Car comparison

BMW 4 Series Convertible (F33) 425dvsBMW 4 Series Gran Coupe (F36) · Facelift 2017 420d

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

New comparison

BMW 4 Series Convertible (F33)

425d

224 hp1995 ccDieselRWDAutomaticTurbochargedCabriolet / convertible2016-2017

BMW 4 Series Gran Coupe (F36) · Facelift 2017

420d

190 hp1995 ccDieselRWDManualTurbochargedCoupe2017-2021

Comparison overview

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

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

Lightest
1,520 kg
3,351 lb
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
Best estimated range
1,267 km
787 mi
Largest trunk
480 L
Best overall score
58/100
Best economy score
95/100
Best practicality score
65/100

BMW 4 Series Convertible (F33) 425d

Quickest 0-100 km/h
6.7 s
Fastest top speed
241 km/h
150 mph
Most powerful
224 hp
167 kW
Highest torque
450 Nm
332 lb-ft
Best power-to-weight
128 hp/t
96 kW/t
7.8 kg/hp
Best performance score
57/100

Specification comparison

Specification comparison
Model	BMW4 Series Convertible (F33)425d	BMW4 Series Gran Coupe (F36)Facelift 2017420d
Power	224hp167kW	190hp142kW
Torque	450Nm332lb-ft	400Nm295lb-ft
Curb weight	1,745kg3,847lb	1,520kg3,351lb
Gross weight	2,240kg4,938lb	2,080kg4,586lb
Top speed	241 km/h 150 mph	240 km/h 149 mph
To 99% top speed	89.1s99% target: 239 km/h / 148 mph Calculated	95.7s99% target: 238 km/h / 148 mph Calculated
0-100 km/h	6.7s	7.5s
0-200 km/h	28.2s Calculated	31.2s Calculated
0-60 mph	6.3s Calculated	7.1s Calculated
Fuel consumption	4.8L/100 km49mpg US58.9mpg UK	4.5L/100 km52.3mpg US62.8mpg UK
Fuel consumption city	5.9L/100 km39.9mpg US47.9mpg UK	5.5L/100 km42.8mpg US51.4mpg UK
Fuel consumption highway	4.7L/100 km50mpg US60.1mpg UK	3.9L/100 km60.3mpg US72.4mpg UK
Quarter mile	14.8s Calculated	15.4s Calculated
Power-to-weight	128hp/t96kW/t58hp/1000 lb Calculated	125hp/t93kW/t57hp/1000 lb Calculated
Torque-to-weight	258Nm/t173lb-ft/ton Calculated	263Nm/t176lb-ft/ton Calculated
Estimated range	1,188km738mi Calculated	1,267km787mi Calculated
Displacement	1,995cc122cu in	1,995cc122cu in
Length	4,638mm183in	4,640mm183in
Width	1,825mm72in	1,825mm72in
Height	1,384mm54in	1,389mm55in
Wheelbase	2,810mm111in	2,810mm111in
Front track	1,545mm61in	1,545mm61in
Rear track	1,594mm63in	1,592mm63in
Ground clearance	130mm5in	130mm5in
Trunk volume	370L	480L
Max trunk volume	-	1,300L
Doors	2	4
Seats	4	5
Fuel tank	57L	57L
CO2 emissions	-	119g/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) 425dBMW 4 Series Gran Coupe (F36) Facelift 2017 420dPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW4 Series Convertible (F33)425d	4,400 rpm	1,500-3,000 rpm	4,650 rpm
BMW4 Series Gran Coupe (F36)Facelift 2017420d	4,000 rpm	1,750-2,500 rpm	4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BMW4 Series Convertible (F33)425d	BMW4 Series Gran Coupe (F36)Facelift 2017420d
	Acceleration checkpoints
0-60 mph 0-97 km/h	6.3 s	7.1 s
0-100 km/h 0-62 mph	6.7 s	7.5 s
0-200 km/h 0-124 mph	28.2 s	31.2 s
Top speed	241 km/h 150 mph	240 km/h 149 mph
	Drag race simulation
60 ft 18 m	2.4 s	2.5 s
330 ft 101 m	6.4 s	6.7 s
1/8 mile 201 m	9.6 s	10.1 s
1000 ft 305 m	12.4 s	13.0 s
1/4 mile 402 m	14.8 s	15.4 s
Trap speed 1/4 mile 402 m	155 km/h 96 mph	151 km/h 94 mph

Power comparison

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

Chart data table
Vehicle	Value
BMW4 Series Convertible (F33)425d	224 hp 167 kW
BMW4 Series Gran Coupe (F36)Facelift 2017420d	190 hp 142 kW

BMW 4 Series Convertible (F33) 425d has 34 hp more than BMW 4 Series Gran Coupe (F36) Facelift 2017 420d.

