Car comparison

BMW 4 Series Convertible (G23) M440i · Stage 3vsBMW 4 Series Convertible (G23) M440i · Stage 2vsBMW 4 Series Convertible (G23) M440i · Stage 1vsBMW 4 Series Convertible (G23) M440i

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

New comparison

BMW 4 Series Convertible (G23)

M440i (Stage 3)

561 hp2998 ccGasolineAWDAutomaticTurbochargedCabriolet / convertible2020-2024
VS

BMW 4 Series Convertible (G23)

M440i (Stage 2)

486 hp2998 ccGasolineAWDAutomaticTurbochargedCabriolet / convertible2020-2024
VS

BMW 4 Series Convertible (G23)

M440i (Stage 1)

441 hp2998 ccGasolineAWDAutomaticTurbochargedCabriolet / convertible2020-2024
VS

BMW 4 Series Convertible (G23)

M440i

374 hp2998 ccGasolineAWDAutomaticTurbochargedCabriolet / convertible2020-2024

Comparison overview

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

Best choices

BMW 4 Series Convertible (G23) M440i (Stage 3) 561 hp

  • Quickest 0-100 km/h
    3.8 s
  • Fastest top speed
    339 km/h
    211 mph
  • Most powerful
    561 hp
    418 kW
  • Highest torque
    775 Nm
    572 lb-ft
  • Lightest
    1,890 kg
    4,167 lb
  • Best power-to-weight
    297 hp/t
    221 kW/t
    3.4 kg/hp
  • Lowest combined fuel consumption
    7.4 L/100 km
    31.8 mpg US
    38.2 mpg UK
  • Lowest city consumption
    9.3 L/100 km
    25.3 mpg US
    30.4 mpg UK
  • Lowest highway consumption
    6.2 L/100 km
    37.9 mpg US
    45.6 mpg UK
  • Best estimated range
    797 km
    495 mi
  • Largest trunk
    300 L
  • Best overall score
    77/100
  • Best performance score
    92/100
  • Best economy score
    87/100
  • Best practicality score
    45/100

