Car comparison

BMW 2 Series Coupe (G42) M240ivsBMW 2 Series Convertible (F23) M240i

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

New comparison

BMW 2 Series Coupe (G42)

M240i

381 hp2998 ccGasolineAWDAutomaticTurbochargedCoupe2025-present
VS

BMW 2 Series Convertible (F23)

M240i

340 hp2998 ccGasolineRWDAutomaticTurbochargedCabriolet / convertible2016-2017

Comparison overview

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

Best choices

BMW 2 Series Coupe (G42) M240i

  • Quickest 0-100 km/h
    4.3 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    381 hp
    284 kW
  • Highest torque
    540 Nm
    398 lb-ft
  • Best power-to-weight
    217 hp/t
    162 kW/t
    4.6 kg/hp
  • Largest trunk
    390 L
  • Best overall score
    68/100
  • Best performance score
    76/100
  • Best practicality score
    51/100

BMW 2 Series Convertible (F23) M240i

  • Lightest
    1,630 kg
    3,594 lb
  • Lowest combined fuel consumption
    7.4 L/100 km
    31.8 mpg US
    38.2 mpg UK
  • Best estimated range
    703 km
    437 mi
  • Best economy score
    87/100

Specification comparison

Specification comparison
ModelBMW2 Series Coupe (G42)M240iBMW2 Series Convertible (F23)M240i
Power
381hp284kW
340hp254kW
Torque
540Nm398lb-ft
500Nm369lb-ft
Curb weight
1,755kg3,869lb
1,630kg3,594lb
Gross weight
2,230kg4,916lb
2,060kg4,542lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
56.7s99% target: 262 km/h / 163 mph
Calculated
66.8s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.3s
4.7s
0-200 km/h
14.8s
Calculated
17.3s
Calculated
0-60 mph
4.1s
Calculated
4.5s
Calculated
Fuel consumption
8L/100 km29.4mpg US35.3mpg UK
7.4L/100 km31.8mpg US38.2mpg UK
Fuel consumption city-
9.8L/100 km24mpg US28.8mpg UK
Fuel consumption highway-
6L/100 km39.2mpg US47.1mpg UK
Quarter mile
12.4s
Calculated
12.9s
Calculated
Power-to-weight
217hp/t162kW/t98hp/1000 lb
Calculated
209hp/t156kW/t95hp/1000 lb
Calculated
Torque-to-weight
308Nm/t206lb-ft/ton
Calculated
307Nm/t205lb-ft/ton
Calculated
Estimated range
650km404mi
Calculated
703km437mi
Calculated
Displacement
2,998cc183cu in
2,998cc183cu in
Length
4,548mm179in
4,454mm175in
Width
1,838mm72in
1,774mm70in
Height
1,404mm55in
1,403mm55in
Wheelbase
2,741mm108in
2,690mm106in
Front track
1,579mm62in
1,516mm60in
Rear track
1,569mm62in
1,534mm60in
Ground clearance
128mm5in
130mm5in
Trunk volume
390L
280L
Max trunk volume-
335L
Doors
2
2
Seats
4
4
Fuel tank
52L
52L
CO2 emissions-
169g/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 Coupe (G42) M240iBMW 2 Series Convertible (F23) M240iPowerTorque
  • BMW 2 Series Coupe (G42) M240i: Power / Torque
  • BMW 2 Series Convertible (F23) M240i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW2 Series Coupe (G42)M240i5,200-6,250 rpm1,900-4,800 rpm6,500 rpm
BMW2 Series Convertible (F23)M240i5,500 rpm1,520-4,500 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW2 Series Coupe (G42)M240iBMW2 Series Convertible (F23)M240i
Acceleration checkpoints
0-60 mph
0-97 km/h
4.1 s
4.5 s
0-100 km/h
0-62 mph
4.3 s
4.7 s
0-200 km/h
0-124 mph
14.8 s
17.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.0 s
2.1 s
330 ft
101 m
5.4 s
5.5 s
1/8 mile
201 m
8.1 s
8.4 s
1000 ft
305 m
10.4 s
10.8 s
1/4 mile
402 m
12.4 s
12.9 s
Trap speed
1/4 mile
402 m
185 km/h
115 mph
177 km/h
110 mph

Power comparison

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

Chart data table
VehicleValue
BMW2 Series Coupe (G42)M240i
381 hp
284 kW
BMW2 Series Convertible (F23)M240i
340 hp
254 kW

BMW 2 Series Coupe (G42) M240i has 41 hp more than BMW 2 Series Convertible (F23) M240i.

