Car comparison

BMW 4 Series Convertible (F33) · Facelift 2017 430ivsBMW 4 Series Coupe (F32) 425d

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

New comparison

BMW 4 Series Convertible (F33) · Facelift 2017

430i

252 hp1998 ccGasolineRWDManualTurbochargedCabriolet / convertible2017-2020
VS

BMW 4 Series Coupe (F32)

425d

218 hp1995 ccDieselRWDManualTurbochargedCoupe2014-2016

Comparison overview

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

Best choices

BMW 4 Series Coupe (F32) 425d

  • Highest torque
    450 Nm
    332 lb-ft
  • Lightest
    1,490 kg
    3,285 lb
  • Lowest combined fuel consumption
    5.1 L/100 km
    46.1 mpg US
    55.4 mpg UK
  • Lowest city consumption
    6.3 L/100 km
    37.3 mpg US
    44.8 mpg UK
  • Lowest highway consumption
    4.4 L/100 km
    53.5 mpg US
    64.2 mpg UK
  • Lowest CO2 emissions
    135 g/km
  • Best estimated range
    1,118 km
    694 mi
  • Largest trunk
    445 L
  • Best overall score
    57/100
  • Best economy score
    93/100
  • Best practicality score
    53/100

Specification comparison

Specification comparison
ModelBMW4 Series Convertible (F33)Facelift 2017430iBMW4 Series Coupe (F32)425d
Power
252hp188kW
218hp163kW
Torque
350Nm258lb-ft
450Nm332lb-ft
Curb weight
1,710kg3,770lb
1,490kg3,285lb
Gross weight
2,170kg4,784lb
2,010kg4,431lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
247 km/h
153 mph
To 99% top speed
93.9s99% target: 257 km/h / 160 mph
Calculated
86.2s99% target: 245 km/h / 152 mph
Calculated
0-100 km/h
6.4s
6.7s
0-200 km/h
24.0s
Calculated
26.1s
Calculated
0-60 mph
6.1s
Calculated
6.4s
Calculated
Fuel consumption
7L/100 km33.6mpg US40.4mpg UK
5.1L/100 km46.1mpg US55.4mpg UK
Fuel consumption city
9L/100 km26.1mpg US31.4mpg UK
6.3L/100 km37.3mpg US44.8mpg UK
Fuel consumption highway
5.8L/100 km40.6mpg US48.7mpg UK
4.4L/100 km53.5mpg US64.2mpg UK
Quarter mile
14.5s
Calculated
14.7s
Calculated
Power-to-weight
147hp/t110kW/t67hp/1000 lb
Calculated
146hp/t109kW/t66hp/1000 lb
Calculated
Torque-to-weight
205Nm/t137lb-ft/ton
Calculated
302Nm/t202lb-ft/ton
Calculated
Estimated range
857km533mi
Calculated
1,118km694mi
Calculated
Displacement
1,998cc122cu in
1,995cc122cu in
Length
4,640mm183in
4,638mm183in
Width
1,825mm72in
1,825mm72in
Height
1,384mm54in
1,377mm54in
Wheelbase
2,810mm111in
2,810mm111in
Front track
1,544mm61in
1,545mm61in
Rear track
1,593mm63in
1,594mm63in
Ground clearance
130mm5in
130mm5in
Trunk volume
370L
445L
Doors
2
2
Seats
4
4
Fuel tank
60L
57L
CO2 emissions
162g/km
135g/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 Convertible (F33) Facelift 2017 430iBMW 4 Series Coupe (F32) 425dPowerTorque
  • BMW 4 Series Convertible (F33) Facelift 2017 430i: Power / Torque
  • BMW 4 Series Coupe (F32) 425d: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Convertible (F33)Facelift 2017430i5,200 rpm1,450-4,800 rpm5,450 rpm
BMW4 Series Coupe (F32)425d4,000 rpm1,500 rpm4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW4 Series Convertible (F33)Facelift 2017430iBMW4 Series Coupe (F32)425d
Acceleration checkpoints
0-60 mph
0-97 km/h
6.1 s
6.4 s
0-100 km/h
0-62 mph
6.4 s
6.7 s
0-200 km/h
0-124 mph
24.0 s
26.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
247 km/h
153 mph
Drag race simulation
60 ft
18 m
2.4 s
2.4 s
330 ft
101 m
6.3 s
6.4 s
1/8 mile
201 m
9.5 s
9.6 s
1000 ft
305 m
12.2 s
12.4 s
1/4 mile
402 m
14.5 s
14.7 s
Trap speed
1/4 mile
402 m
161 km/h
100 mph
158 km/h
98 mph

Power comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (F33)Facelift 2017430i
252 hp
188 kW
BMW4 Series Coupe (F32)425d
218 hp
163 kW

BMW 4 Series Convertible (F33) Facelift 2017 430i has 34 hp more than BMW 4 Series Coupe (F32) 425d.

