Car comparison

BMW 2 Series Convertible (F23) 230ivsBMW 4 Series Convertible (F33) · Facelift 2017 430i

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

New comparison

BMW 2 Series Convertible (F23)

230i

252 hp1998 ccGasolineRWDAutomaticTurbochargedCabriolet / convertible2016-2017

BMW 4 Series Convertible (F33) · Facelift 2017

430i

252 hp1998 ccGasolineRWDAutomaticTurbochargedCabriolet / convertible2017-2020

Comparison overview

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

BMW 2 Series Convertible (F23) 230i

Quickest 0-100 km/h
5.9 s
Fastest top speed
260 km/h
162 mph Unrestricted
250 km/h
155 mph Restricted
Most powerful
252 hp
188 kW
Highest torque
350 Nm
258 lb-ft
Lightest
1,570 kg
3,461 lb
Best power-to-weight
161 hp/t
120 kW/t
6.2 kg/hp
Lowest combined fuel consumption
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
Lowest city consumption
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
Lowest highway consumption
5.3 L/100 km
44.4 mpg US
53.3 mpg UK
Lowest CO2 emissions
142 g/km
Best overall score
56/100
Best performance score
61/100
Best economy score
90/100

BMW 4 Series Convertible (F33) Facelift 2017 430i

Best estimated range
952 km
592 mi
Largest trunk
370 L
Best practicality score
47/100

Specification comparison

Specification comparison
Model	BMW2 Series Convertible (F23)230i	BMW4 Series Convertible (F33)Facelift 2017430i
Power	252hp188kW	252hp188kW
Torque	350Nm258lb-ft	350Nm258lb-ft
Curb weight	1,570kg3,461lb	1,735kg3,825lb
Gross weight	2,010kg4,431lb	2,195kg4,839lb
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	87.0s99% target: 257 km/h / 160 mph Calculated	93.0s99% target: 257 km/h / 160 mph Calculated
0-100 km/h	5.9s	6.3s
0-200 km/h	22.1s Calculated	23.7s Calculated
0-60 mph	5.6s Calculated	6.0s Calculated
Fuel consumption	6.2L/100 km37.9mpg US45.6mpg UK	6.3L/100 km37.3mpg US44.8mpg UK
Fuel consumption city	7.8L/100 km30.2mpg US36.2mpg UK	7.9L/100 km29.8mpg US35.8mpg UK
Fuel consumption highway	5.3L/100 km44.4mpg US53.3mpg UK	5.3L/100 km44.4mpg US53.3mpg UK
Quarter mile	14.0s Calculated	14.4s Calculated
Power-to-weight	161hp/t120kW/t73hp/1000 lb Calculated	145hp/t108kW/t66hp/1000 lb Calculated
Torque-to-weight	223Nm/t149lb-ft/ton Calculated	202Nm/t135lb-ft/ton Calculated
Estimated range	839km521mi Calculated	952km592mi Calculated
Displacement	1,998cc122cu in	1,998cc122cu in
Length	4,432mm174in	4,640mm183in
Width	1,774mm70in	1,825mm72in
Height	1,413mm56in	1,384mm54in
Wheelbase	2,690mm106in	2,810mm111in
Front track	1,521mm60in	1,544mm61in
Rear track	1,556mm61in	1,593mm63in
Ground clearance	140mm6in	130mm5in
Trunk volume	280L	370L
Max trunk volume	335L	-
Doors	2	2
Seats	4	4
Fuel tank	52L	60L
CO2 emissions	142g/km	146g/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 2 Series Convertible (F23) 230iBMW 4 Series Convertible (F33) Facelift 2017 430iPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW2 Series Convertible (F23)230i	5,200 rpm	1,450-4,800 rpm	5,450 rpm
BMW4 Series Convertible (F33)Facelift 2017430i	5,200 rpm	1,450-4,800 rpm	5,450 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BMW2 Series Convertible (F23)230i	BMW4 Series Convertible (F33)Facelift 2017430i
	Acceleration checkpoints
0-60 mph 0-97 km/h	5.6 s	6.0 s
0-100 km/h 0-62 mph	5.9 s	6.3 s
0-200 km/h 0-124 mph	22.1 s	23.7 s
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Likely limited	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Likely limited
	Drag race simulation
60 ft 18 m	2.3 s	2.3 s
330 ft 101 m	6.1 s	6.2 s
1/8 mile 201 m	9.2 s	9.4 s
1000 ft 305 m	11.8 s	12.1 s
1/4 mile 402 m	14.0 s	14.4 s
Trap speed 1/4 mile 402 m	164 km/h 102 mph	161 km/h 100 mph

Power comparison

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

Chart data table
Vehicle	Value
BMW2 Series Convertible (F23)230i	252 hp 188 kW
BMW4 Series Convertible (F33)Facelift 2017430i	252 hp 188 kW

