Car comparison

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

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

New comparison

BMW 4 Series Coupe (F32)

420i

184 hp1997 ccGasolineAWDAutomaticTurbochargedCoupe2013-2016
VS

BMW 4 Series Gran Coupe (F36)

420d

184 hp1995 ccDieselAWDAutomaticTurbochargedCoupe2014-2015

Comparison overview

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

Best choices

BMW 4 Series Gran Coupe (F36) 420d

  • Highest torque
    380 Nm
    280 lb-ft
  • Lowest combined fuel consumption
    4.8 L/100 km
    49.0 mpg US
    58.9 mpg UK
  • Lowest city consumption
    5.7 L/100 km
    41.3 mpg US
    49.6 mpg UK
  • Lowest highway consumption
    4.3 L/100 km
    54.7 mpg US
    65.7 mpg UK
  • Lowest CO2 emissions
    127 g/km
  • Best estimated range
    1,188 km
    738 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

BMW 4 Series Coupe (F32) 420i

  • Quickest 0-100 km/h
    7.5 s
  • Fastest top speed
    231 km/h
    144 mph
  • Most powerful
    184 hp
    137 kW
  • Lightest
    1,530 kg
    3,373 lb
  • Best power-to-weight
    120 hp/t
    90 kW/t
    8.3 kg/hp

Specification comparison

Specification comparison
ModelBMW4 Series Coupe (F32)420iBMW4 Series Gran Coupe (F36)420d
Power
184hp137kW
184hp137kW
Torque
270Nm199lb-ft
380Nm280lb-ft
Curb weight
1,530kg3,373lb
1,600kg3,527lb
Gross weight
2,050kg4,519lb
2,160kg4,762lb
Top speed
231 km/h
144 mph
229 km/h
142 mph
To 99% top speed
93.5s99% target: 229 km/h / 142 mph
Calculated
92.5s99% target: 227 km/h / 141 mph
Calculated
0-100 km/h
7.5s
7.5s
0-200 km/h
34.4s
Calculated
35.2s
Calculated
0-60 mph
7.1s
Calculated
7.1s
Calculated
Fuel consumption
6.5L/100 km36.2mpg US43.5mpg UK
4.8L/100 km49mpg US58.9mpg UK
Fuel consumption city
8.8L/100 km26.7mpg US32.1mpg UK
5.7L/100 km41.3mpg US49.6mpg UK
Fuel consumption highway
5.2L/100 km45.2mpg US54.3mpg UK
4.3L/100 km54.7mpg US65.7mpg UK
Quarter mile
15.4s
Calculated
15.4s
Calculated
Power-to-weight
120hp/t90kW/t55hp/1000 lb
Calculated
115hp/t86kW/t52hp/1000 lb
Calculated
Torque-to-weight
176Nm/t118lb-ft/ton
Calculated
238Nm/t159lb-ft/ton
Calculated
Estimated range
923km574mi
Calculated
1,188km738mi
Calculated
Displacement
1,997cc122cu in
1,995cc122cu in
Length
4,638mm183in
4,638mm183in
Width
1,825mm72in
1,825mm72in
Height
1,392mm55in
1,404mm55in
Wheelbase
2,810mm111in
2,810mm111in
Front track
1,545mm61in
1,544mm61in
Rear track
1,594mm63in
1,590mm63in
Ground clearance
145mm6in
145mm6in
Trunk volume
445L
480L
Max trunk volume-
1,300L
Doors
2
5
Seats
4
5
Fuel tank
60L
57L
CO2 emissions
152g/km
127g/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) 420iBMW 4 Series Gran Coupe (F36) 420dPowerTorque
  • BMW 4 Series Coupe (F32) 420i: Power / Torque
  • BMW 4 Series Gran Coupe (F36) 420d: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Coupe (F32)420i5,000-6,250 rpm1,250-4,500 rpm6,500 rpm
BMW4 Series Gran Coupe (F36)420d4,000 rpm1,750-2,750 rpm4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW4 Series Coupe (F32)420iBMW4 Series Gran Coupe (F36)420d
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
34.4 s
35.2 s
Top speed
231 km/h
144 mph
229 km/h
142 mph
Drag race simulation
60 ft
18 m
2.5 s
2.5 s
330 ft
101 m
6.6 s
6.6 s
1/8 mile
201 m
10.0 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
149 km/h
92 mph
148 km/h
92 mph