The biggest power difference is between BMW 4 Series Coupe (F32) 425d and BMW 4 Series Convertible (F33) Facelift 2017 430i: 34 hp (25 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (F33)Facelift 2017430i
350 Nm
258 lb-ft
BMW4 Series Coupe (F32)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 Convertible (F33)Facelift 2017430i
1,710 kg
3,770 lb
BMW4 Series Coupe (F32)425d
1,490 kg
3,285 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 Convertible (F33)Facelift 2017430i
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMW4 Series Coupe (F32)425d
247 km/h
153 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
BMW4 Series Convertible (F33)Facelift 2017430i6.4 s
BMW4 Series Coupe (F32)425d6.7 s

The biggest 0-100 km/h difference is between BMW 4 Series Convertible (F33) Facelift 2017 430i and BMW 4 Series Coupe (F32) 425d: 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 Convertible (F33)Facelift 2017430i
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
BMW4 Series Coupe (F32)425d
5.1 L/100 km
46.1 mpg US
55.4 mpg UK

The biggest fuel consumption difference is between BMW 4 Series Coupe (F32) 425d and BMW 4 Series Convertible (F33) Facelift 2017 430i: 1.9 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 Convertible (F33)Facelift 2017430i
147 hp/t
110 kW/t
6.8 kg/hp
BMW4 Series Coupe (F32)425d
146 hp/t
109 kW/t
6.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (F33)Facelift 2017430i
857 km
533 mi
BMW4 Series Coupe (F32)425d
1,118 km
694 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW4 Series Convertible (F33)Facelift 2017430i
252 hp
188 kW
6.4 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMW4 Series Coupe (F32)425d
218 hp
163 kW
6.7 s
247 km/h
153 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 Convertible (F33)Facelift 2017430i
Power
252 hp
188 kW
0-100 km/h6.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
370 L
13.1 cu ft
Length
4,640 mm
182.7 in
Height
1,384 mm
54.5 in
BMW4 Series Coupe (F32)425d
Power
218 hp
163 kW
0-100 km/h6.7 s
Top speed
247 km/h
153 mph
Doors/seats
2 doors
4 seats
Trunk
445 L
15.7 cu ft
Length
4,638 mm
182.6 in
Height
1,377 mm
54.2 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 Convertible (F33)Facelift 2017430i
Power
252 hp
188 kW
0-100 km/h6.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
BMW4 Series Coupe (F32)425d
Power
218 hp
163 kW
0-100 km/h6.7 s
Top speed
247 km/h
153 mph
5.1 L/100 km
46.1 mpg US
55.4 mpg UK

BMW 4 Series Coupe (F32) 425d 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 Convertible (F33)Facelift 2017430i
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
6.4 s
BMW4 Series Coupe (F32)425d
5.1 L/100 km
46.1 mpg US
55.4 mpg UK
6.7 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 Convertible (F33)Facelift 2017430i
147 hp/t
110 kW/t
6.8 kg/hp
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
BMW4 Series Coupe (F32)425d
146 hp/t
109 kW/t
6.8 kg/hp
5.1 L/100 km
46.1 mpg US
55.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW4 Series Convertible (F33)Facelift 2017430iBMW4 Series Coupe (F32)425d
Power
252 hp
188 kW
218 hp
163 kW
Torque
350 Nm
258 lb-ft
450 Nm
332 lb-ft
Acceleration
6.4 s
6.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
247 km/h
153 mph
Lightness
1,710 kg
3,770 lb
1,490 kg
3,285 lb
Fuel consumption
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
5.1 L/100 km
46.1 mpg US
55.4 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
370 L
13.1 cu ft
Length
4,640 mm
182.7 in
Height
1,384 mm
54.5 in
Doors/seats
2 doors
4 seats
Trunk
445 L
15.7 cu ft
Length
4,638 mm
182.6 in
Height
1,377 mm
54.2 in
Range score
857 km
533 mi
1,118 km
694 mi
CO2 score
162 g/km
135 g/km
Trunk score
370 L
13.1 cu ft
445 L
15.7 cu ft
Power-to-weight score
147 hp/t
110 kW/t
6.8 kg/hp
146 hp/t
109 kW/t
6.8 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 Convertible (F33) Facelift 2017 430iBMW 4 Series Coupe (F32) 425d
Consumption7 L/100 km33.6 mpg US40.4 mpg UK5.1 L/100 km46.1 mpg US55.4 mpg UK
Cost / 100 km12.25 LC100 km8.92 LC100 km
Cost / 100 mi19.71 LC100 mi14.36 LC100 mi
Annual fuel used1,050 L277 US gal231 UK gal765 L202 US gal168 UK gal
Annual fuel cost1,838 LC/year1,339 LC/year

Head-to-head comparisons

BMW 4 Series Convertible (F33) Facelift 2017 430i

  • Has 34 hp more
  • Is 0.3 s quicker from 0-100 km/h
  • Has 13 km/h (8 mph) higher top speed
  • Has 1 hp/t better power-to-weight

Pros

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

Cons

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

BMW 4 Series Coupe (F32) 425d

  • Has 100 Nm more
  • Is 220 kg lighter
  • Uses 1.9 L/100 km less fuel
  • Has 261 km (162 mi) more estimated range
  • Has 75 L more trunk volume
  • Emits 27 g/km less CO2

Pros

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

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 4 Series Convertible (F33) 430i
BMW 4 Series Coupe (F32) 425d
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