Car comparison

Mini Convertible (F57) · Facelift 2021 Cooper S 2.0vsBMW 4 Series Convertible (F33) · Facelift 2017 420i

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

New comparison

Mini Convertible (F57) · Facelift 2021

Cooper S 2.0

178 hp1998 ccGasolineFWDAutomaticTurbochargedCabriolet / convertible2021-2024
VS

BMW 4 Series Convertible (F33) · Facelift 2017

420i

184 hp1998 ccGasolineRWDManualTurbochargedCabriolet / convertible2017-2020

Comparison overview

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

Best choices

Mini Convertible (F57) Facelift 2021 Cooper S 2.0

  • Quickest 0-100 km/h
    6.9 s
  • Fastest top speed
    230 km/h
    143 mph
  • Lightest
    1,325 kg
    2,921 lb
  • Best power-to-weight
    134 hp/t
    100 kW/t
    7.4 kg/hp
  • Lowest combined fuel consumption
    5.8 L/100 km
    40.6 mpg US
    48.7 mpg UK
  • Lowest city consumption
    6.9 L/100 km
    34.1 mpg US
    40.9 mpg UK
  • Lowest highway consumption
    5.1 L/100 km
    46.1 mpg US
    55.4 mpg UK
  • Best overall score
    47/100
  • Best performance score
    51/100
  • Best economy score
    91/100

Specification comparison

Specification comparison
ModelMiniConvertible (F57)Facelift 2021Cooper S 2.0BMW4 Series Convertible (F33)Facelift 2017420i
Power
178hp133kW
184hp137kW
Torque
280Nm207lb-ft
290Nm214lb-ft
Curb weight
1,325kg2,921lb
1,700kg3,748lb
Gross weight
1,745kg3,847lb
2,170kg4,784lb
Top speed
230 km/h
143 mph
230 km/h
143 mph
To 99% top speed
88.2s99% target: 228 km/h / 141 mph
Calculated
105.7s99% target: 228 km/h / 141 mph
Calculated
0-100 km/h
6.9s
8.2s
0-200 km/h
32.6s
Calculated
39.0s
Calculated
0-60 mph
6.5s
Calculated
7.7s
Calculated
Fuel consumption
5.8L/100 km40.6mpg US48.7mpg UK
6.6L/100 km35.6mpg US42.8mpg UK
Fuel consumption city
6.9L/100 km34.1mpg US40.9mpg UK
8.6L/100 km27.4mpg US32.8mpg UK
Fuel consumption highway
5.1L/100 km46.1mpg US55.4mpg UK
5.5L/100 km42.8mpg US51.4mpg UK
Quarter mile
15.0s
Calculated
15.9s
Calculated
Power-to-weight
134hp/t100kW/t61hp/1000 lb
Calculated
108hp/t81kW/t49hp/1000 lb
Calculated
Torque-to-weight
211Nm/t141lb-ft/ton
Calculated
171Nm/t114lb-ft/ton
Calculated
Estimated range
759km471mi
Calculated
909km565mi
Calculated
Displacement
1,998cc122cu in
1,998cc122cu in
Length
3,876mm153in
4,640mm183in
Width
1,727mm68in
1,825mm72in
Height
1,415mm56in
1,384mm54in
Wheelbase
2,495mm98in
2,810mm111in
Front track
1,485mm58in
1,544mm61in
Rear track
1,485mm58in
1,593mm63in
Ground clearance
115mm5in
130mm5in
Trunk volume
160L
370L
Max trunk volume
215L
-
Doors
2
2
Seats
4
4
Fuel tank
44L
60L
CO2 emissions-
153g/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.

Mini Convertible (F57) Facelift 2021 Cooper S 2.0BMW 4 Series Convertible (F33) Facelift 2017 420iPowerTorque
  • Mini Convertible (F57) Facelift 2021 Cooper S 2.0: Power / Torque
  • BMW 4 Series Convertible (F33) Facelift 2017 420i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
MiniConvertible (F57)Facelift 2021Cooper S 2.05,000-5,500 rpm1,350-4,200 rpm5,750 rpm
BMW4 Series Convertible (F33)Facelift 2017420i5,000 rpm1,350-4,600 rpm5,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMiniConvertible (F57)Facelift 2021Cooper S 2.0BMW4 Series Convertible (F33)Facelift 2017420i
Acceleration checkpoints
0-60 mph
0-97 km/h
6.5 s
7.7 s
0-100 km/h
0-62 mph
6.9 s
8.2 s
0-200 km/h
0-124 mph
32.6 s
39.0 s
Top speed
230 km/h
143 mph
230 km/h
143 mph
Drag race simulation
60 ft
18 m
2.4 s
2.5 s
330 ft
101 m
6.4 s
6.8 s
1/8 mile
201 m
9.7 s
10.4 s
1000 ft
305 m
12.6 s
13.4 s
1/4 mile
402 m
15.0 s
15.9 s
Trap speed
1/4 mile
402 m
152 km/h
94 mph
144 km/h
89 mph