Specification comparison

Specification comparison
ModelBMW4 Series Convertible (G23)M440i (Stage 3)561 hpBMW4 Series Convertible (G23)M440i (Stage 2)486 hpBMW4 Series Convertible (G23)M440i (Stage 1)441 hpBMW4 Series Convertible (G23)M440i374 hp
Power
561hp418kW+187 hp
486hp363kW+112 hp
441hp329kW+67 hp
374hp279kW
Torque
775Nm572lb-ft+275 Nm
675Nm498lb-ft+175 Nm
610Nm450lb-ft+110 Nm
500Nm369lb-ft
Curb weight
1,890kg4,167lb
1,890kg4,167lb
1,890kg4,167lb
1,890kg4,167lb
Gross weight
2,390kg5,269lb
2,390kg5,269lb
2,390kg5,269lb
2,390kg5,269lb
Top speed
339 km/h
211 mph
+79 km/h
323 km/h
201 mph
+63 km/h
312 km/h
194 mph
+52 km/h
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
62.8s99% target: 336 km/h / 209 mph-3.1 s
Calculated
68.8s99% target: 320 km/h / 199 mph+3.0 s
Calculated
72.6s99% target: 309 km/h / 192 mph+6.8 s
Calculated
65.8s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
3.8s-1.1 s
4.2s-0.7 s
4.4s-0.5 s
4.9s
0-200 km/h
10.5s-7.0 s
Calculated
12.1s-5.5 s
Calculated
13.3s-4.3 s
Calculated
17.6s
Calculated
0-60 mph
3.6s-1.0 s
Calculated
4.0s-0.7 s
Calculated
4.2s-0.4 s
Calculated
4.7s
Calculated
Fuel consumption
7.4L/100 km31.8mpg US38.2mpg UK
7.4L/100 km31.8mpg US38.2mpg UK
7.4L/100 km31.8mpg US38.2mpg UK
7.4L/100 km31.8mpg US38.2mpg UK
Fuel consumption city
9.3L/100 km25.3mpg US30.4mpg UK
9.3L/100 km25.3mpg US30.4mpg UK
9.3L/100 km25.3mpg US30.4mpg UK
9.3L/100 km25.3mpg US30.4mpg UK
Fuel consumption highway
6.2L/100 km37.9mpg US45.6mpg UK
6.2L/100 km37.9mpg US45.6mpg UK
6.2L/100 km37.9mpg US45.6mpg UK
6.2L/100 km37.9mpg US45.6mpg UK
Quarter mile
11.5s-1.6 s
Calculated
12.0s-1.1 s
Calculated
12.3s-0.7 s
Calculated
13.0s
Calculated
Power-to-weight
297hp/t221kW/t135hp/1000 lb
Calculated
257hp/t192kW/t117hp/1000 lb
Calculated
234hp/t174kW/t106hp/1000 lb
Calculated
198hp/t148kW/t90hp/1000 lb
Calculated
Torque-to-weight
410Nm/t274lb-ft/ton
Calculated
357Nm/t239lb-ft/ton
Calculated
323Nm/t216lb-ft/ton
Calculated
265Nm/t177lb-ft/ton
Calculated
Estimated range
797km495mi
Calculated
797km495mi
Calculated
797km495mi
Calculated
797km495mi
Calculated
Displacement
2,998cc183cu in
2,998cc183cu in
2,998cc183cu in
2,998cc183cu in
Length
4,770mm188in
4,770mm188in
4,770mm188in
4,770mm188in
Width
1,852mm73in
1,852mm73in
1,852mm73in
1,852mm73in
Height
1,394mm55in
1,394mm55in
1,394mm55in
1,394mm55in
Wheelbase
2,851mm112in
2,851mm112in
2,851mm112in
2,851mm112in
Front track
1,575mm62in
1,575mm62in
1,575mm62in
1,575mm62in
Rear track
1,611mm63in
1,611mm63in
1,611mm63in
1,611mm63in
Ground clearance
126mm5in
126mm5in
126mm5in
126mm5in
Trunk volume
300L
300L
300L
300L
Max trunk volume
385L
385L
385L
385L
Doors
2
2
2
2
Seats
4
4
4
4
Fuel tank
59L
59L
59L
59L

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 (G23) M440i (Stage 3) 561 hpBMW 4 Series Convertible (G23) M440i (Stage 2) 486 hpBMW 4 Series Convertible (G23) M440i (Stage 1) 441 hpBMW 4 Series Convertible (G23) M440i 374 hpPowerTorque
  • BMW 4 Series Convertible (G23) M440i (Stage 3) 561 hp: Power / Torque
  • BMW 4 Series Convertible (G23) M440i (Stage 2) 486 hp: Power / Torque
  • BMW 4 Series Convertible (G23) M440i (Stage 1) 441 hp: Power / Torque
  • BMW 4 Series Convertible (G23) M440i 374 hp: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Convertible (G23)M440i (Stage 3)561 hp5,500-6,500 rpm1,900-5,000 rpm6,750 rpm
BMW4 Series Convertible (G23)M440i (Stage 2)486 hp5,500-6,500 rpm1,900-5,000 rpm6,750 rpm
BMW4 Series Convertible (G23)M440i (Stage 1)441 hp5,500-6,500 rpm1,900-5,000 rpm6,750 rpm
BMW4 Series Convertible (G23)M440i374 hp5,500-6,500 rpm1,900-5,000 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW4 Series Convertible (G23)M440i (Stage 3)561 hpBMW4 Series Convertible (G23)M440i (Stage 2)486 hpBMW4 Series Convertible (G23)M440i (Stage 1)441 hpBMW4 Series Convertible (G23)M440i374 hp
Acceleration checkpoints
0-60 mph
0-97 km/h
3.6 s
4.0 s
4.2 s
4.7 s
0-100 km/h
0-62 mph
3.8 s
4.2 s
4.4 s
4.9 s
0-200 km/h
0-124 mph
10.5 s
12.1 s
13.3 s
17.6 s
0-200 mph
0-322 km/h
39.2 s
86.5 s
-
-
Top speed
339 km/h
211 mph
323 km/h
201 mph
312 km/h
194 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.0 s
2.1 s
2.1 s
2.1 s
330 ft
101 m
5.2 s
5.3 s
5.5 s
5.7 s
1/8 mile
201 m
7.6 s
7.9 s
8.2 s
8.5 s
1000 ft
305 m
9.7 s
10.2 s
10.4 s
11.0 s
1/4 mile
402 m
11.5 s
12.0 s
12.3 s
13.0 s
Trap speed
1/4 mile
402 m
210 km/h
130 mph
199 km/h
124 mph
192 km/h
120 mph
176 km/h
110 mph