Power comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (F32)420i
184 hp
137 kW
BMW4 Series Gran Coupe (F36)420d
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)420i
270 Nm
199 lb-ft
BMW4 Series Gran Coupe (F36)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 Coupe (F32)420i
1,530 kg
3,373 lb
BMW4 Series Gran Coupe (F36)420d
1,600 kg
3,527 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)420i
231 km/h
144 mph
BMW4 Series Gran Coupe (F36)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 Coupe (F32)420i7.5 s
BMW4 Series Gran Coupe (F36)420d7.5 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)420i
6.5 L/100 km
36.2 mpg US
43.5 mpg UK
BMW4 Series Gran Coupe (F36)420d
4.8 L/100 km
49.0 mpg US
58.9 mpg UK

The biggest fuel consumption difference is between BMW 4 Series Gran Coupe (F36) 420d and BMW 4 Series Coupe (F32) 420i: 1.7 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)420i
120 hp/t
90 kW/t
8.3 kg/hp
BMW4 Series Gran Coupe (F36)420d
115 hp/t
86 kW/t
8.7 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (F32)420i
923 km
574 mi
BMW4 Series Gran Coupe (F36)420d
1,188 km
738 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW4 Series Coupe (F32)420i
184 hp
137 kW
7.5 s
231 km/h
144 mph
BMW4 Series Gran Coupe (F36)420d
184 hp
137 kW
7.5 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 Coupe (F32)420i
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
BMW4 Series Gran Coupe (F36)420d
Power
184 hp
137 kW
0-100 km/h7.5 s
Top speed
229 km/h
142 mph
Doors/seats
5 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,638 mm
182.6 in
Height
1,404 mm
55.3 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)420i
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
BMW4 Series Gran Coupe (F36)420d
Power
184 hp
137 kW
0-100 km/h7.5 s
Top speed
229 km/h
142 mph
4.8 L/100 km
49.0 mpg US
58.9 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 Coupe (F32)420i
6.5 L/100 km
36.2 mpg US
43.5 mpg UK
7.5 s
BMW4 Series Gran Coupe (F36)420d
4.8 L/100 km
49.0 mpg US
58.9 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)420i
120 hp/t
90 kW/t
8.3 kg/hp
6.5 L/100 km
36.2 mpg US
43.5 mpg UK
BMW4 Series Gran Coupe (F36)420d
115 hp/t
86 kW/t
8.7 kg/hp
4.8 L/100 km
49.0 mpg US
58.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW4 Series Coupe (F32)420iBMW4 Series Gran Coupe (F36)420d
Power
184 hp
137 kW
184 hp
137 kW
Torque
270 Nm
199 lb-ft
380 Nm
280 lb-ft
Acceleration
7.5 s
7.5 s
Top speed
231 km/h
144 mph
229 km/h
142 mph
Lightness
1,530 kg
3,373 lb
1,600 kg
3,527 lb
Fuel consumption
6.5 L/100 km
36.2 mpg US
43.5 mpg UK
4.8 L/100 km
49.0 mpg US
58.9 mpg UK
Practicality
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
Doors/seats
5 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,638 mm
182.6 in
Height
1,404 mm
55.3 in
Range score
923 km
574 mi
1,188 km
738 mi
CO2 score
152 g/km
127 g/km
Trunk score
445 L
15.7 cu ft
480 L
17.0 cu ft
Power-to-weight score
120 hp/t
90 kW/t
8.3 kg/hp
115 hp/t
86 kW/t
8.7 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) 420iBMW 4 Series Gran Coupe (F36) 420d
Consumption6.5 L/100 km36.2 mpg US43.5 mpg UK4.8 L/100 km49 mpg US58.9 mpg UK
Cost / 100 km11.38 LC100 km8.40 LC100 km
Cost / 100 mi18.31 LC100 mi13.52 LC100 mi
Annual fuel used975 L258 US gal214 UK gal720 L190 US gal158 UK gal
Annual fuel cost1,706 LC/year1,260 LC/year

Head-to-head comparisons

BMW 4 Series Coupe (F32) 420i

  • Is 70 kg lighter
  • Has 2 km/h (1 mph) higher top speed
  • Has 5 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption
  • Smallest trunk
  • Highest CO2 emissions

BMW 4 Series Gran Coupe (F36) 420d

  • Has 110 Nm more
  • Uses 1.7 L/100 km less fuel
  • Has 264 km (164 mi) more estimated range
  • Has 35 L more trunk volume
  • Emits 25 g/km less CO2

Pros

  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Heaviest
  • Lowest top speed

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