Car comparison

BMW 4 Series Convertible (F33) · Facelift 2017 430ivsBMW 4 Series Convertible (F33) 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 ccGasolineAWDAutomaticTurbochargedCabriolet / convertible2017-2020
VS

BMW 4 Series Convertible (F33)

425d

224 hp1995 ccDieselRWDAutomaticTurbochargedCabriolet / convertible2016-2017

Comparison overview

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

Best choices

BMW 4 Series Convertible (F33) Facelift 2017 430i

  • Quickest 0-100 km/h
    6.4 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    252 hp
    188 kW
  • Best power-to-weight
    140 hp/t
    104 kW/t
    7.2 kg/hp
  • Largest trunk
    370 L
  • Best overall score
    55/100
  • Best performance score
    59/100
  • Best practicality score
    48/100

BMW 4 Series Convertible (F33) 425d

  • Highest torque
    450 Nm
    332 lb-ft
  • Lightest
    1,745 kg
    3,847 lb
  • Lowest combined fuel consumption
    4.8 L/100 km
    49.0 mpg US
    58.9 mpg UK
  • Lowest city consumption
    5.9 L/100 km
    39.9 mpg US
    47.9 mpg UK
  • Lowest highway consumption
    4.7 L/100 km
    50.0 mpg US
    60.1 mpg UK
  • Best estimated range
    1,188 km
    738 mi
  • Best economy score
    94/100

Specification comparison

Specification comparison
ModelBMW4 Series Convertible (F33)Facelift 2017430iBMW4 Series Convertible (F33)425d
Power
252hp188kW
224hp167kW
Torque
350Nm258lb-ft
450Nm332lb-ft
Curb weight
1,805kg3,979lb
1,745kg3,847lb
Gross weight
2,255kg4,971lb
2,240kg4,938lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
241 km/h
150 mph
To 99% top speed
98.0s99% target: 257 km/h / 160 mph
Calculated
89.1s99% target: 239 km/h / 148 mph
Calculated
0-100 km/h
6.4s
6.7s
0-200 km/h
24.5s
Calculated
28.2s
Calculated
0-60 mph
6.1s
Calculated
6.3s
Calculated
Fuel consumption
6.7L/100 km35.1mpg US42.2mpg UK
4.8L/100 km49mpg US58.9mpg UK
Fuel consumption city
8.5L/100 km27.7mpg US33.2mpg UK
5.9L/100 km39.9mpg US47.9mpg UK
Fuel consumption highway
5.7L/100 km41.3mpg US49.6mpg UK
4.7L/100 km50mpg US60.1mpg UK
Quarter mile
14.5s
Calculated
14.8s
Calculated
Power-to-weight
140hp/t104kW/t63hp/1000 lb
Calculated
128hp/t96kW/t58hp/1000 lb
Calculated
Torque-to-weight
194Nm/t130lb-ft/ton
Calculated
258Nm/t173lb-ft/ton
Calculated
Estimated range
896km556mi
Calculated
1,188km738mi
Calculated
Displacement
1,998cc122cu in
1,995cc122cu in
Length
4,640mm183in
4,638mm183in
Width
1,825mm72in
1,825mm72in
Height
1,399mm55in
1,384mm54in
Wheelbase
2,810mm111in
2,810mm111in
Front track
1,543mm61in
1,545mm61in
Rear track
1,593mm63in
1,594mm63in
Ground clearance
145mm6in
130mm5in
Trunk volume
370L
370L
Doors
2
2
Seats
4
4
Fuel tank
60L
57L
CO2 emissions
156g/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 Convertible (F33) 425dPowerTorque
  • BMW 4 Series Convertible (F33) Facelift 2017 430i: Power / Torque
  • BMW 4 Series Convertible (F33) 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 Convertible (F33)425d4,400 rpm1,500-3,000 rpm4,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW4 Series Convertible (F33)Facelift 2017430iBMW4 Series Convertible (F33)425d
Acceleration checkpoints
0-60 mph
0-97 km/h
6.1 s
6.3 s
0-100 km/h
0-62 mph
6.4 s
6.7 s
0-200 km/h
0-124 mph
24.5 s
28.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
241 km/h
150 mph
Drag race simulation
60 ft
18 m
2.3 s
2.4 s
330 ft
101 m
6.3 s
6.4 s
1/8 mile
201 m
9.4 s
9.6 s
1000 ft
305 m
12.2 s
12.4 s
1/4 mile
402 m
14.5 s
14.8 s
Trap speed
1/4 mile
402 m
160 km/h
99 mph
155 km/h
96 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 Convertible (F33)425d
224 hp
167 kW

BMW 4 Series Convertible (F33) Facelift 2017 430i has 28 hp more than BMW 4 Series Convertible (F33) 425d.