Power comparison

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

BMW 4 Series Convertible (G23) M440i (Stage 3) 561 hp has 187 hp more than BMW 4 Series Convertible (G23) M440i 374 hp.

The biggest power difference is between BMW 4 Series Convertible (G23) M440i 374 hp and BMW 4 Series Convertible (G23) M440i (Stage 3) 561 hp: 187 hp (139 kW).

Torque comparison

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

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 4 Series Convertible (G23) M440i (Stage 3) 561 hp and BMW 4 Series Convertible (G23) M440i 374 hp: 1.1 s.

The closest cars by acceleration are BMW 4 Series Convertible (G23) M440i (Stage 2) 486 hp and BMW 4 Series Convertible (G23) M440i (Stage 1) 441 hp, separated by only 0.3 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (G23)M440i (Stage 3)561 hp
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
BMW4 Series Convertible (G23)M440i (Stage 2)486 hp
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
BMW4 Series Convertible (G23)M440i (Stage 1)441 hp
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
BMW4 Series Convertible (G23)M440i374 hp
7.4 L/100 km
31.8 mpg US
38.2 mpg UK

Power-to-weight comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (G23)M440i (Stage 3)561 hp
297 hp/t
221 kW/t
3.4 kg/hp
BMW4 Series Convertible (G23)M440i (Stage 2)486 hp
257 hp/t
192 kW/t
3.9 kg/hp
BMW4 Series Convertible (G23)M440i (Stage 1)441 hp
234 hp/t
174 kW/t
4.3 kg/hp
BMW4 Series Convertible (G23)M440i374 hp
198 hp/t
148 kW/t
5.1 kg/hp

