Car comparison

BMW 2 Series Convertible (F23 LCI) · Facelift 2017 M240i · Stage 3vsBMW 2 Series Convertible (F23 LCI) · Facelift 2017 M240i · Stage 2vsBMW 2 Series Convertible (F23 LCI) · Facelift 2017 M240i · Stage 1vsBMW 2 Series Convertible (F23 LCI) · Facelift 2017 M240i

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

New comparison
BMW logo

BMW 2 Series Convertible (F23 LCI) · Facelift 2017

M240i (Stage 3)

510 hp2998 ccGasolineAWDAutomaticTurbochargedCabriolet / convertible2017-2021
VS
BMW logo

BMW 2 Series Convertible (F23 LCI) · Facelift 2017

M240i (Stage 2)

442 hp2998 ccGasolineAWDAutomaticTurbochargedCabriolet / convertible2017-2021
VS
BMW logo

BMW 2 Series Convertible (F23 LCI) · Facelift 2017

M240i (Stage 1)

401 hp2998 ccGasolineAWDAutomaticTurbochargedCabriolet / convertible2017-2021
VS
BMW logo

BMW 2 Series Convertible (F23 LCI) · Facelift 2017

M240i

340 hp2998 ccGasolineAWDAutomaticTurbochargedCabriolet / convertible2017-2021

Comparison overview

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

Best choices

BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 3) 510 hp

  • Quickest 0-100 km/h
    3.6 s
  • Fastest top speed
    292 km/h
    181 mph
  • Most powerful
    510 hp
    380 kW
  • Highest torque
    775 Nm
    572 lb-ft
  • Lightest
    1,685 kg
    3,715 lb
  • Best power-to-weight
    303 hp/t
    226 kW/t
    3.3 kg/hp
  • Lowest combined fuel consumption
    7.8 L/100 km
    30.2 mpg US
    36.2 mpg UK
  • Lowest city consumption
    10.4 L/100 km
    22.6 mpg US
    27.2 mpg UK
  • Lowest highway consumption
    6.3 L/100 km
    37.3 mpg US
    44.8 mpg UK
  • Lowest CO2 emissions
    179 g/km
  • Best estimated range
    667 km
    414 mi
  • Largest trunk
    280 L
  • Best overall score
    75/100
  • Best performance score
    89/100
  • Best economy score
    86/100
  • Best practicality score
    44/100

