Car comparison

BMW 4 Series Convertible (F33) · Facelift 2017 430ivsBMW 4 Series Gran Coupe (F36) 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 ccGasolineRWDAutomaticTurbochargedCabriolet / convertible2017-2020
VS

BMW 4 Series Gran Coupe (F36)

425d

224 hp1995 ccDieselRWDAutomaticTurbochargedCoupe2016-2016

Comparison overview

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

Best choices

BMW 4 Series Gran Coupe (F36) 425d

  • Highest torque
    450 Nm
    332 lb-ft
  • Lightest
    1,560 kg
    3,439 lb
  • 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
    4.2 L/100 km
    56.0 mpg US
    67.3 mpg UK
  • Lowest CO2 emissions
    127 g/km
  • Best estimated range
    1,188 km
    738 mi
  • Largest trunk
    480 L
  • Best overall score
    63/100
  • Best performance score
    60/100
  • Best economy score
    94/100
  • Best practicality score
    68/100

Specification comparison

Specification comparison
ModelBMW4 Series Convertible (F33)Facelift 2017430iBMW4 Series Gran Coupe (F36)425d
Power
252hp188kW
224hp167kW
Torque
350Nm258lb-ft
450Nm332lb-ft
Curb weight
1,735kg3,825lb
1,560kg3,439lb
Gross weight
2,195kg4,839lb
2,120kg4,674lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
247 km/h
153 mph
To 99% top speed
93.0s99% target: 257 km/h / 160 mph
Calculated
83.4s99% target: 245 km/h / 152 mph
Calculated
0-100 km/h
6.3s
6.3s
0-200 km/h
23.7s
Calculated
24.9s
Calculated
0-60 mph
6.0s
Calculated
6.0s
Calculated
Fuel consumption
6.3L/100 km37.3mpg US44.8mpg UK
4.8L/100 km49mpg US58.9mpg UK
Fuel consumption city
7.9L/100 km29.8mpg US35.8mpg UK
5.7L/100 km41.3mpg US49.6mpg UK
Fuel consumption highway
5.3L/100 km44.4mpg US53.3mpg UK
4.2L/100 km56mpg US67.3mpg UK
Quarter mile
14.4s
Calculated
14.4s
Calculated
Power-to-weight
145hp/t108kW/t66hp/1000 lb
Calculated
144hp/t107kW/t65hp/1000 lb
Calculated
Torque-to-weight
202Nm/t135lb-ft/ton
Calculated
288Nm/t193lb-ft/ton
Calculated
Estimated range
952km592mi
Calculated
1,188km738mi
Calculated
Displacement
1,998cc122cu in
1,995cc122cu in
Length
4,640mm183in
4,638mm183in
Width
1,825mm72in
1,825mm72in
Height
1,384mm54in
1,389mm55in
Wheelbase
2,810mm111in
2,810mm111in
Front track
1,544mm61in
1,545mm61in
Rear track
1,593mm63in
1,594mm63in
Ground clearance
130mm5in
130mm5in
Trunk volume
370L
480L
Max trunk volume-
1,300L
Doors
2
5
Seats
4
5
Fuel tank
60L
57L
CO2 emissions
146g/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 Convertible (F33) Facelift 2017 430iBMW 4 Series Gran Coupe (F36) 425dPowerTorque
  • BMW 4 Series Convertible (F33) Facelift 2017 430i: Power / Torque
  • BMW 4 Series Gran Coupe (F36) 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 Gran Coupe (F36)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 Gran Coupe (F36)425d
Acceleration checkpoints
0-60 mph
0-97 km/h
6.0 s
6.0 s
0-100 km/h
0-62 mph
6.3 s
6.3 s
0-200 km/h
0-124 mph
23.7 s
24.9 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
2.3 s
2.3 s
330 ft
101 m
6.2 s
6.2 s
1/8 mile
201 m
9.4 s
9.4 s
1000 ft
305 m
12.1 s
12.1 s
1/4 mile
402 m
14.4 s
14.4 s
Trap speed
1/4 mile
402 m
161 km/h
100 mph
160 km/h
99 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 Gran Coupe (F36)425d
224 hp
167 kW

BMW 4 Series Convertible (F33) Facelift 2017 430i has 28 hp more than BMW 4 Series Gran Coupe (F36) 425d.

