Car comparison

BMW 2 Series Gran Coupe (F74) M235vsBMW 2 Series Convertible (F23) M240i

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

New comparison

BMW 2 Series Gran Coupe (F74)

M235

300 hp1998 ccGasolineAWDDual-clutchTurbochargedCoupe2024-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 Convertible (F23) M240i

  • Quickest 0-100 km/h
    4.7 s
  • Most powerful
    340 hp
    254 kW
  • Highest torque
    500 Nm
    369 lb-ft
  • Best power-to-weight
    209 hp/t
    156 kW/t
    4.8 kg/hp
  • 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 performance score
    71/100
  • Best economy score
    87/100

BMW 2 Series Gran Coupe (F74) M235

  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Lightest
    1,575 kg
    3,472 lb
  • Largest trunk
    430 L
  • Best overall score
    67/100
  • Best practicality score
    63/100

Specification comparison

Specification comparison
ModelBMW2 Series Gran Coupe (F74)M235BMW2 Series Convertible (F23)M240i
Power
300hp224kW
340hp254kW
Torque
400Nm295lb-ft
500Nm369lb-ft
Curb weight
1,575kg3,472lb
1,630kg3,594lb
Gross weight
2,130kg4,696lb
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
64.4s99% target: 262 km/h / 163 mph
Calculated
66.8s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.9s
4.7s
0-200 km/h
16.8s
Calculated
17.3s
Calculated
0-60 mph
4.7s
Calculated
4.5s
Calculated
Fuel consumption
8.2L/100 km28.7mpg US34.4mpg 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
13.0s
Calculated
12.9s
Calculated
Power-to-weight
190hp/t142kW/t86hp/1000 lb
Calculated
209hp/t156kW/t95hp/1000 lb
Calculated
Torque-to-weight
254Nm/t170lb-ft/ton
Calculated
307Nm/t205lb-ft/ton
Calculated
Estimated range
598km371mi
Calculated
703km437mi
Calculated
Displacement
1,998cc122cu in
2,998cc183cu in
Length
4,546mm179in
4,454mm175in
Width
1,800mm71in
1,774mm70in
Height
1,445mm57in
1,403mm55in
Wheelbase
2,670mm105in
2,690mm106in
Front track
1,562mm61in
1,516mm60in
Rear track
1,562mm61in
1,534mm60in
Ground clearance
145mm6in
130mm5in
Trunk volume
430L
280L
Max trunk volume-
335L
Doors
4
2
Seats
5
4
Fuel tank
49L
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 Gran Coupe (F74) M235BMW 2 Series Convertible (F23) M240iPowerTorque
  • BMW 2 Series Gran Coupe (F74) M235: Power / Torque
  • BMW 2 Series Convertible (F23) M240i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW2 Series Gran Coupe (F74)M2355,750-6,500 rpm2,000-4,500 rpm6,750 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 Gran Coupe (F74)M235BMW2 Series Convertible (F23)M240i
Acceleration checkpoints
0-60 mph
0-97 km/h
4.7 s
4.5 s
0-100 km/h
0-62 mph
4.9 s
4.7 s
0-200 km/h
0-124 mph
16.8 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
2.2 s
2.1 s
330 ft
101 m
5.7 s
5.5 s
1/8 mile
201 m
8.5 s
8.4 s
1000 ft
305 m
11.0 s
10.8 s
1/4 mile
402 m
13.0 s
12.9 s
Trap speed
1/4 mile
402 m
179 km/h
111 mph
177 km/h
110 mph

Power comparison

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

Chart data table
VehicleValue
BMW2 Series Gran Coupe (F74)M235
300 hp
224 kW
BMW2 Series Convertible (F23)M240i
340 hp
254 kW

BMW 2 Series Convertible (F23) M240i has 40 hp more than BMW 2 Series Gran Coupe (F74) M235.

The biggest power difference is between BMW 2 Series Gran Coupe (F74) M235 and BMW 2 Series Convertible (F23) M240i: 40 hp (30 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW2 Series Gran Coupe (F74)M235
400 Nm
295 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 Gran Coupe (F74)M235
1,575 kg
3,472 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 Gran Coupe (F74)M235
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 Gran Coupe (F74)M2354.9 s
BMW2 Series Convertible (F23)M240i4.7 s

The biggest 0-100 km/h difference is between BMW 2 Series Convertible (F23) M240i and BMW 2 Series Gran Coupe (F74) M235: 0.2 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 Gran Coupe (F74)M235
8.2 L/100 km
28.7 mpg US
34.4 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 Gran Coupe (F74) M235: 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
BMW2 Series Gran Coupe (F74)M235
190 hp/t
142 kW/t
5.2 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 Gran Coupe (F74)M235
598 km
371 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 Gran Coupe (F74)M235
300 hp
224 kW
4.9 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 Gran Coupe (F74)M235
Power
300 hp
224 kW
0-100 km/h4.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
430 L
15.2 cu ft
Length
4,546 mm
179.0 in
Height
1,445 mm
56.9 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 Gran Coupe (F74)M235
Power
300 hp
224 kW
0-100 km/h4.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
8.2 L/100 km
28.7 mpg US
34.4 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 Convertible (F23) 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 Gran Coupe (F74)M235
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
4.9 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 Gran Coupe (F74)M235
190 hp/t
142 kW/t
5.3 kg/hp
8.2 L/100 km
28.7 mpg US
34.4 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 Gran Coupe (F74)M235BMW2 Series Convertible (F23)M240i
Power
300 hp
224 kW
340 hp
254 kW
Torque
400 Nm
295 lb-ft
500 Nm
369 lb-ft
Acceleration
4.9 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
1,575 kg
3,472 lb
1,630 kg
3,594 lb
Fuel consumption
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
430 L
15.2 cu ft
Length
4,546 mm
179.0 in
Height
1,445 mm
56.9 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
598 km
371 mi
703 km
437 mi
CO2 score
-
169 g/km
Trunk score
430 L
15.2 cu ft
280 L
9.9 cu ft
Power-to-weight score
190 hp/t
142 kW/t
5.3 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 Gran Coupe (F74) M235BMW 2 Series Convertible (F23) M240i
Consumption8.2 L/100 km28.7 mpg US34.4 mpg UK7.4 L/100 km31.8 mpg US38.2 mpg UK
Cost / 100 km14.35 LC100 km12.95 LC100 km
Cost / 100 mi23.09 LC100 mi20.84 LC100 mi
Annual fuel used1,230 L325 US gal271 UK gal1,110 L293 US gal244 UK gal
Annual fuel cost2,153 LC/year1,943 LC/year

Head-to-head comparisons

BMW 2 Series Gran Coupe (F74) M235

  • Is 55 kg lighter
  • Has 5 km/h (3 mph) higher top speed
  • Has 150 L more trunk volume

Pros

  • Highest top speed
  • Lightest
  • Largest trunk

Cons

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

BMW 2 Series Convertible (F23) M240i

  • Has 40 hp more
  • Has 100 Nm more
  • Is 0.2 s quicker from 0-100 km/h
  • Uses 0.8 L/100 km less fuel
  • Has 18 hp/t better power-to-weight
  • Has 105 km (65 mi) more estimated range

Pros

  • Quickest 0-100 km/h in this comparison
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range

Cons

  • Heaviest
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 2 Series Gran Coupe (F74) M235
BMW 2 Series Convertible (F23) M240i
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