Car comparison

BMW 4 Series Gran Coupe (F36) 420dvsBMW 4 Series Coupe (F32) 420i

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

New comparison

BMW 4 Series Gran Coupe (F36)

420d

184 hp1995 ccDieselRWDManualTurbochargedCoupe2014-2015
VS

BMW 4 Series Coupe (F32)

420i

184 hp1997 ccGasolineAWDManualTurbochargedCoupe2013-2016

Comparison overview

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

Best choices

BMW 4 Series Gran Coupe (F36) 420d

  • Fastest top speed
    236 km/h
    147 mph
  • Most powerful
    184 hp
    137 kW
  • Highest torque
    380 Nm
    280 lb-ft
  • Lightest
    1,510 kg
    3,329 lb
  • Best power-to-weight
    122 hp/t
    91 kW/t
    8.2 kg/hp
  • Lowest combined fuel consumption
    4.7 L/100 km
    50.0 mpg US
    60.1 mpg UK
  • Lowest city consumption
    5.8 L/100 km
    40.6 mpg US
    48.7 mpg UK
  • Lowest highway consumption
    4.1 L/100 km
    57.4 mpg US
    68.9 mpg UK
  • Lowest CO2 emissions
    124 g/km
  • Best estimated range
    1,213 km
    754 mi
  • Largest trunk
    480 L
  • Best overall score
    57/100
  • Best performance score
    52/100
  • Best economy score
    94/100
  • Best practicality score
    68/100

Specification comparison

Specification comparison
ModelBMW4 Series Gran Coupe (F36)420dBMW4 Series Coupe (F32)420i
Power
184hp137kW
184hp137kW
Torque
380Nm280lb-ft
270Nm199lb-ft
Curb weight
1,510kg3,329lb
1,520kg3,351lb
Gross weight
2,070kg4,564lb
2,040kg4,497lb
Top speed
236 km/h
147 mph
233 km/h
145 mph
To 99% top speed
96.1s99% target: 234 km/h / 145 mph
Calculated
93.3s99% target: 231 km/h / 143 mph
Calculated
0-100 km/h
7.7s
7.4s
0-200 km/h
33.1s
Calculated
33.3s
Calculated
0-60 mph
7.3s
Calculated
7.0s
Calculated
Fuel consumption
4.7L/100 km50mpg US60.1mpg UK
7L/100 km33.6mpg US40.4mpg UK
Fuel consumption city
5.8L/100 km40.6mpg US48.7mpg UK
9.1L/100 km25.8mpg US31.0mpg UK
Fuel consumption highway
4.1L/100 km57.4mpg US68.9mpg UK
5.7L/100 km41.3mpg US49.6mpg UK
Quarter mile
15.5s
Calculated
15.3s
Calculated
Power-to-weight
122hp/t91kW/t55hp/1000 lb
Calculated
121hp/t90kW/t55hp/1000 lb
Calculated
Torque-to-weight
252Nm/t168lb-ft/ton
Calculated
178Nm/t119lb-ft/ton
Calculated
Estimated range
1,213km754mi
Calculated
857km533mi
Calculated
Displacement
1,995cc122cu in
1,997cc122cu in
Length
4,638mm183in
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
1,594mm63in
1,594mm63in
Ground clearance
130mm5in
145mm6in
Trunk volume
480L
445L
Max trunk volume
1,300L
-
Doors
5
2
Seats
5
4
Fuel tank
57L
60L
CO2 emissions
124g/km
162g/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) 420dBMW 4 Series Coupe (F32) 420iPowerTorque
  • BMW 4 Series Gran Coupe (F36) 420d: Power / Torque
  • BMW 4 Series Coupe (F32) 420i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Gran Coupe (F36)420d4,000 rpm1,750-2,750 rpm4,250 rpm
BMW4 Series Coupe (F32)420i5,000-6,250 rpm1,250-4,500 rpm6,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW4 Series Gran Coupe (F36)420dBMW4 Series Coupe (F32)420i
Acceleration checkpoints
0-60 mph
0-97 km/h
7.3 s
7.0 s
0-100 km/h
0-62 mph
7.7 s
7.4 s
0-200 km/h
0-124 mph
33.1 s
33.3 s
Top speed
236 km/h
147 mph
233 km/h
145 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
10.2 s
10.0 s
1000 ft
305 m
13.1 s
12.9 s
1/4 mile
402 m
15.5 s
15.3 s
Trap speed
1/4 mile
402 m
149 km/h
92 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)420d
184 hp
137 kW
BMW4 Series Coupe (F32)420i
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)420d
380 Nm
280 lb-ft
BMW4 Series Coupe (F32)420i
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 Gran Coupe (F36)420d
1,510 kg
3,329 lb
BMW4 Series Coupe (F32)420i
1,520 kg
3,351 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)420d
236 km/h
147 mph
BMW4 Series Coupe (F32)420i
233 km/h
145 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)420d7.7 s
BMW4 Series Coupe (F32)420i7.4 s

