Car comparison

BMW 4 Series Coupe (G22) 420dvsBMW 4 Series Convertible (F33) 425d

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

New comparison

BMW 4 Series Coupe (G22)

420d

190 hp1995 ccDieselRWDAutomaticTurbochargedCoupe2020-2024
VS

BMW 4 Series Convertible (F33)

425d

218 hp1995 ccDieselRWDAutomaticTwin-turboCabriolet / convertible2014-2016

Comparison overview

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

Best choices

BMW 4 Series Coupe (G22) 420d

  • Quickest 0-100 km/h
    7.1 s
  • Fastest top speed
    250 km/h
    155 mph Unrestricted
    240 km/h
    149 mph Restricted
  • Lightest
    1,605 kg
    3,538 lb
  • Lowest combined fuel consumption
    4.2 L/100 km
    56.0 mpg US
    67.3 mpg UK
  • Lowest city consumption
    4.9 L/100 km
    48.0 mpg US
    57.6 mpg UK
  • Lowest highway consumption
    3.9 L/100 km
    60.3 mpg US
    72.4 mpg UK
  • Best estimated range
    1,405 km
    873 mi
  • Largest trunk
    440 L
  • Best overall score
    55/100
  • Best performance score
    56/100
  • Best economy score
    95/100
  • Best practicality score
    53/100

Specification comparison

Specification comparison
ModelBMW4 Series Coupe (G22)420dBMW4 Series Convertible (F33)425d
Power
190hp142kW
218hp163kW
Torque
400Nm295lb-ft
450Nm332lb-ft
Curb weight
1,605kg3,538lb
1,730kg3,814lb
Gross weight
2,095kg4,619lb
2,180kg4,806lb
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Calculated
241 km/h
150 mph
To 99% top speed
94.6s99% target: 248 km/h / 154 mph
Calculated
96.1s99% target: 239 km/h / 148 mph
Calculated
0-100 km/h
7.1s
7.1s
0-200 km/h
27.4s
Calculated
30.2s
Calculated
0-60 mph
6.7s
Calculated
6.7s
Calculated
Fuel consumption
4.2L/100 km56mpg US67.3mpg UK
5.2L/100 km45.2mpg US54.3mpg UK
Fuel consumption city
4.9L/100 km48mpg US57.6mpg UK
6.2L/100 km37.9mpg US45.6mpg UK
Fuel consumption highway
3.9L/100 km60.3mpg US72.4mpg UK
4.5L/100 km52.3mpg US62.8mpg UK
Quarter mile
15.0s
Calculated
15.1s
Calculated
Power-to-weight
118hp/t88kW/t54hp/1000 lb
Calculated
126hp/t94kW/t57hp/1000 lb
Calculated
Torque-to-weight
249Nm/t167lb-ft/ton
Calculated
260Nm/t174lb-ft/ton
Calculated
Estimated range
1,405km873mi
Calculated
1,096km681mi
Calculated
Displacement
1,995cc122cu in
1,995cc122cu in
Length
4,768mm188in
4,638mm183in
Width
1,852mm73in
1,825mm72in
Height
1,383mm54in
1,384mm54in
Wheelbase
2,851mm112in
2,810mm111in
Front track
1,575mm62in
1,545mm61in
Rear track
1,611mm63in
1,594mm63in
Ground clearance
127mm5in
130mm5in
Trunk volume
440L
370L
Doors
2
2
Seats
4
4
Fuel tank
59L
57L
CO2 emissions-
136g/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 (G22) 420dBMW 4 Series Convertible (F33) 425dPowerTorque
  • BMW 4 Series Coupe (G22) 420d: Power / Torque
  • BMW 4 Series Convertible (F33) 425d: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Coupe (G22)420d4,000 rpm1,750-2,500 rpm4,250 rpm
BMW4 Series Convertible (F33)425d4,400 rpm1,500-2,500 rpm4,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW4 Series Coupe (G22)420dBMW4 Series Convertible (F33)425d
Acceleration checkpoints
0-60 mph
0-97 km/h
6.7 s
6.7 s
0-100 km/h
0-62 mph
7.1 s
7.1 s
0-200 km/h
0-124 mph
27.4 s
30.2 s
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Likely limited
241 km/h
150 mph
Drag race simulation
60 ft
18 m
2.5 s
2.4 s
330 ft
101 m
6.6 s
6.5 s
1/8 mile
201 m
9.9 s
9.8 s
1000 ft
305 m
12.7 s
12.7 s
1/4 mile
402 m
15.0 s
15.1 s
Trap speed
1/4 mile
402 m
155 km/h
96 mph
152 km/h
95 mph

