Car comparison

BMW 4 Series Convertible (F33) 420dvsBMW 2 Series Convertible (F23) 220i

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

New comparison

BMW 4 Series Convertible (F33)

420d

184 hp1995 ccDieselRWDAutomaticTurbochargedCabriolet / convertible2014-2015
VS

BMW 2 Series Convertible (F23)

220i

184 hp1997 ccGasolineRWDAutomaticTurbochargedCabriolet / convertible2015-2016

Comparison overview

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

Best choices

BMW 4 Series Convertible (F33) 420d

  • Fastest top speed
    228 km/h
    142 mph
  • Most powerful
    184 hp
    137 kW
  • Highest torque
    380 Nm
    280 lb-ft
  • 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
    4.3 L/100 km
    54.7 mpg US
    65.7 mpg UK
  • Lowest CO2 emissions
    127 g/km
  • Best estimated range
    1,188 km
    738 mi
  • Best overall score
    47/100
  • Best performance score
    49/100
  • Best economy score
    94/100

Specification comparison

Specification comparison
ModelBMW4 Series Convertible (F33)420dBMW2 Series Convertible (F23)220i
Power
184hp137kW
184hp137kW
Torque
380Nm280lb-ft
270Nm199lb-ft
Curb weight
1,690kg3,726lb
1,530kg3,373lb
Gross weight
2,160kg4,762lb
2,000kg4,409lb
Top speed
228 km/h
142 mph
226 km/h
140 mph
To 99% top speed
101.0s99% target: 226 km/h / 140 mph
Calculated
96.2s99% target: 224 km/h / 139 mph
Calculated
0-100 km/h
8.2s
7.6s
0-200 km/h
39.0s
Calculated
38.0s
Calculated
0-60 mph
7.8s
Calculated
7.2s
Calculated
Fuel consumption
4.8L/100 km49mpg US58.9mpg UK
6.5L/100 km36.2mpg US43.5mpg UK
Fuel consumption city
5.7L/100 km41.3mpg US49.6mpg UK
8.7L/100 km27mpg US32.5mpg UK
Fuel consumption highway
4.3L/100 km54.7mpg US65.7mpg UK
5.2L/100 km45.2mpg US54.3mpg UK
Quarter mile
15.9s
Calculated
15.5s
Calculated
Power-to-weight
109hp/t81kW/t49hp/1000 lb
Calculated
120hp/t90kW/t55hp/1000 lb
Calculated
Torque-to-weight
225Nm/t150lb-ft/ton
Calculated
176Nm/t118lb-ft/ton
Calculated
Estimated range
1,188km738mi
Calculated
800km497mi
Calculated
Displacement
1,995cc122cu in
1,997cc122cu in
Length
4,638mm183in
4,432mm174in
Width
1,825mm72in
1,774mm70in
Height
1,384mm54in
1,413mm56in
Wheelbase
2,810mm111in
2,690mm106in
Front track
1,545mm61in
1,521mm60in
Rear track
1,594mm63in
1,556mm61in
Ground clearance
130mm5in
140mm6in
Trunk volume
220L
280L
Max trunk volume
370L
-
Doors
2
2
Seats
4
4
Fuel tank
57L
52L
CO2 emissions
127g/km
152g/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) 420dBMW 2 Series Convertible (F23) 220iPowerTorque
  • BMW 4 Series Convertible (F33) 420d: Power / Torque
  • BMW 2 Series Convertible (F23) 220i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Convertible (F33)420d4,000 rpm1,750-2,750 rpm4,250 rpm
BMW2 Series Convertible (F23)220i5,000-6,250 rpm1,250-4,500 rpm6,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW4 Series Convertible (F33)420dBMW2 Series Convertible (F23)220i
Acceleration checkpoints
0-60 mph
0-97 km/h
7.8 s
7.2 s
0-100 km/h
0-62 mph
8.2 s
7.6 s
0-200 km/h
0-124 mph
39.0 s
38.0 s
Top speed
228 km/h
142 mph
226 km/h
140 mph
Drag race simulation
60 ft
18 m
2.6 s
2.4 s
330 ft
101 m
6.9 s
6.6 s
1/8 mile
201 m
10.4 s
10.0 s
1000 ft
305 m
13.4 s
13.0 s
1/4 mile
402 m
15.9 s
15.5 s
Trap speed
1/4 mile
402 m
144 km/h
90 mph
146 km/h
91 mph

Power comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (F33)420d
184 hp
137 kW
BMW2 Series Convertible (F23)220i
184 hp
137 kW

Torque comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (F33)420d
380 Nm
280 lb-ft
BMW2 Series Convertible (F23)220i
270 Nm
199 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (F33)420d
1,690 kg
3,726 lb
BMW2 Series Convertible (F23)220i
1,530 kg
3,373 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)420d
228 km/h
142 mph
BMW2 Series Convertible (F23)220i
226 km/h
140 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)420d8.2 s
BMW2 Series Convertible (F23)220i7.6 s