The biggest power difference is between BMW 4 Series Convertible (F33) 425d and BMW 4 Series Convertible (F33) Facelift 2017 430i: 28 hp (21 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 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 Convertible (F33)Facelift 2017430i
1,805 kg
3,979 lb
BMW4 Series Convertible (F33)425d
1,745 kg
3,847 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 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 Convertible (F33)Facelift 2017430i6.4 s
BMW4 Series Convertible (F33)425d6.7 s

The biggest 0-100 km/h difference is between BMW 4 Series Convertible (F33) Facelift 2017 430i and BMW 4 Series Convertible (F33) 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
6.7 L/100 km
35.1 mpg US
42.2 mpg UK
BMW4 Series Convertible (F33)425d
4.8 L/100 km
49.0 mpg US
58.9 mpg UK

The biggest fuel consumption difference is between BMW 4 Series Convertible (F33) 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
140 hp/t
104 kW/t
7.2 kg/hp
BMW4 Series Convertible (F33)425d
128 hp/t
96 kW/t
7.8 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
896 km
556 mi
BMW4 Series Convertible (F33)425d
1,188 km
738 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 Convertible (F33)425d
224 hp
167 kW
6.7 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 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
1,399 mm
55.1 in
BMW4 Series Convertible (F33)425d
Power
224 hp
167 kW
0-100 km/h6.7 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 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
6.7 L/100 km
35.1 mpg US
42.2 mpg UK
BMW4 Series Convertible (F33)425d
Power
224 hp
167 kW
0-100 km/h6.7 s
Top speed
241 km/h
150 mph
4.8 L/100 km
49.0 mpg US
58.9 mpg UK

BMW 4 Series Convertible (F33) Facelift 2017 430i 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
6.7 L/100 km
35.1 mpg US
42.2 mpg UK
6.4 s
BMW4 Series Convertible (F33)425d
4.8 L/100 km
49.0 mpg US
58.9 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
140 hp/t
104 kW/t
7.2 kg/hp
6.7 L/100 km
35.1 mpg US
42.2 mpg UK
BMW4 Series Convertible (F33)425d
128 hp/t
96 kW/t
7.8 kg/hp
4.8 L/100 km
49.0 mpg US
58.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW4 Series Convertible (F33)Facelift 2017430iBMW4 Series Convertible (F33)425d
Power
252 hp
188 kW
224 hp
167 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
241 km/h
150 mph
Lightness
1,805 kg
3,979 lb
1,745 kg
3,847 lb
Fuel consumption
6.7 L/100 km
35.1 mpg US
42.2 mpg UK
4.8 L/100 km
49.0 mpg US
58.9 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
370 L
13.1 cu ft
Length
4,640 mm
182.7 in
Height
1,399 mm
55.1 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
896 km
556 mi
1,188 km
738 mi
CO2 score
156 g/km
-
Trunk score
370 L
13.1 cu ft
370 L
13.1 cu ft
Power-to-weight score
140 hp/t
104 kW/t
7.2 kg/hp
128 hp/t
96 kW/t
7.8 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 Convertible (F33) 425d
Consumption6.7 L/100 km35.1 mpg US42.2 mpg UK4.8 L/100 km49 mpg US58.9 mpg UK
Cost / 100 km11.73 LC100 km8.40 LC100 km
Cost / 100 mi18.87 LC100 mi13.52 LC100 mi
Annual fuel used1,005 L265 US gal221 UK gal720 L190 US gal158 UK gal
Annual fuel cost1,759 LC/year1,260 LC/year

Head-to-head comparisons

BMW 4 Series Convertible (F33) Facelift 2017 430i

  • Has 28 hp more
  • Is 0.3 s quicker from 0-100 km/h
  • Has 19 km/h (12 mph) higher top speed
  • Has 11 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
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Heaviest

BMW 4 Series Convertible (F33) 425d

  • Has 100 Nm more
  • Is 60 kg lighter
  • Uses 1.9 L/100 km less fuel
  • Has 292 km (181 mi) more estimated range

Pros

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

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 Convertible (F33) 425d
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BMW 4 Series Convertible (F33) · Facelift 2017 430i vs BMW 4 Series Convertible (F33) 425d - car comparison - FastVsFaster