BMW 4 Series Convertible (F33)
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 comparisonBMW 2 Series Convertible (F23)
220i
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/h7.6 s
- Lightest1,530 kg3,373 lb
- Best power-to-weight120 hp/t90 kW/t8.3 kg/hp
- Lowest combined fuel consumption6.5 L/100 km36.2 mpg US43.5 mpg UK
- Lowest city consumption8.7 L/100 km27.0 mpg US32.5 mpg UK
- Lowest highway consumption5.2 L/100 km45.2 mpg US54.3 mpg UK
- Lowest CO2 emissions152 g/km
- Best performance score48/100
BMW 4 Series Convertible (F33) 420i
- Fastest top speed230 km/h143 mph
- Most powerful184 hp137 kW
- Highest torque270 Nm199 lb-ft
- Best estimated range882 km548 mi
- Largest trunk370 L
- Best overall score47/100
- Best economy score89/100
- Best practicality score47/100
Specification comparison
| Model | BMW4 Series Convertible (F33)420i | BMW2 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) 420i: Power / Torque
- BMW 2 Series Convertible (F23) 220i: Power / Torque
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| BMW4 Series Convertible (F33)420i | 5,000-6,250 rpm | 1,250-4,500 rpm | 6,500 rpm |
| BMW2 Series Convertible (F23)220i | 5,000-6,250 rpm | 1,250-4,500 rpm | 6,500 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | BMW4 Series Convertible (F33)420i | BMW2 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
| Vehicle | Value |
|---|---|
| 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
| Vehicle | Value |
|---|---|
| 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
| Vehicle | Value |
|---|---|
| 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
| Vehicle | Value |
|---|---|
| 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
| Vehicle | Value |
|---|---|
| BMW4 Series Convertible (F33)420i | 8.2 s |
| BMW2 Series Convertible (F23)220i | 7.6 s |
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
| Vehicle | Value |
|---|---|
| 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
| Vehicle | Value |
|---|---|
| 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
| Vehicle | Value |
|---|---|
| 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.
| Vehicle | Power | Acceleration | Top 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.
| Vehicle | Performance score | Practicality score | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BMW4 Series Convertible (F33)420i |
|
| ||||||||||||||
| BMW2 Series Convertible (F23)220i |
|
| ||||||||||||||
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)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 | ||||||
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.
| Vehicle | Fuel consumption, L/100 km | 0-100 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.
| Vehicle | Power-to-weight, hp/t | Fuel 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
| Vehicle | BMW4 Series Convertible (F33)420i | BMW2 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 |
|
| ||||||||||||||||
| 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
| Vehicle | BMW 4 Series Convertible (F33) 420i | BMW 2 Series Convertible (F23) 220i |
|---|---|---|
| Consumption | 6.8 L/100 km34.6 mpg US41.5 mpg UK | 6.5 L/100 km36.2 mpg US43.5 mpg UK |
| Cost / 100 km | 11.90 LC100 km | 11.38 LC100 km |
| Cost / 100 mi | 19.15 LC100 mi | 18.31 LC100 mi |
| Annual fuel used | 1,020 L269 US gal224 UK gal | 975 L258 US gal214 UK gal |
| Annual fuel cost | 1,785 LC/year | 1,706 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
Popular comparisons