The biggest power difference is between BMW 4 Series Gran Coupe (F36) 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 Gran Coupe (F36)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
1,735 kg
3,825 lb
BMW4 Series Gran Coupe (F36)425d
1,560 kg
3,439 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 Gran Coupe (F36)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 2017430i6.3 s
BMW4 Series Gran Coupe (F36)425d6.3 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
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
BMW4 Series Gran Coupe (F36)425d
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) 425d and BMW 4 Series Convertible (F33) Facelift 2017 430i: 1.5 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
145 hp/t
108 kW/t
6.9 kg/hp
BMW4 Series Gran Coupe (F36)425d
144 hp/t
107 kW/t
7.0 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
952 km
592 mi
BMW4 Series Gran Coupe (F36)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
6.3 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMW4 Series Gran Coupe (F36)425d
224 hp
167 kW
6.3 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/h6.3 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 Gran Coupe (F36)425d
Power
224 hp
167 kW
0-100 km/h6.3 s
Top speed
247 km/h
153 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 Convertible (F33)Facelift 2017430i
Power
252 hp
188 kW
0-100 km/h6.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
BMW4 Series Gran Coupe (F36)425d
Power
224 hp
167 kW
0-100 km/h6.3 s
Top speed
247 km/h
153 mph
4.8 L/100 km
49.0 mpg US
58.9 mpg UK

BMW 4 Series Gran Coupe (F36) 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
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
6.3 s
BMW4 Series Gran Coupe (F36)425d
4.8 L/100 km
49.0 mpg US
58.9 mpg UK
6.3 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
145 hp/t
108 kW/t
6.9 kg/hp
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
BMW4 Series Gran Coupe (F36)425d
144 hp/t
107 kW/t
7.0 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 Gran Coupe (F36)425d
Power
252 hp
188 kW
224 hp
167 kW
Torque
350 Nm
258 lb-ft
450 Nm
332 lb-ft
Acceleration
6.3 s
6.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
247 km/h
153 mph
Lightness
1,735 kg
3,825 lb
1,560 kg
3,439 lb
Fuel consumption
6.3 L/100 km
37.3 mpg US
44.8 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
1,384 mm
54.5 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
952 km
592 mi
1,188 km
738 mi
CO2 score
146 g/km
127 g/km
Trunk score
370 L
13.1 cu ft
480 L
17.0 cu ft
Power-to-weight score
145 hp/t
108 kW/t
6.9 kg/hp
144 hp/t
107 kW/t
7.0 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 Gran Coupe (F36) 425d
Consumption6.3 L/100 km37.3 mpg US44.8 mpg UK4.8 L/100 km49 mpg US58.9 mpg UK
Cost / 100 km11.03 LC100 km8.40 LC100 km
Cost / 100 mi17.74 LC100 mi13.52 LC100 mi
Annual fuel used945 L250 US gal208 UK gal720 L190 US gal158 UK gal
Annual fuel cost1,654 LC/year1,260 LC/year

Head-to-head comparisons

BMW 4 Series Convertible (F33) Facelift 2017 430i

  • Has 28 hp more
  • Has 13 km/h (8 mph) higher top speed
  • Has 2 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 Gran Coupe (F36) 425d

  • Has 100 Nm more
  • Is 175 kg lighter
  • Uses 1.5 L/100 km less fuel
  • Has 235 km (146 mi) more estimated range
  • Has 110 L more trunk volume
  • Emits 19 g/km less CO2

Pros

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

Cons

  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 4 Series Convertible (F33) 430i
BMW 4 Series Gran Coupe (F36) 425d
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