The biggest power difference is between BMW 2 Series Convertible (F23) M240i and BMW 2 Series Coupe (G42) M240i: 41 hp (31 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW2 Series Coupe (G42)M240i
540 Nm
398 lb-ft
BMW2 Series Convertible (F23)M240i
500 Nm
369 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW2 Series Coupe (G42)M240i
1,755 kg
3,869 lb
BMW2 Series Convertible (F23)M240i
1,630 kg
3,594 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMW2 Series Coupe (G42)M240i
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW2 Series Convertible (F23)M240i
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
VehicleValue
BMW2 Series Coupe (G42)M240i4.3 s
BMW2 Series Convertible (F23)M240i4.7 s

The biggest 0-100 km/h difference is between BMW 2 Series Coupe (G42) M240i and BMW 2 Series Convertible (F23) M240i: 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
VehicleValue
BMW2 Series Coupe (G42)M240i
8.0 L/100 km
29.4 mpg US
35.3 mpg UK
BMW2 Series Convertible (F23)M240i
7.4 L/100 km
31.8 mpg US
38.2 mpg UK

The biggest fuel consumption difference is between BMW 2 Series Convertible (F23) M240i and BMW 2 Series Coupe (G42) M240i: 0.6 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
BMW2 Series Coupe (G42)M240i
217 hp/t
162 kW/t
4.6 kg/hp
BMW2 Series Convertible (F23)M240i
209 hp/t
156 kW/t
4.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW2 Series Coupe (G42)M240i
650 km
404 mi
BMW2 Series Convertible (F23)M240i
703 km
437 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW2 Series Coupe (G42)M240i
381 hp
284 kW
4.3 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW2 Series Convertible (F23)M240i
340 hp
254 kW
4.7 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.

Chart data table
VehiclePerformance scorePracticality score
BMW2 Series Coupe (G42)M240i
Power
381 hp
284 kW
0-100 km/h4.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
390 L
13.8 cu ft
Length
4,548 mm
179.1 in
Height
1,404 mm
55.3 in
BMW2 Series Convertible (F23)M240i
Power
340 hp
254 kW
0-100 km/h4.7 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
4,454 mm
175.4 in
Height
1,403 mm
55.2 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
BMW2 Series Coupe (G42)M240i
Power
381 hp
284 kW
0-100 km/h4.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
8.0 L/100 km
29.4 mpg US
35.3 mpg UK
BMW2 Series Convertible (F23)M240i
Power
340 hp
254 kW
0-100 km/h4.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.4 L/100 km
31.8 mpg US
38.2 mpg UK

BMW 2 Series Coupe (G42) M240i 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
BMW2 Series Coupe (G42)M240i
8.0 L/100 km
29.4 mpg US
35.3 mpg UK
4.3 s
BMW2 Series Convertible (F23)M240i
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
4.7 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
BMW2 Series Coupe (G42)M240i
217 hp/t
162 kW/t
4.6 kg/hp
8.0 L/100 km
29.4 mpg US
35.3 mpg UK
BMW2 Series Convertible (F23)M240i
209 hp/t
156 kW/t
4.8 kg/hp
7.4 L/100 km
31.8 mpg US
38.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW2 Series Coupe (G42)M240iBMW2 Series Convertible (F23)M240i
Power
381 hp
284 kW
340 hp
254 kW
Torque
540 Nm
398 lb-ft
500 Nm
369 lb-ft
Acceleration
4.3 s
4.7 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,755 kg
3,869 lb
1,630 kg
3,594 lb
Fuel consumption
8.0 L/100 km
29.4 mpg US
35.3 mpg UK
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
390 L
13.8 cu ft
Length
4,548 mm
179.1 in
Height
1,404 mm
55.3 in
Doors/seats
2 doors
4 seats
Trunk
280 L
9.9 cu ft
Length
4,454 mm
175.4 in
Height
1,403 mm
55.2 in
Range score
650 km
404 mi
703 km
437 mi
CO2 score
-
169 g/km
Trunk score
390 L
13.8 cu ft
280 L
9.9 cu ft
Power-to-weight score
217 hp/t
162 kW/t
4.6 kg/hp
209 hp/t
156 kW/t
4.8 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 2 Series Coupe (G42) M240iBMW 2 Series Convertible (F23) M240i
Consumption8 L/100 km29.4 mpg US35.3 mpg UK7.4 L/100 km31.8 mpg US38.2 mpg UK
Cost / 100 km14.00 LC100 km12.95 LC100 km
Cost / 100 mi22.53 LC100 mi20.84 LC100 mi
Annual fuel used1,200 L317 US gal264 UK gal1,110 L293 US gal244 UK gal
Annual fuel cost2,100 LC/year1,943 LC/year

Head-to-head comparisons

BMW 2 Series Coupe (G42) M240i

  • Has 41 hp more
  • Has 40 Nm more
  • Is 0.4 s quicker from 0-100 km/h
  • Has 5 km/h (3 mph) higher top speed
  • Has 9 hp/t better power-to-weight
  • Has 110 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Heaviest

BMW 2 Series Convertible (F23) M240i

  • Is 125 kg lighter
  • Uses 0.6 L/100 km less fuel
  • Has 53 km (33 mi) more estimated range

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 2 Series Coupe (G42) M240i
BMW 2 Series Convertible (F23) M240i
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