Power comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (G22)420d
190 hp
142 kW
BMW4 Series Convertible (F33)425d
218 hp
163 kW

BMW 4 Series Convertible (F33) 425d has 28 hp more than BMW 4 Series Coupe (G22) 420d.

The biggest power difference is between BMW 4 Series Coupe (G22) 420d and BMW 4 Series Convertible (F33) 425d: 28 hp (21 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (G22)420d
400 Nm
295 lb-ft
BMW4 Series Convertible (F33)425d
450 Nm
332 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (G22)420d
1,605 kg
3,538 lb
BMW4 Series Convertible (F33)425d
1,730 kg
3,814 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 (G22)420d
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
BMW4 Series Convertible (F33)425d
241 km/h
150 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 (G22)420d7.1 s
BMW4 Series Convertible (F33)425d7.1 s

Although BMW 4 Series Convertible (F33) 425d has more power, BMW 4 Series Coupe (G22) 420d is quicker from 0-100 km/h.

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 (G22)420d
4.2 L/100 km
56.0 mpg US
67.3 mpg UK
BMW4 Series Convertible (F33)425d
5.2 L/100 km
45.2 mpg US
54.3 mpg UK

The biggest fuel consumption difference is between BMW 4 Series Coupe (G22) 420d and BMW 4 Series Convertible (F33) 425d: 1.0 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 (G22)420d
118 hp/t
88 kW/t
8.4 kg/hp
BMW4 Series Convertible (F33)425d
126 hp/t
94 kW/t
7.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (G22)420d
1,405 km
873 mi
BMW4 Series Convertible (F33)425d
1,096 km
681 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW4 Series Coupe (G22)420d
190 hp
142 kW
7.1 s
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
BMW4 Series Convertible (F33)425d
218 hp
163 kW
7.1 s
241 km/h
150 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 (G22)420d
Power
190 hp
142 kW
0-100 km/h7.1 s
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
Doors/seats
2 doors
4 seats
Trunk
440 L
15.5 cu ft
Length
4,768 mm
187.7 in
Height
1,383 mm
54.4 in
BMW4 Series Convertible (F33)425d
Power
218 hp
163 kW
0-100 km/h7.1 s
Top speed
241 km/h
150 mph
Doors/seats
2 doors
4 seats
Trunk
370 L
13.1 cu ft
Length
4,638 mm
182.6 in
Height
1,384 mm
54.5 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 (G22)420d
Power
190 hp
142 kW
0-100 km/h7.1 s
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
4.2 L/100 km
56.0 mpg US
67.3 mpg UK
BMW4 Series Convertible (F33)425d
Power
218 hp
163 kW
0-100 km/h7.1 s
Top speed
241 km/h
150 mph
5.2 L/100 km
45.2 mpg US
54.3 mpg UK