Torque comparison

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

Chart data table
Vehicle	Value
BMW2 Series Convertible (F23)230i	350 Nm 258 lb-ft
BMW4 Series Convertible (F33)Facelift 2017430i	350 Nm 258 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
BMW2 Series Convertible (F23)230i	1,570 kg 3,461 lb
BMW4 Series Convertible (F33)Facelift 2017430i	1,735 kg 3,825 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
BMW2 Series Convertible (F23)230i	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph
BMW4 Series Convertible (F33)Facelift 2017430i	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
BMW2 Series Convertible (F23)230i	5.9 s
BMW4 Series Convertible (F33)Facelift 2017430i	6.3 s

The biggest 0-100 km/h difference is between BMW 2 Series Convertible (F23) 230i and BMW 4 Series Convertible (F33) Facelift 2017 430i: 0.4 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
BMW2 Series Convertible (F23)230i	6.2 L/100 km 37.9 mpg US 45.6 mpg UK
BMW4 Series Convertible (F33)Facelift 2017430i	6.3 L/100 km 37.3 mpg US 44.8 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
BMW2 Series Convertible (F23)230i	161 hp/t 120 kW/t 6.2 kg/hp
BMW4 Series Convertible (F33)Facelift 2017430i	145 hp/t 108 kW/t 6.9 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
BMW2 Series Convertible (F23)230i	839 km 521 mi
BMW4 Series Convertible (F33)Facelift 2017430i	952 km 592 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BMW2 Series Convertible (F23)230i	252 hp 188 kW	5.9 s	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph
BMW4 Series Convertible (F33)Facelift 2017430i	252 hp 188 kW	6.3 s	Unrestricted 260 km/h162 mph Restricted 250 km/h155 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

BMW2 Series Convertible (F23)230i

Power	252 hp 188 kW
0-100 km/h	5.9 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Doors/seats	2 doors 4 seats
Trunk	280 L 9.9 cu ft
Length	4,432 mm 174.5 in
Height	1,413 mm 55.6 in

BMW4 Series Convertible (F33)Facelift 2017430i

Power	252 hp 188 kW
0-100 km/h	6.3 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

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

BMW2 Series Convertible (F23)230i

Power	252 hp 188 kW
0-100 km/h	5.9 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

6.2 L/100 km

37.9 mpg US

45.6 mpg UK

BMW4 Series Convertible (F33)Facelift 2017430i

Power	252 hp 188 kW
0-100 km/h	6.3 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

BMW 2 Series Convertible (F23) 230i 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
BMW2 Series Convertible (F23)230i	6.2 L/100 km 37.9 mpg US 45.6 mpg UK	5.9 s
BMW4 Series Convertible (F33)Facelift 2017430i	6.3 L/100 km 37.3 mpg US 44.8 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
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
BMW2 Series Convertible (F23)230i	161 hp/t 120 kW/t 6.2 kg/hp	6.2 L/100 km 37.9 mpg US 45.6 mpg UK
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

Detailed score breakdown

Vehicle

BMW2 Series Convertible (F23)230i

BMW4 Series Convertible (F33)Facelift 2017430i

Power

252 hp

188 kW

252 hp

188 kW

Torque

350 Nm

258 lb-ft

350 Nm

258 lb-ft

Acceleration

5.9 s

6.3 s

Top speed

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

Lightness

1,570 kg

3,461 lb

1,735 kg

3,825 lb

Fuel consumption

6.2 L/100 km

37.9 mpg US

45.6 mpg UK

6.3 L/100 km

37.3 mpg US

44.8 mpg UK

Practicality

Doors/seats	2 doors 4 seats
Trunk	280 L 9.9 cu ft
Length	4,432 mm 174.5 in
Height	1,413 mm 55.6 in

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

Range score

839 km

521 mi

952 km

592 mi

CO2 score

142 g/km

146 g/km

Trunk score

280 L

9.9 cu ft

370 L

13.1 cu ft

Power-to-weight score

161 hp/t

120 kW/t

6.2 kg/hp

145 hp/t

108 kW/t

6.9 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 2 Series Convertible (F23) 230i	BMW 4 Series Convertible (F33) Facelift 2017 430i
Consumption	6.2 L/100 km37.9 mpg US45.6 mpg UK	6.3 L/100 km37.3 mpg US44.8 mpg UK
Cost / 100 km	10.85 LC100 km	11.03 LC100 km
Cost / 100 mi	17.46 LC100 mi	17.74 LC100 mi
Annual fuel used	930 L246 US gal205 UK gal	945 L250 US gal208 UK gal
Annual fuel cost	1,628 LC/year	1,654 LC/year