (F32)420d
Power
184hp137kW
184hp137kW
Torque
290Nm214lb-ft
380Nm280lb-ft
Curb weight
1,520kg3,351lb
1,540kg3,395lb
Gross weight
2,080kg4,586lb
2,060kg4,542lb
Top speed
236 km/h
147 mph
229 km/h
142 mph
To 99% top speed
95.1s99% target: 234 km/h / 145 mph
Calculated
88.6s99% target: 227 km/h / 141 mph
Calculated
0-100 km/h
7.5s
7.3s
0-200 km/h
32.6s
Calculated
33.9s
Calculated
0-60 mph
7.1s
Calculated
6.9s
Calculated
Fuel consumption
6.1L/100 km38.6mpg US46.3mpg UK
4.9L/100 km48mpg US57.6mpg UK
Fuel consumption city
8.1L/100 km29mpg US34.9mpg UK
5.8L/100 km40.6mpg US48.7mpg UK
Fuel consumption highway
4.9L/100 km48mpg US57.6mpg UK
4.3L/100 km54.7mpg US65.7mpg UK
Quarter mile
15.4s
Calculated
15.3s
Calculated
Power-to-weight
121hp/t90kW/t55hp/1000 lb
Calculated
119hp/t89kW/t54hp/1000 lb
Calculated
Torque-to-weight
191Nm/t128lb-ft/ton
Calculated
247Nm/t165lb-ft/ton
Calculated
Estimated range
984km611mi
Calculated
1,163km723mi
Calculated
Displacement
1,998cc122cu in
1,995cc122cu in
Length
4,640mm183in
4,638mm183in
Width
1,825mm72in
1,825mm72in
Height
1,389mm55in
1,392mm55in
Wheelbase
2,810mm111in
2,810mm111in
Front track
1,545mm61in
1,545mm61in
Rear track
1,592mm63in
1,594mm63in
Ground clearance
130mm5in
145mm6in
Trunk volume
480L
445L
Max trunk volume
1,300L
-
Doors
4
2
Seats
5
4
Fuel tank
60L
57L
CO2 emissions
141g/km
128g/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 Gran Coupe (F36) Facelift 2017 420iBMW 4 Series Coupe (F32) 420dPowerTorque
  • BMW 4 Series Gran Coupe (F36) Facelift 2017 420i: Power / Torque
  • BMW 4 Series Coupe (F32) 420d: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Gran Coupe (F36)Facelift 2017420i5,000 rpm1,350-4,600 rpm5,250 rpm
BMW4 Series Coupe (F32)420d4,000 rpm1,750-2,500 rpm4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW4 Series Gran Coupe (F36)Facelift 2017420iBMW4 Series Coupe (F32)420d
Acceleration checkpoints
0-60 mph
0-97 km/h
7.1 s
6.9 s
0-100 km/h
0-62 mph
7.5 s
7.3 s
0-200 km/h
0-124 mph
32.6 s
33.9 s
Top speed
236 km/h
147 mph
229 km/h
142 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
10.0 s
9.9 s
1000 ft
305 m
13.0 s
12.8 s
1/4 mile
402 m
15.4 s
15.3 s
Trap speed
1/4 mile
402 m
150 km/h
93 mph
150 km/h
93 mph

Power comparison

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

Chart data table
VehicleValue
BMW4 Series Gran Coupe (F36)Facelift 2017420i
184 hp
137 kW
BMW4 Series Coupe (F32)420d
184 hp
137 kW

Torque comparison

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

Chart data table
VehicleValue
BMW4 Series Gran Coupe (F36)Facelift 2017420i
290 Nm
214 lb-ft
BMW4 Series Coupe (F32)420d
380 Nm
280 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW4 Series Gran Coupe (F36)Facelift 2017420i
1,520 kg
3,351 lb
BMW4 Series Coupe (F32)420d
1,540 kg
3,395 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 (F36)Facelift 2017420i
236 km/h
147 mph
BMW4 Series Coupe (F32)420d
229 km/h
142 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 (F36)Facelift 2017420i7.5 s
BMW4 Series Coupe (F32)420d7.3 s

The biggest 0-100 km/h difference is between BMW 4 Series Coupe (F32) 420d and BMW 4 Series Gran Coupe (F36) Facelift 2017 420i: 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 Gran Coupe (F36)Facelift 2017420i
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
BMW4 Series Coupe (F32)420d
4.9 L/100 km
48.0 mpg US
57.6 mpg UK