Power comparison

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

Chart data table
VehicleValue
MiniConvertible (F57)Facelift 2021Cooper S 2.0
178 hp
133 kW
BMW4 Series Convertible (F33)Facelift 2017420i
184 hp
137 kW

BMW 4 Series Convertible (F33) Facelift 2017 420i has 6 hp more than Mini Convertible (F57) Facelift 2021 Cooper S 2.0.

The biggest power difference is between Mini Convertible (F57) Facelift 2021 Cooper S 2.0 and BMW 4 Series Convertible (F33) Facelift 2017 420i: 6 hp (4 kW).

Torque comparison

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

Chart data table
VehicleValue
MiniConvertible (F57)Facelift 2021Cooper S 2.0
280 Nm
207 lb-ft
BMW4 Series Convertible (F33)Facelift 2017420i
290 Nm
214 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
MiniConvertible (F57)Facelift 2021Cooper S 2.0
1,325 kg
2,921 lb
BMW4 Series Convertible (F33)Facelift 2017420i
1,700 kg
3,748 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
MiniConvertible (F57)Facelift 2021Cooper S 2.0
230 km/h
143 mph
BMW4 Series Convertible (F33)Facelift 2017420i
230 km/h
143 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
MiniConvertible (F57)Facelift 2021Cooper S 2.06.9 s
BMW4 Series Convertible (F33)Facelift 2017420i8.2 s

Although BMW 4 Series Convertible (F33) Facelift 2017 420i has more power, Mini Convertible (F57) Facelift 2021 Cooper S 2.0 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mini Convertible (F57) Facelift 2021 Cooper S 2.0 and BMW 4 Series Convertible (F33) Facelift 2017 420i: 1.3 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
MiniConvertible (F57)Facelift 2021Cooper S 2.0
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
BMW4 Series Convertible (F33)Facelift 2017420i
6.6 L/100 km
35.6 mpg US
42.8 mpg UK

The biggest fuel consumption difference is between Mini Convertible (F57) Facelift 2021 Cooper S 2.0 and BMW 4 Series Convertible (F33) Facelift 2017 420i: 0.8 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
MiniConvertible (F57)Facelift 2021Cooper S 2.0
134 hp/t
100 kW/t
7.4 kg/hp
BMW4 Series Convertible (F33)Facelift 2017420i
108 hp/t
81 kW/t
9.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
MiniConvertible (F57)Facelift 2021Cooper S 2.0
759 km
471 mi
BMW4 Series Convertible (F33)Facelift 2017420i
909 km
565 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
MiniConvertible (F57)Facelift 2021Cooper S 2.0
178 hp
133 kW
6.9 s
230 km/h
143 mph
BMW4 Series Convertible (F33)Facelift 2017420i
184 hp
137 kW
8.2 s
230 km/h
143 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
MiniConvertible (F57)Facelift 2021Cooper S 2.0
Power
178 hp
133 kW
0-100 km/h6.9 s
Top speed
230 km/h
143 mph
Doors/seats
2 doors
4 seats
Trunk
160 L
5.7 cu ft
Length
3,876 mm
152.6 in
Height
1,415 mm
55.7 in
BMW4 Series Convertible (F33)Facelift 2017420i
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
4,640 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.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
MiniConvertible (F57)Facelift 2021Cooper S 2.0
Power
178 hp
133 kW
0-100 km/h6.9 s
Top speed
230 km/h
143 mph
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
BMW4 Series Convertible (F33)Facelift 2017420i
Power
184 hp
137 kW
0-100 km/h8.2 s
Top speed
230 km/h
143 mph
6.6 L/100 km
35.6 mpg US
42.8 mpg UK