Specification comparison

Specification comparison
ModelBMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 3)510 hpBMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 2)442 hpBMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 1)401 hpBMW2 Series Convertible (F23 LCI)Facelift 2017M240i340 hp
Power
510hp380kW+170 hp
442hp330kW+102 hp
401hp299kW+61 hp
340hp254kW
Torque
775Nm572lb-ft+275 Nm
675Nm498lb-ft+175 Nm
610Nm450lb-ft+110 Nm
500Nm369lb-ft
Curb weight
1,685kg3,715lb
1,685kg3,715lb
1,685kg3,715lb
1,685kg3,715lb
Gross weight
2,110kg4,652lb
2,110kg4,652lb
2,110kg4,652lb
2,110kg4,652lb
Top speed
292 km/h
181 mph
+32 km/h
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
+30 km/h
Calculated
273 km/h
170 mph
+13 km/h
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
52.4s99% target: 289 km/h / 180 mph-15.1 s
Calculated
60.8s99% target: 287 km/h / 178 mph-6.7 s
Calculated
61.6s99% target: 270 km/h / 168 mph-5.9 s
Calculated
67.5s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
3.6s-1.0 s
3.9s-0.7 s
4.2s-0.4 s
4.6s
0-200 km/h
11.1s-6.1 s
Calculated
12.6s-4.6 s
Calculated
14.3s-2.9 s
Calculated
17.2s
Calculated
0-60 mph
3.4s-1.0 s
Calculated
3.7s-0.6 s
Calculated
3.9s-0.4 s
Calculated
4.4s
Calculated
Fuel consumption
7.8L/100 km30.2mpg US36.2mpg UK
7.8L/100 km30.2mpg US36.2mpg UK
7.8L/100 km30.2mpg US36.2mpg UK
7.8L/100 km30.2mpg US36.2mpg UK
Fuel consumption city
10.4L/100 km22.6mpg US27.2mpg UK
10.4L/100 km22.6mpg US27.2mpg UK
10.4L/100 km22.6mpg US27.2mpg UK
10.4L/100 km22.6mpg US27.2mpg UK
Fuel consumption highway
6.3L/100 km37.3mpg US44.8mpg UK
6.3L/100 km37.3mpg US44.8mpg UK
6.3L/100 km37.3mpg US44.8mpg UK
6.3L/100 km37.3mpg US44.8mpg UK
Quarter mile
11.4s-1.4 s
Calculated
11.9s-0.9 s
Calculated
12.2s-0.6 s
Calculated
12.8s
Calculated
Power-to-weight
303hp/t226kW/t137hp/1000 lb
Calculated
262hp/t196kW/t119hp/1000 lb
Calculated
238hp/t178kW/t108hp/1000 lb
Calculated
202hp/t150kW/t92hp/1000 lb
Calculated
Torque-to-weight
460Nm/t308lb-ft/ton
Calculated
401Nm/t268lb-ft/ton
Calculated
362Nm/t242lb-ft/ton
Calculated
297Nm/t199lb-ft/ton
Calculated
Estimated range
667km414mi
Calculated
667km414mi
Calculated
667km414mi
Calculated
667km414mi
Calculated
Displacement
2,998cc183cu in
2,998cc183cu in
2,998cc183cu in
2,998cc183cu in
Length
4,454mm175in
4,454mm175in
4,454mm175in
4,454mm175in
Width
1,774mm70in
1,774mm70in
1,774mm70in
1,774mm70in
Height
1,403mm55in
1,403mm55in
1,403mm55in
1,403mm55in
Wheelbase
2,690mm106in
2,690mm106in
2,690mm106in
2,690mm106in
Front track
1,516mm60in
1,516mm60in
1,516mm60in
1,516mm60in
Rear track
1,534mm60in
1,534mm60in
1,534mm60in
1,534mm60in
Ground clearance
130mm5in
130mm5in
130mm5in
130mm5in
Trunk volume
280L
280L
280L
280L
Max trunk volume
335L
335L
335L
335L
Doors
2
2
2
2
Seats
4
4
4
4
Fuel tank
52L
52L
52L
52L
CO2 emissions
179g/km
179g/km
179g/km
179g/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 Convertible (F23 LCI) Facelift 2017 M240i (Stage 3) 510 hpBMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 2) 442 hpBMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 1) 401 hpBMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i 340 hpPowerTorque
  • BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 3) 510 hp: Power / Torque
  • BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 2) 442 hp: Power / Torque
  • BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 1) 401 hp: Power / Torque
  • BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i 340 hp: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 3)510 hp5,500 rpm1,520-4,500 rpm5,750 rpm
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 2)442 hp5,500 rpm1,520-4,500 rpm5,750 rpm
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 1)401 hp5,500 rpm1,520-4,500 rpm5,750 rpm
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i340 hp5,500 rpm1,520-4,500 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 3)510 hpBMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 2)442 hpBMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 1)401 hpBMW2 Series Convertible (F23 LCI)Facelift 2017M240i340 hp
Acceleration checkpoints
0-60 mph
0-97 km/h
3.4 s
3.7 s
3.9 s
4.4 s
0-100 km/h
0-62 mph
3.6 s
3.9 s
4.2 s
4.6 s
0-200 km/h
0-124 mph
11.1 s
12.6 s
14.3 s
17.2 s
Top speed
292 km/h
181 mph
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Likely limited
273 km/h
170 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
1.9 s
2.0 s
2.0 s
2.0 s
330 ft
101 m
5.0 s
5.2 s
5.3 s
5.5 s
1/8 mile
201 m
7.5 s
7.8 s
8.0 s
8.3 s
1000 ft
305 m
9.6 s
10.0 s
10.3 s
10.7 s
1/4 mile
402 m
11.4 s
11.9 s
12.2 s
12.8 s
Trap speed
1/4 mile
402 m
203 km/h
126 mph
195 km/h
121 mph
187 km/h
116 mph
177 km/h
110 mph

Power comparison

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

BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 3) 510 hp has 170 hp more than BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i 340 hp.

The biggest power difference is between BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i 340 hp and BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 3) 510 hp: 170 hp (127 kW).

Curb weight comparison

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

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / 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 LCI) Facelift 2017 M240i (Stage 3) 510 hp and BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i 340 hp: 1.0 s.

The closest cars by acceleration are BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 2) 442 hp and BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 1) 401 hp, separated by only 0.2 s.