The biggest fuel consumption difference is between BMW 4 Series Coupe (F32) 420d and BMW 4 Series Gran Coupe (F36) Facelift 2017 420i: 1.2 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 (F36)Facelift 2017420i
121 hp/t
90 kW/t
8.3 kg/hp
BMW4 Series Coupe (F32)420d
119 hp/t
89 kW/t
8.4 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW4 Series Gran Coupe (F36)Facelift 2017420i
984 km
611 mi
BMW4 Series Coupe (F32)420d
1,163 km
723 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW4 Series Gran Coupe (F36)Facelift 2017420i
184 hp
137 kW
7.5 s
236 km/h
147 mph
BMW4 Series Coupe (F32)420d
184 hp
137 kW
7.3 s
229 km/h
142 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 (F36)Facelift 2017420i
Power
184 hp
137 kW
0-100 km/h7.5 s
Top speed
236 km/h
147 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
BMW4 Series Coupe (F32)420d
Power
184 hp
137 kW
0-100 km/h7.3 s
Top speed
229 km/h
142 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 Gran Coupe (F36)Facelift 2017420i
Power
184 hp
137 kW
0-100 km/h7.5 s
Top speed
236 km/h
147 mph
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
BMW4 Series Coupe (F32)420d
Power
184 hp
137 kW
0-100 km/h7.3 s
Top speed
229 km/h
142 mph
4.9 L/100 km
48.0 mpg US
57.6 mpg UK

BMW 4 Series Coupe (F32) 420d 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 (F36)Facelift 2017420i
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
7.5 s
BMW4 Series Coupe (F32)420d
4.9 L/100 km
48.0 mpg US
57.6 mpg UK
7.3 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 (F36)Facelift 2017420i
121 hp/t
90 kW/t
8.3 kg/hp
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
BMW4 Series Coupe (F32)420d
119 hp/t
89 kW/t
8.4 kg/hp
4.9 L/100 km
48.0 mpg US
57.6 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW4 Series Gran Coupe (F36)Facelift 2017420iBMW4 Series Coupe (F32)420d
Power
184 hp
137 kW
184 hp
137 kW
Torque
290 Nm
214 lb-ft
380 Nm
280 lb-ft
Acceleration
7.5 s
7.3 s
Top speed
236 km/h
147 mph
229 km/h
142 mph
Lightness
1,520 kg
3,351 lb
1,540 kg
3,395 lb
Fuel consumption
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
4.9 L/100 km
48.0 mpg US
57.6 mpg UK
Practicality
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
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
984 km
611 mi
1,163 km
723 mi
CO2 score
141 g/km
128 g/km
Trunk score
480 L
17.0 cu ft
445 L
15.7 cu ft
Power-to-weight score
121 hp/t
90 kW/t
8.3 kg/hp
119 hp/t
89 kW/t
8.4 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 (F36) Facelift 2017 420iBMW 4 Series Coupe (F32) 420d
Consumption6.1 L/100 km38.6 mpg US46.3 mpg UK4.9 L/100 km48 mpg US57.6 mpg UK
Cost / 100 km10.67 LC100 km8.58 LC100 km
Cost / 100 mi17.18 LC100 mi13.80 LC100 mi
Annual fuel used915 L242 US gal201 UK gal735 L194 US gal162 UK gal
Annual fuel cost1,601 LC/year1,286 LC/year

Head-to-head comparisons

BMW 4 Series Gran Coupe (F36) Facelift 2017 420i

  • Is 20 kg lighter
  • Has 7 km/h (4 mph) higher top speed
  • Has 2 hp/t better power-to-weight
  • Has 35 L more trunk volume

Pros

  • Highest top speed
  • Most powerful
  • Lightest
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Highest CO2 emissions

BMW 4 Series Coupe (F32) 420d

  • Has 90 Nm more
  • Is 0.2 s quicker from 0-100 km/h
  • Uses 1.2 L/100 km less fuel
  • Has 180 km (112 mi) more estimated range
  • Emits 13 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Heaviest
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 4 Series Gran Coupe (F36) 420i
BMW 4 Series Coupe (F32) 420d
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