The biggest 0-100 km/h difference is between BMW 2 Series Convertible (F23) 220i and BMW 4 Series Convertible (F33) 420d: 0.6 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)420d
4.8 L/100 km
49.0 mpg US
58.9 mpg UK
BMW2 Series Convertible (F23)220i
6.5 L/100 km
36.2 mpg US
43.5 mpg UK

The biggest fuel consumption difference is between BMW 4 Series Convertible (F33) 420d and BMW 2 Series Convertible (F23) 220i: 1.7 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)420d
109 hp/t
81 kW/t
9.2 kg/hp
BMW2 Series Convertible (F23)220i
120 hp/t
90 kW/t
8.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (F33)420d
1,188 km
738 mi
BMW2 Series Convertible (F23)220i
800 km
497 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW4 Series Convertible (F33)420d
184 hp
137 kW
8.2 s
228 km/h
142 mph
BMW2 Series Convertible (F23)220i
184 hp
137 kW
7.6 s
226 km/h
140 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)420d
Power
184 hp
137 kW
0-100 km/h8.2 s
Top speed
228 km/h
142 mph
Doors/seats
2 doors
4 seats
Trunk
220 L
7.8 cu ft
Length
4,638 mm
182.6 in
Height
1,384 mm
54.5 in
BMW2 Series Convertible (F23)220i
Power
184 hp
137 kW
0-100 km/h7.6 s
Top speed
226 km/h
140 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

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)420d
Power
184 hp
137 kW
0-100 km/h8.2 s
Top speed
228 km/h
142 mph
4.8 L/100 km
49.0 mpg US
58.9 mpg UK
BMW2 Series Convertible (F23)220i
Power
184 hp
137 kW
0-100 km/h7.6 s
Top speed
226 km/h
140 mph
6.5 L/100 km
36.2 mpg US
43.5 mpg UK

BMW 4 Series Convertible (F33) 420d 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)420d
4.8 L/100 km
49.0 mpg US
58.9 mpg UK
8.2 s
BMW2 Series Convertible (F23)220i
6.5 L/100 km
36.2 mpg US
43.5 mpg UK
7.6 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)420d
109 hp/t
81 kW/t
9.2 kg/hp
4.8 L/100 km
49.0 mpg US
58.9 mpg UK
BMW2 Series Convertible (F23)220i
120 hp/t
90 kW/t
8.3 kg/hp
6.5 L/100 km
36.2 mpg US
43.5 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW4 Series Convertible (F33)420dBMW2 Series Convertible (F23)220i
Power
184 hp
137 kW
184 hp
137 kW
Torque
380 Nm
280 lb-ft
270 Nm
199 lb-ft
Acceleration
8.2 s
7.6 s
Top speed
228 km/h
142 mph
226 km/h
140 mph
Lightness
1,690 kg
3,726 lb
1,530 kg
3,373 lb
Fuel consumption
4.8 L/100 km
49.0 mpg US
58.9 mpg UK
6.5 L/100 km
36.2 mpg US
43.5 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
220 L
7.8 cu ft
Length
4,638 mm
182.6 in
Height
1,384 mm
54.5 in
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
Range score
1,188 km
738 mi
800 km
497 mi
CO2 score
127 g/km
152 g/km
Trunk score
220 L
7.8 cu ft
280 L
9.9 cu ft
Power-to-weight score
109 hp/t
81 kW/t
9.2 kg/hp
120 hp/t
90 kW/t
8.3 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) 420dBMW 2 Series Convertible (F23) 220i
Consumption4.8 L/100 km49 mpg US58.9 mpg UK6.5 L/100 km36.2 mpg US43.5 mpg UK
Cost / 100 km8.40 LC100 km11.38 LC100 km
Cost / 100 mi13.52 LC100 mi18.31 LC100 mi
Annual fuel used720 L190 US gal158 UK gal975 L258 US gal214 UK gal
Annual fuel cost1,260 LC/year1,706 LC/year

Head-to-head comparisons

BMW 4 Series Convertible (F33) 420d

  • Has 110 Nm more
  • Has 2 km/h (1 mph) higher top speed
  • Uses 1.7 L/100 km less fuel
  • Has 388 km (241 mi) more estimated range
  • Emits 25 g/km less CO2

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Heaviest
  • Smallest trunk

BMW 2 Series Convertible (F23) 220i

  • Is 160 kg lighter
  • Is 0.6 s quicker from 0-100 km/h
  • Has 11 hp/t better power-to-weight
  • Has 60 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Lowest top speed
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 4 Series Convertible (F33) 420d
BMW 2 Series Convertible (F23) 220i
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2 vehicles selected

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