The biggest power difference is between BMW 4 Series Gran Coupe (F36) Facelift 2017 420d and BMW 4 Series Convertible (F33) 425d: 34 hp (25 kW).

Torque comparison

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

Chart data table
Vehicle	Value
BMW4 Series Convertible (F33)425d	450 Nm 332 lb-ft
BMW4 Series Gran Coupe (F36)Facelift 2017420d	400 Nm 295 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
BMW4 Series Convertible (F33)425d	1,745 kg 3,847 lb
BMW4 Series Gran Coupe (F36)Facelift 2017420d	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
Vehicle	Value
BMW4 Series Convertible (F33)425d	241 km/h 150 mph
BMW4 Series Gran Coupe (F36)Facelift 2017420d	240 km/h 149 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
BMW4 Series Convertible (F33)425d	6.7 s
BMW4 Series Gran Coupe (F36)Facelift 2017420d	7.5 s

The biggest 0-100 km/h difference is between BMW 4 Series Convertible (F33) 425d and BMW 4 Series Gran Coupe (F36) Facelift 2017 420d: 0.8 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
Vehicle	Value
BMW4 Series Convertible (F33)425d	4.8 L/100 km 49.0 mpg US 58.9 mpg UK
BMW4 Series Gran Coupe (F36)Facelift 2017420d	4.5 L/100 km 52.3 mpg US 62.8 mpg UK

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
Vehicle	Value
BMW4 Series Convertible (F33)425d	128 hp/t 96 kW/t 7.8 kg/hp
BMW4 Series Gran Coupe (F36)Facelift 2017420d	125 hp/t 93 kW/t 8.0 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
BMW4 Series Convertible (F33)425d	1,188 km 738 mi
BMW4 Series Gran Coupe (F36)Facelift 2017420d	1,267 km 787 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BMW4 Series Convertible (F33)425d	224 hp 167 kW	6.7 s	241 km/h 150 mph
BMW4 Series Gran Coupe (F36)Facelift 2017420d	190 hp 142 kW	7.5 s	240 km/h 149 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Vehicle

Performance score

Practicality score

BMW4 Series Convertible (F33)425d

Power	224 hp 167 kW
0-100 km/h	6.7 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

BMW4 Series Gran Coupe (F36)Facelift 2017420d

Power	190 hp 142 kW
0-100 km/h	7.5 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

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Vehicle

Performance score

Fuel economy score

BMW4 Series Convertible (F33)425d

Power	224 hp 167 kW
0-100 km/h	6.7 s
Top speed 241 km/h 150 mph

4.8 L/100 km

49.0 mpg US

58.9 mpg UK

BMW4 Series Gran Coupe (F36)Facelift 2017420d

Power	190 hp 142 kW
0-100 km/h	7.5 s
Top speed 240 km/h 149 mph

4.5 L/100 km

52.3 mpg US

62.8 mpg UK

BMW 4 Series Convertible (F33) 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
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
BMW4 Series Convertible (F33)425d	4.8 L/100 km 49.0 mpg US 58.9 mpg UK	6.7 s
BMW4 Series Gran Coupe (F36)Facelift 2017420d	4.5 L/100 km 52.3 mpg US 62.8 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
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
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
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

Detailed score breakdown

Vehicle

BMW4 Series Convertible (F33)425d

BMW4 Series Gran Coupe (F36)Facelift 2017420d

Power

224 hp

167 kW

190 hp

142 kW

Torque

450 Nm

332 lb-ft

400 Nm

295 lb-ft

Acceleration

6.7 s

7.5 s

Top speed

241 km/h

150 mph

240 km/h

149 mph

Lightness

1,745 kg

3,847 lb

1,520 kg

3,351 lb

Fuel consumption

4.8 L/100 km

49.0 mpg US

58.9 mpg UK

4.5 L/100 km

52.3 mpg US

62.8 mpg UK

Practicality

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

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

Range score

1,188 km

738 mi

1,267 km

787 mi

CO2 score

119 g/km

Trunk score

370 L

13.1 cu ft

480 L

17.0 cu ft

Power-to-weight score

128 hp/t

96 kW/t

7.8 kg/hp

125 hp/t

93 kW/t

8.0 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

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
Vehicle	BMW 4 Series Convertible (F33) 425d	BMW 4 Series Gran Coupe (F36) Facelift 2017 420d
Consumption	4.8 L/100 km49 mpg US58.9 mpg UK	4.5 L/100 km52.3 mpg US62.8 mpg UK
Cost / 100 km	8.40 LC100 km	7.88 LC100 km
Cost / 100 mi	13.52 LC100 mi	12.67 LC100 mi
Annual fuel used	720 L190 US gal158 UK gal	675 L178 US gal148 UK gal
Annual fuel cost	1,260 LC/year	1,181 LC/year