Car comparison

BMW 4 Series Convertible (F33) 420ivsBMW 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)

420i

184 hp1997 ccGasolineRWDManualTurbochargedCabriolet / convertible2014-2016
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 2 Series Convertible (F23) 220i

  • Quickest 0-100 km/h
    7.6 s
  • Lightest
    1,530 kg
    3,373 lb
  • Best power-to-weight
    120 hp/t
    90 kW/t
    8.3 kg/hp
  • Lowest combined fuel consumption
    6.5 L/100 km
    36.2 mpg US
    43.5 mpg UK
  • Lowest city consumption
    8.7 L/100 km
    27.0 mpg US
    32.5 mpg UK
  • Lowest highway consumption
    5.2 L/100 km
    45.2 mpg US
    54.3 mpg UK
  • Lowest CO2 emissions
    152 g/km
  • Best performance score
    48/100

BMW 4 Series Convertible (F33) 420i

  • Fastest top speed
    230 km/h
    143 mph
  • Most powerful
    184 hp
    137 kW
  • Highest torque
    270 Nm
    199 lb-ft
  • Best estimated range
    882 km
    548 mi
  • Largest trunk
    370 L
  • Best overall score
    47/100
  • Best economy score
    89/100
  • Best practicality score
    47/100

Specification comparison

Specification comparison
ModelBMW4 Series Convertible (F33)420iBMW2 Series Convertible (F23)220i
Power
184hp137kW
184hp137kW
Torque
270Nm199lb-ft
270Nm199lb-ft
Curb weight
1,650kg3,638lb
1,530kg3,373lb
Gross weight
2,120kg4,674lb
2,000kg4,409lb
Top speed
230 km/h
143 mph
226 km/h
140 mph
To 99% top speed
104.6s99% target: 228 km/h / 141 mph
Calculated
96.2s99% target: 224 km/h / 139 mph
Calculated
0-100 km/h
8.2s
7.6s
0-200 km/h
38.7s
Calculated
38.0s
Calculated
0-60 mph
7.7s
Calculated
7.2s
Calculated
Fuel consumption
6.8L/100 km34.6mpg US41.5mpg UK
6.5L/100 km36.2mpg US43.5mpg UK
Fuel consumption city
9.3L/100 km25.3mpg US30.4mpg UK
8.7L/100 km27mpg US32.5mpg UK
Fuel consumption highway
5.4L/100 km43.6mpg US52.3mpg UK
5.2L/100 km45.2mpg US54.3mpg UK
Quarter mile
15.9s
Calculated
15.5s
Calculated
Power-to-weight
112hp/t83kW/t51hp/1000 lb
Calculated
120hp/t90kW/t55hp/1000 lb
Calculated
Torque-to-weight
164Nm/t109lb-ft/ton
Calculated
176Nm/t118lb-ft/ton
Calculated
Estimated range
882km548mi
Calculated
800km497mi
Calculated
Displacement
1,997cc122cu 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
370L
280L
Doors
2
2
Seats
4
4
Fuel tank
60L
52L
CO2 emissions
159g/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) 420iBMW 2 Series Convertible (F23) 220iPowerTorque
  • BMW 4 Series Convertible (F33) 420i: 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)420i5,000-6,250 rpm1,250-4,500 rpm6,500 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)420iBMW2 Series Convertible (F23)220i
Acceleration checkpoints
0-60 mph
0-97 km/h
7.7 s
7.2 s
0-100 km/h
0-62 mph
8.2 s
7.6 s
0-200 km/h
0-124 mph
38.7 s
38.0 s
Top speed
230 km/h
143 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
89 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)420i
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)420i
270 Nm
199 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)420i
1,650 kg
3,638 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)420i
230 km/h
143 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

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

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)420i
112 hp/t
83 kW/t
9.0 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)420i
882 km
548 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)420i
184 hp
137 kW
8.2 s
230 km/h
143 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)420i
Power
184 hp
137 kW
0-100 km/h8.2 s
Top speed
230 km/h
143 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
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)420i
Power
184 hp
137 kW
0-100 km/h8.2 s
Top speed
230 km/h
143 mph
6.8 L/100 km
34.6 mpg US
41.5 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 2 Series Convertible (F23) 220i 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)420i
6.8 L/100 km
34.6 mpg US
41.5 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)420i
112 hp/t
83 kW/t
9.0 kg/hp
6.8 L/100 km
34.6 mpg US
41.5 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)420iBMW2 Series Convertible (F23)220i
Power
184 hp
137 kW
184 hp
137 kW
Torque
270 Nm
199 lb-ft
270 Nm
199 lb-ft
Acceleration
8.2 s
7.6 s
Top speed
230 km/h
143 mph
226 km/h
140 mph
Lightness
1,650 kg
3,638 lb
1,530 kg
3,373 lb
Fuel consumption
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
6.5 L/100 km
36.2 mpg US
43.5 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
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
882 km
548 mi
800 km
497 mi
CO2 score
159 g/km
152 g/km
Trunk score
370 L
13.1 cu ft
280 L
9.9 cu ft
Power-to-weight score
112 hp/t
83 kW/t
9.0 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) 420iBMW 2 Series Convertible (F23) 220i
Consumption6.8 L/100 km34.6 mpg US41.5 mpg UK6.5 L/100 km36.2 mpg US43.5 mpg UK
Cost / 100 km11.90 LC100 km11.38 LC100 km
Cost / 100 mi19.15 LC100 mi18.31 LC100 mi
Annual fuel used1,020 L269 US gal224 UK gal975 L258 US gal214 UK gal
Annual fuel cost1,785 LC/year1,706 LC/year

Head-to-head comparisons

BMW 4 Series Convertible (F33) 420i

  • Has 4 km/h (2 mph) higher top speed
  • Has 82 km (51 mi) more estimated range
  • Has 90 L more trunk volume

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Highest CO2 emissions

BMW 2 Series Convertible (F23) 220i

  • Is 120 kg lighter
  • Is 0.6 s quicker from 0-100 km/h
  • Uses 0.3 L/100 km less fuel
  • Has 9 hp/t better power-to-weight
  • Emits 7 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio

Cons

  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 4 Series Convertible (F33) 420i
BMW 2 Series Convertible (F23) 220i
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BMW 4 Series Convertible (F33) 420i vs BMW 2 Series Convertible (F23) 220i - car comparison - FastVsFaster