Fuel consumption comparison

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

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 3)510 hp
510 hp
380 kW
3.6 s
292 km/h
181 mph
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 2)442 hp
442 hp
330 kW
3.9 s
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 1)401 hp
401 hp
299 kW
4.2 s
273 km/h
170 mph
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i340 hp
340 hp
254 kW
4.6 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 Convertible (F23 LCI)Facelift 2017M240i (Stage 3)510 hp
Power
510 hp
380 kW
0-100 km/h3.6 s
Top speed
292 km/h
181 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
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 2)442 hp
Power
442 hp
330 kW
0-100 km/h3.9 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 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
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 1)401 hp
Power
401 hp
299 kW
0-100 km/h4.2 s
Top speed
273 km/h
170 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
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i340 hp
Power
340 hp
254 kW
0-100 km/h4.6 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 Convertible (F23 LCI)Facelift 2017M240i (Stage 3)510 hp
Power
510 hp
380 kW
0-100 km/h3.6 s
Top speed
292 km/h
181 mph
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 2)442 hp
Power
442 hp
330 kW
0-100 km/h3.9 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 1)401 hp
Power
401 hp
299 kW
0-100 km/h4.2 s
Top speed
273 km/h
170 mph
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i340 hp
Power
340 hp
254 kW
0-100 km/h4.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.8 L/100 km
30.2 mpg US
36.2 mpg UK

BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 3) 510 hp 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 Convertible (F23 LCI)Facelift 2017M240i (Stage 3)510 hp
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
3.6 s
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 2)442 hp
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
3.9 s
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 1)401 hp
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
4.2 s
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i340 hp
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
4.6 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
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 3)510 hp
303 hp/t
226 kW/t
3.3 kg/hp
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 2)442 hp
262 hp/t
196 kW/t
3.8 kg/hp
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 1)401 hp
238 hp/t
178 kW/t
4.2 kg/hp
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
BMW2 Series Convertible (F23 LCI)Facelift 2017M240i340 hp
202 hp/t
150 kW/t
5.0 kg/hp
7.8 L/100 km
30.2 mpg US
36.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 3)510 hpBMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 2)442 hpBMW2 Series Convertible (F23 LCI)Facelift 2017M240i (Stage 1)401 hpBMW2 Series Convertible (F23 LCI)Facelift 2017M240i340 hp
Power
510 hp
380 kW
442 hp
330 kW
401 hp
299 kW
340 hp
254 kW
Torque
775 Nm
572 lb-ft
675 Nm
498 lb-ft
610 Nm
450 lb-ft
500 Nm
369 lb-ft
Acceleration
3.6 s
3.9 s
4.2 s
4.6 s
Top speed
292 km/h
181 mph
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
273 km/h
170 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,685 kg
3,715 lb
1,685 kg
3,715 lb
1,685 kg
3,715 lb
1,685 kg
3,715 lb
Fuel consumption
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
Practicality
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
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
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
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
667 km
414 mi
667 km
414 mi
667 km
414 mi
667 km
414 mi
CO2 score
179 g/km
179 g/km
179 g/km
179 g/km
Trunk score
280 L
9.9 cu ft
280 L
9.9 cu ft
280 L
9.9 cu ft
280 L
9.9 cu ft
Power-to-weight score
303 hp/t
226 kW/t
3.3 kg/hp
262 hp/t
196 kW/t
3.8 kg/hp
238 hp/t
178 kW/t
4.2 kg/hp
202 hp/t
150 kW/t
5.0 kg/hp
Overall
Fixed score
Fixed score
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 Convertible (F23 LCI) Facelift 2017 M240i (Stage 3) 510 hpBMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 2) 442 hpBMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 1) 401 hpBMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i 340 hp
Consumption7.8 L/100 km30.2 mpg US36.2 mpg UK7.8 L/100 km30.2 mpg US36.2 mpg UK7.8 L/100 km30.2 mpg US36.2 mpg UK7.8 L/100 km30.2 mpg US36.2 mpg UK
Cost / 100 km13.65 LC100 km13.65 LC100 km13.65 LC100 km13.65 LC100 km
Cost / 100 mi21.97 LC100 mi21.97 LC100 mi21.97 LC100 mi21.97 LC100 mi
Annual fuel used1,170 L309 US gal257 UK gal1,170 L309 US gal257 UK gal1,170 L309 US gal257 UK gal1,170 L309 US gal257 UK gal
Annual fuel cost2,048 LC/year2,048 LC/year2,048 LC/year2,048 LC/year

Head-to-head comparisons

BMW 2 Series Convertible (F23 LCI) Facelift 2017 M240i (Stage 3) 510 hp

  • Has 68 hp more
  • Has 100 Nm more
  • Is 0.3 s quicker from 0-100 km/h
  • Has 2 km/h (1 mph) higher top speed
  • Has 40 hp/t better power-to-weight

Pros

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

Cons

  • Highest CO2 emissions

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Popular comparisons

BMW 2 Series Convertible (F23 LCI) · Facelift 2017 M240i · Stage 3 vs BMW 2 Series Convertible (F23 LCI) · Facelift 2017 M240i · Stage 2 vs BMW 2 Series Convertible (F23 LCI) · Facelift 2017 M240i · Stage 1 vs BMW 2 Series Convertible (F23 LCI) · Facelift 2017 M240i - car comparison - FastVsFaster