The biggest 0-100 km/h difference is between BMW 4 Series Coupe (F32) 420i and BMW 4 Series Gran Coupe (F36) 420d: 0.3 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)420d
4.7 L/100 km
50.0 mpg US
60.1 mpg UK
BMW4 Series Coupe (F32)420i
7.0 L/100 km
33.6 mpg US
40.4 mpg UK

The biggest fuel consumption difference is between BMW 4 Series Gran Coupe (F36) 420d and BMW 4 Series Coupe (F32) 420i: 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 (F36)420d
122 hp/t
91 kW/t
8.2 kg/hp
BMW4 Series Coupe (F32)420i
121 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 Gran Coupe (F36)420d
1,213 km
754 mi
BMW4 Series Coupe (F32)420i
857 km
533 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW4 Series Gran Coupe (F36)420d
184 hp
137 kW
7.7 s
236 km/h
147 mph
BMW4 Series Coupe (F32)420i
184 hp
137 kW
7.4 s
233 km/h
145 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)420d
Power
184 hp
137 kW
0-100 km/h7.7 s
Top speed
236 km/h
147 mph
Doors/seats
5 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,638 mm
182.6 in
Height
1,389 mm
54.7 in
BMW4 Series Coupe (F32)420i
Power
184 hp
137 kW
0-100 km/h7.4 s
Top speed
233 km/h
145 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)420d
Power
184 hp
137 kW
0-100 km/h7.7 s
Top speed
236 km/h
147 mph
4.7 L/100 km
50.0 mpg US
60.1 mpg UK
BMW4 Series Coupe (F32)420i
Power
184 hp
137 kW
0-100 km/h7.4 s
Top speed
233 km/h
145 mph
7.0 L/100 km
33.6 mpg US
40.4 mpg UK

BMW 4 Series Gran Coupe (F36) 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)420d
4.7 L/100 km
50.0 mpg US
60.1 mpg UK
7.7 s
BMW4 Series Coupe (F32)420i
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
7.4 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)420d
122 hp/t
91 kW/t
8.2 kg/hp
4.7 L/100 km
50.0 mpg US
60.1 mpg UK
BMW4 Series Coupe (F32)420i
121 hp/t
90 kW/t
8.3 kg/hp
7.0 L/100 km
33.6 mpg US
40.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW4 Series Gran Coupe (F36)420dBMW4 Series Coupe (F32)420i
Power
184 hp
137 kW
184 hp
137 kW
Torque
380 Nm
280 lb-ft
270 Nm
199 lb-ft
Acceleration
7.7 s
7.4 s
Top speed
236 km/h
147 mph
233 km/h
145 mph
Lightness
1,510 kg
3,329 lb
1,520 kg
3,351 lb
Fuel consumption
4.7 L/100 km
50.0 mpg US
60.1 mpg UK
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,638 mm
182.6 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
1,213 km
754 mi
857 km
533 mi
CO2 score
124 g/km
162 g/km
Trunk score
480 L
17.0 cu ft
445 L
15.7 cu ft
Power-to-weight score
122 hp/t
91 kW/t
8.2 kg/hp
121 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 Gran Coupe (F36) 420dBMW 4 Series Coupe (F32) 420i
Consumption4.7 L/100 km50 mpg US60.1 mpg UK7 L/100 km33.6 mpg US40.4 mpg UK
Cost / 100 km8.23 LC100 km12.25 LC100 km
Cost / 100 mi13.24 LC100 mi19.71 LC100 mi
Annual fuel used705 L186 US gal155 UK gal1,050 L277 US gal231 UK gal
Annual fuel cost1,234 LC/year1,838 LC/year

Head-to-head comparisons

BMW 4 Series Gran Coupe (F36) 420d

  • Has 110 Nm more
  • Is 10 kg lighter
  • Has 3 km/h (2 mph) higher top speed
  • Uses 2.3 L/100 km less fuel
  • Has 1 hp/t better power-to-weight
  • Has 356 km (221 mi) more estimated range
  • Has 35 L more trunk volume
  • Emits 38 g/km less CO2

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h

BMW 4 Series Coupe (F32) 420i

  • Is 0.3 s quicker from 0-100 km/h

Pros

  • Quickest 0-100 km/h in this comparison

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed
  • Smallest trunk
  • Highest CO2 emissions

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