Car comparison

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

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

New comparison

BMW 4 Series Gran Coupe (F36) · Facelift 2017

420d

190 hp1995 ccDieselRWDManualTurbochargedCoupe2017-2021
VS

BMW 4 Series Gran Coupe (F36)

420i

184 hp1998 ccGasolineRWDManualTurbochargedCoupe2016-2016

Comparison overview

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

Best choices

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

  • Quickest 0-100 km/h
    7.5 s
  • Fastest top speed
    240 km/h
    149 mph
  • Most powerful
    190 hp
    142 kW
  • Highest torque
    400 Nm
    295 lb-ft
  • Lightest
    1,520 kg
    3,351 lb
  • Best power-to-weight
    125 hp/t
    93 kW/t
    8.0 kg/hp
  • Lowest combined fuel consumption
    4.5 L/100 km
    52.3 mpg US
    62.8 mpg UK
  • Lowest city consumption
    5.5 L/100 km
    42.8 mpg US
    51.4 mpg UK
  • Lowest highway consumption
    3.9 L/100 km
    60.3 mpg US
    72.4 mpg UK
  • Lowest CO2 emissions
    119 g/km
  • Best estimated range
    1,267 km
    787 mi
  • Largest trunk
    480 L
  • Best overall score
    58/100
  • Best performance score
    54/100
  • Best economy score
    95/100

Specification comparison

Specification comparison
ModelBMW4 Series Gran Coupe (F36)Facelift 2017420dBMW4 Series Gran Coupe (F36)420i
Power
190hp142kW
184hp137kW
Torque
400Nm295lb-ft
270Nm199lb-ft
Curb weight
1,520kg3,351lb
1,520kg3,351lb
Gross weight
2,080kg4,586lb
2,080kg4,586lb
Top speed
240 km/h
149 mph
236 km/h
147 mph
To 99% top speed
95.7s99% target: 238 km/h / 148 mph
Calculated
95.1s99% target: 234 km/h / 145 mph
Calculated
0-100 km/h
7.5s
7.5s
0-200 km/h
31.2s
Calculated
32.6s
Calculated
0-60 mph
7.1s
Calculated
7.1s
Calculated
Fuel consumption
4.5L/100 km52.3mpg US62.8mpg UK
6.1L/100 km38.6mpg US46.3mpg UK
Fuel consumption city
5.5L/100 km42.8mpg US51.4mpg UK
8.1L/100 km29mpg US34.9mpg UK
Fuel consumption highway
3.9L/100 km60.3mpg US72.4mpg UK
4.9L/100 km48mpg US57.6mpg UK
Quarter mile
15.4s
Calculated
15.4s
Calculated
Power-to-weight
125hp/t93kW/t57hp/1000 lb
Calculated
121hp/t90kW/t55hp/1000 lb
Calculated
Torque-to-weight
263Nm/t176lb-ft/ton
Calculated
178Nm/t119lb-ft/ton
Calculated
Estimated range
1,267km787mi
Calculated
984km611mi
Calculated
Displacement
1,995cc122cu in
1,998cc122cu in
Length
4,640mm183in
4,638mm183in
Width
1,825mm72in
1,825mm72in
Height
1,389mm55in
1,389mm55in
Wheelbase
2,810mm111in
2,810mm111in
Front track
1,545mm61in
1,545mm61in
Rear track
1,592mm63in
1,594mm63in
Ground clearance
130mm5in
130mm5in
Trunk volume
480L
480L
Max trunk volume
1,300L
1,300L
Doors
4
5
Seats
5
5
Fuel tank
57L
60L
CO2 emissions
119g/km
141g/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 420dBMW 4 Series Gran Coupe (F36) 420iPowerTorque
  • BMW 4 Series Gran Coupe (F36) Facelift 2017 420d: Power / Torque
  • BMW 4 Series Gran Coupe (F36) 420i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Gran Coupe (F36)Facelift 2017420d4,000 rpm1,750-2,500 rpm4,250 rpm
BMW4 Series Gran Coupe (F36)420i5,000 rpm1,350-4,600 rpm5,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW4 Series Gran Coupe (F36)Facelift 2017420dBMW4 Series Gran Coupe (F36)420i
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
31.2 s
32.6 s
Top speed
240 km/h
149 mph
236 km/h
147 mph
Drag race simulation
60 ft
18 m
2.5 s
2.5 s
330 ft
101 m
6.7 s
6.7 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
151 km/h
94 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 2017420d
190 hp
142 kW
BMW4 Series Gran Coupe (F36)420i
184 hp
137 kW

BMW 4 Series Gran Coupe (F36) Facelift 2017 420d has 6 hp more than BMW 4 Series Gran Coupe (F36) 420i.