BMW 4 Series Coupe (G22) 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 (G22)420d
4.2 L/100 km
56.0 mpg US
67.3 mpg UK
7.1 s
BMW4 Series Convertible (F33)425d
5.2 L/100 km
45.2 mpg US
54.3 mpg UK
7.1 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 (G22)420d
118 hp/t
88 kW/t
8.4 kg/hp
4.2 L/100 km
56.0 mpg US
67.3 mpg UK
BMW4 Series Convertible (F33)425d
126 hp/t
94 kW/t
7.9 kg/hp
5.2 L/100 km
45.2 mpg US
54.3 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW4 Series Coupe (G22)420dBMW4 Series Convertible (F33)425d
Power
190 hp
142 kW
218 hp
163 kW
Torque
400 Nm
295 lb-ft
450 Nm
332 lb-ft
Acceleration
7.1 s
7.1 s
Top speed
Unrestricted
250 km/h155 mph
Restricted
240 km/h149 mph
241 km/h
150 mph
Lightness
1,605 kg
3,538 lb
1,730 kg
3,814 lb
Fuel consumption
4.2 L/100 km
56.0 mpg US
67.3 mpg UK
5.2 L/100 km
45.2 mpg US
54.3 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
440 L
15.5 cu ft
Length
4,768 mm
187.7 in
Height
1,383 mm
54.4 in
Doors/seats
2 doors
4 seats
Trunk
370 L
13.1 cu ft
Length
4,638 mm
182.6 in
Height
1,384 mm
54.5 in
Range score
1,405 km
873 mi
1,096 km
681 mi
CO2 score
-
136 g/km
Trunk score
440 L
15.5 cu ft
370 L
13.1 cu ft
Power-to-weight score
118 hp/t
88 kW/t
8.4 kg/hp
126 hp/t
94 kW/t
7.9 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 (G22) 420dBMW 4 Series Convertible (F33) 425d
Consumption4.2 L/100 km56 mpg US67.3 mpg UK5.2 L/100 km45.2 mpg US54.3 mpg UK
Cost / 100 km7.35 LC100 km9.10 LC100 km
Cost / 100 mi11.83 LC100 mi14.65 LC100 mi
Annual fuel used630 L166 US gal139 UK gal780 L206 US gal172 UK gal
Annual fuel cost1,103 LC/year1,365 LC/year

Head-to-head comparisons

BMW 4 Series Coupe (G22) 420d

  • Is 125 kg lighter
  • Has 9 km/h (6 mph) higher top speed
  • Uses 1.0 L/100 km less fuel
  • Has 309 km (192 mi) more estimated range
  • Has 70 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Lowest power

BMW 4 Series Convertible (F33) 425d

  • Has 28 hp more
  • Has 50 Nm more
  • Has 8 hp/t better power-to-weight

Pros

  • Most powerful
  • Highest torque
  • Best power-to-weight ratio

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 4 Series Coupe (G22) 420d
BMW 4 Series Convertible (F33) 425d
Compare selected cars
2 vehicles selected

Popular comparisons

420d
420d
VS
BMW4 Series Coupe (G22)420dvsBMW4 Series Gran Coupe (G26)420d
425d
420d
VS
BMW4 Series Convertible (F33)425dvsBMW4 Series Convertible (F33)Facelift 2017420d
420d
420d
VS
BMW4 Series Coupe (G22)420dvsBMW4 Series Gran Coupe (F36)Facelift 2017420d
425d
420d
VS
BMW4 Series Convertible (F33)425dvsBMW4 Series Convertible (G23)420d
420d
420d
VS
BMW4 Series Coupe (G22)420dvsBMW4 Series Coupe (F32)Facelift 2017420d
425d
425d
VS
BMW4 Series Convertible (F33)425dvsBMW4 Series Coupe (F32)425d
425d
425d
VS
BMW4 Series Convertible (F33)425dvsBMW4 Series Gran Coupe (F36)425d
425d
420d
VS
BMW4 Series Convertible (F33)425dvsBMW4 Series Coupe (G22)420d
420d
420i
VS
BMW4 Series Coupe (G22)420dvsBMW4 Series Convertible (F33)420i
420d
220d
VS
BMW4 Series Coupe (G22)420dvsBMW2 Series Gran Coupe (F44)220d
425d
220i
VS
BMW4 Series Convertible (F33)425dvsBMW2 Series Convertible (F23)220i
420d
220d
VS
BMW4 Series Coupe (G22)420dvsBMW2 Series Coupe (G42)220d
BMW 4 Series Coupe (G22) 420d vs BMW 4 Series Convertible (F33) 425d - car comparison - FastVsFaster