Mini Convertible (F57) Facelift 2021 Cooper S 2.0 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
MiniConvertible (F57)Facelift 2021Cooper S 2.0
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
6.9 s
BMW4 Series Convertible (F33)Facelift 2017420i
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
8.2 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
MiniConvertible (F57)Facelift 2021Cooper S 2.0
134 hp/t
100 kW/t
7.4 kg/hp
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
BMW4 Series Convertible (F33)Facelift 2017420i
108 hp/t
81 kW/t
9.2 kg/hp
6.6 L/100 km
35.6 mpg US
42.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMiniConvertible (F57)Facelift 2021Cooper S 2.0BMW4 Series Convertible (F33)Facelift 2017420i
Power
178 hp
133 kW
184 hp
137 kW
Torque
280 Nm
207 lb-ft
290 Nm
214 lb-ft
Acceleration
6.9 s
8.2 s
Top speed
230 km/h
143 mph
230 km/h
143 mph
Lightness
1,325 kg
2,921 lb
1,700 kg
3,748 lb
Fuel consumption
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
160 L
5.7 cu ft
Length
3,876 mm
152.6 in
Height
1,415 mm
55.7 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
759 km
471 mi
909 km
565 mi
CO2 score
-
153 g/km
Trunk score
160 L
5.7 cu ft
370 L
13.1 cu ft
Power-to-weight score
134 hp/t
100 kW/t
7.4 kg/hp
108 hp/t
81 kW/t
9.2 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
VehicleMini Convertible (F57) Facelift 2021 Cooper S 2.0BMW 4 Series Convertible (F33) Facelift 2017 420i
Consumption5.8 L/100 km40.6 mpg US48.7 mpg UK6.6 L/100 km35.6 mpg US42.8 mpg UK
Cost / 100 km10.15 LC100 km11.55 LC100 km
Cost / 100 mi16.33 LC100 mi18.59 LC100 mi
Annual fuel used870 L230 US gal191 UK gal990 L262 US gal218 UK gal
Annual fuel cost1,523 LC/year1,733 LC/year

Head-to-head comparisons

Mini Convertible (F57) Facelift 2021 Cooper S 2.0

  • Is 375 kg lighter
  • Is 1.3 s quicker from 0-100 km/h
  • Uses 0.8 L/100 km less fuel
  • Has 26 hp/t better power-to-weight

Pros

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

Cons

  • Lowest power
  • Smallest trunk

BMW 4 Series Convertible (F33) Facelift 2017 420i

  • Has 6 hp more
  • Has 10 Nm more
  • Has 150 km (93 mi) more estimated range
  • Has 210 L more trunk volume

Pros

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

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mini Convertible (F57) Cooper S 2.0
BMW 4 Series Convertible (F33) 420i
Compare selected cars
2 vehicles selected

Popular comparisons

Cooper S 2.0
Cooper S 2.0
VS
MiniConvertible (F57)Facelift 2021Cooper S 2.0vsMiniConvertible (F67)Cooper S 2.0
420i
420i
VS
BMW4 Series Convertible (F33)Facelift 2017420ivsBMW4 Series Convertible (F33)420i
Cooper S 2.0
Cooper S 2.0
VS
MiniConvertible (F57)Facelift 2021Cooper S 2.0vsMiniConvertible (F57)Facelift 2018Cooper S 2.0
420i
420i
VS
BMW4 Series Convertible (F33)Facelift 2017420ivsBMW4 Series Convertible (G23)420i
Cooper S 2.0
Cooper SD 2.0
VS
MiniConvertible (F57)Facelift 2021Cooper S 2.0vsMiniConvertible (F57)Cooper SD 2.0
420i
420i
VS
BMW4 Series Convertible (F33)Facelift 2017420ivsBMW4 Series Coupe (F32)Facelift 2017420i
Cooper S 2.0
Cooper S 1.6
VS
MiniConvertible (F57)Facelift 2021Cooper S 2.0vsMiniConvertible (R57)Facelift 2011Cooper S 1.6
420i
420i
VS
BMW4 Series Convertible (F33)Facelift 2017420ivsBMW4 Series Gran Coupe (F36)Facelift 2017420i
Cooper S 2.0
Cooper S 1.6i 16V Turbo
VS
MiniConvertible (F57)Facelift 2021Cooper S 2.0vsMiniConvertible (R57)Cooper S 1.6i 16V Turbo
420i
420i
VS
BMW4 Series Convertible (F33)Facelift 2017420ivsBMW4 Series Gran Coupe (F36)420i
Cooper S 2.0
Cooper S 1.6i 16V
VS
MiniConvertible (F57)Facelift 2021Cooper S 2.0vsMiniConvertible (R52)Cooper S 1.6i 16V
420i
420i
VS
BMW4 Series Convertible (F33)Facelift 2017420ivsBMW4 Series Coupe (F32)420i
Mini Convertible (F57) · Facelift 2021 Cooper S 2.0 vs BMW 4 Series Convertible (F33) · Facelift 2017 420i - car comparison - FastVsFaster