The biggest power difference is between BMW 4 Series Gran Coupe (F36) 420i and BMW 4 Series Gran Coupe (F36) Facelift 2017 420d: 6 hp (4 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW4 Series Gran Coupe (F36)Facelift 2017420d
400 Nm
295 lb-ft
BMW4 Series Gran Coupe (F36)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)Facelift 2017420d
1,520 kg
3,351 lb
BMW4 Series Gran Coupe (F36)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)Facelift 2017420d
240 km/h
149 mph
BMW4 Series Gran Coupe (F36)420i
236 km/h
147 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 2017420d7.5 s
BMW4 Series Gran Coupe (F36)420i7.5 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 Gran Coupe (F36)Facelift 2017420d
4.5 L/100 km
52.3 mpg US
62.8 mpg UK
BMW4 Series Gran Coupe (F36)420i
6.1 L/100 km
38.6 mpg US
46.3 mpg UK

The biggest fuel consumption difference is between BMW 4 Series Gran Coupe (F36) Facelift 2017 420d and BMW 4 Series Gran Coupe (F36) 420i: 1.6 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 2017420d
125 hp/t
93 kW/t
8.0 kg/hp
BMW4 Series Gran Coupe (F36)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)Facelift 2017420d
1,267 km
787 mi
BMW4 Series Gran Coupe (F36)420i
984 km
611 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW4 Series Gran Coupe (F36)Facelift 2017420d
190 hp
142 kW
7.5 s
240 km/h
149 mph
BMW4 Series Gran Coupe (F36)420i
184 hp
137 kW
7.5 s
236 km/h
147 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 2017420d
Power
190 hp
142 kW
0-100 km/h7.5 s
Top speed
240 km/h
149 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 Gran Coupe (F36)420i
Power
184 hp
137 kW
0-100 km/h7.5 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

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 2017420d
Power
190 hp
142 kW
0-100 km/h7.5 s
Top speed
240 km/h
149 mph
4.5 L/100 km
52.3 mpg US
62.8 mpg UK
BMW4 Series Gran Coupe (F36)420i
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

BMW 4 Series Gran Coupe (F36) Facelift 2017 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 2017420d
4.5 L/100 km
52.3 mpg US
62.8 mpg UK
7.5 s
BMW4 Series Gran Coupe (F36)420i
6.1 L/100 km
38.6 mpg US
46.3 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 Gran Coupe (F36)Facelift 2017420d
125 hp/t
93 kW/t
8.0 kg/hp
4.5 L/100 km
52.3 mpg US
62.8 mpg UK
BMW4 Series Gran Coupe (F36)420i
121 hp/t
90 kW/t
8.3 kg/hp
6.1 L/100 km
38.6 mpg US
46.3 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW4 Series Gran Coupe (F36)Facelift 2017420dBMW4 Series Gran Coupe (F36)420i
Power
190 hp
142 kW
184 hp
137 kW
Torque
400 Nm
295 lb-ft
270 Nm
199 lb-ft
Acceleration
7.5 s
7.5 s
Top speed
240 km/h
149 mph
236 km/h
147 mph
Lightness
1,520 kg
3,351 lb
1,520 kg
3,351 lb
Fuel consumption
4.5 L/100 km
52.3 mpg US
62.8 mpg UK
6.1 L/100 km
38.6 mpg US
46.3 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
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
Range score
1,267 km
787 mi
984 km
611 mi
CO2 score
119 g/km
141 g/km
Trunk score
480 L
17.0 cu ft
480 L
17.0 cu ft
Power-to-weight score
125 hp/t
93 kW/t
8.0 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) Facelift 2017 420dBMW 4 Series Gran Coupe (F36) 420i
Consumption4.5 L/100 km52.3 mpg US62.8 mpg UK6.1 L/100 km38.6 mpg US46.3 mpg UK
Cost / 100 km7.88 LC100 km10.67 LC100 km
Cost / 100 mi12.67 LC100 mi17.18 LC100 mi
Annual fuel used675 L178 US gal148 UK gal915 L242 US gal201 UK gal
Annual fuel cost1,181 LC/year1,601 LC/year

Head-to-head comparisons

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

  • Has 6 hp more
  • Has 130 Nm more
  • Has 4 km/h (2 mph) higher top speed
  • Uses 1.6 L/100 km less fuel
  • Has 4 hp/t better power-to-weight
  • Has 283 km (176 mi) more estimated range
  • Emits 22 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 Gran Coupe (F36) 420d
BMW 4 Series Gran Coupe (F36) 420i
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BMW 4 Series Gran Coupe (F36) · Facelift 2017 420d vs BMW 4 Series Gran Coupe (F36) 420i - car comparison - FastVsFaster