Estimated range comparison

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

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW4 Series Convertible (G23)M440i (Stage 3)561 hp
561 hp
418 kW
3.8 s
339 km/h
211 mph
BMW4 Series Convertible (G23)M440i (Stage 2)486 hp
486 hp
363 kW
4.2 s
323 km/h
201 mph
BMW4 Series Convertible (G23)M440i (Stage 1)441 hp
441 hp
329 kW
4.4 s
312 km/h
194 mph
BMW4 Series Convertible (G23)M440i374 hp
374 hp
279 kW
4.9 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
BMW4 Series Convertible (G23)M440i (Stage 3)561 hp
Power
561 hp
418 kW
0-100 km/h3.8 s
Top speed
339 km/h
211 mph
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,770 mm
187.8 in
Height
1,394 mm
54.9 in
BMW4 Series Convertible (G23)M440i (Stage 2)486 hp
Power
486 hp
363 kW
0-100 km/h4.2 s
Top speed
323 km/h
201 mph
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,770 mm
187.8 in
Height
1,394 mm
54.9 in
BMW4 Series Convertible (G23)M440i (Stage 1)441 hp
Power
441 hp
329 kW
0-100 km/h4.4 s
Top speed
312 km/h
194 mph
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,770 mm
187.8 in
Height
1,394 mm
54.9 in
BMW4 Series Convertible (G23)M440i374 hp
Power
374 hp
279 kW
0-100 km/h4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,770 mm
187.8 in
Height
1,394 mm
54.9 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
BMW4 Series Convertible (G23)M440i (Stage 3)561 hp
Power
561 hp
418 kW
0-100 km/h3.8 s
Top speed
339 km/h
211 mph
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
BMW4 Series Convertible (G23)M440i (Stage 2)486 hp
Power
486 hp
363 kW
0-100 km/h4.2 s
Top speed
323 km/h
201 mph
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
BMW4 Series Convertible (G23)M440i (Stage 1)441 hp
Power
441 hp
329 kW
0-100 km/h4.4 s
Top speed
312 km/h
194 mph
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
BMW4 Series Convertible (G23)M440i374 hp
Power
374 hp
279 kW
0-100 km/h4.9 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 4 Series Convertible (G23) M440i (Stage 3) 561 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
BMW4 Series Convertible (G23)M440i (Stage 3)561 hp
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
3.8 s
BMW4 Series Convertible (G23)M440i (Stage 2)486 hp
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
4.2 s
BMW4 Series Convertible (G23)M440i (Stage 1)441 hp
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
4.4 s
BMW4 Series Convertible (G23)M440i374 hp
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
4.9 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
BMW4 Series Convertible (G23)M440i (Stage 3)561 hp
297 hp/t
221 kW/t
3.4 kg/hp
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
BMW4 Series Convertible (G23)M440i (Stage 2)486 hp
257 hp/t
192 kW/t
3.9 kg/hp
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
BMW4 Series Convertible (G23)M440i (Stage 1)441 hp
234 hp/t
174 kW/t
4.3 kg/hp
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
BMW4 Series Convertible (G23)M440i374 hp
198 hp/t
148 kW/t
5.1 kg/hp
7.4 L/100 km
31.8 mpg US
38.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW4 Series Convertible (G23)M440i (Stage 3)561 hpBMW4 Series Convertible (G23)M440i (Stage 2)486 hpBMW4 Series Convertible (G23)M440i (Stage 1)441 hpBMW4 Series Convertible (G23)M440i374 hp
Power
561 hp
418 kW
486 hp
363 kW
441 hp
329 kW
374 hp
279 kW
Torque
775 Nm
572 lb-ft
675 Nm
498 lb-ft
610 Nm
450 lb-ft
500 Nm
369 lb-ft
Acceleration
3.8 s
4.2 s
4.4 s
4.9 s
Top speed
339 km/h
211 mph
323 km/h
201 mph
312 km/h
194 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,890 kg
4,167 lb
1,890 kg
4,167 lb
1,890 kg
4,167 lb
1,890 kg
4,167 lb
Fuel consumption
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
7.4 L/100 km
31.8 mpg US
38.2 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,770 mm
187.8 in
Height
1,394 mm
54.9 in
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,770 mm
187.8 in
Height
1,394 mm
54.9 in
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,770 mm
187.8 in
Height
1,394 mm
54.9 in
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,770 mm
187.8 in
Height
1,394 mm
54.9 in
Range score
797 km
495 mi
797 km
495 mi
797 km
495 mi
797 km
495 mi
Trunk score
300 L
10.6 cu ft
300 L
10.6 cu ft
300 L
10.6 cu ft
300 L
10.6 cu ft
Power-to-weight score
297 hp/t
221 kW/t
3.4 kg/hp
257 hp/t
192 kW/t
3.9 kg/hp
234 hp/t
174 kW/t
4.3 kg/hp
198 hp/t
148 kW/t
5.1 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 4 Series Convertible (G23) M440i (Stage 3) 561 hpBMW 4 Series Convertible (G23) M440i (Stage 2) 486 hpBMW 4 Series Convertible (G23) M440i (Stage 1) 441 hpBMW 4 Series Convertible (G23) M440i 374 hp
Consumption7.4 L/100 km31.8 mpg US38.2 mpg UK7.4 L/100 km31.8 mpg US38.2 mpg UK7.4 L/100 km31.8 mpg US38.2 mpg UK7.4 L/100 km31.8 mpg US38.2 mpg UK
Cost / 100 km12.95 LC100 km12.95 LC100 km12.95 LC100 km12.95 LC100 km
Cost / 100 mi20.84 LC100 mi20.84 LC100 mi20.84 LC100 mi20.84 LC100 mi
Annual fuel used1,110 L293 US gal244 UK gal1,110 L293 US gal244 UK gal1,110 L293 US gal244 UK gal1,110 L293 US gal244 UK gal
Annual fuel cost1,943 LC/year1,943 LC/year1,943 LC/year1,943 LC/year

Head-to-head comparisons

BMW 4 Series Convertible (G23) M440i (Stage 3) 561 hp

  • Has 75 hp more
  • Has 100 Nm more
  • Is 0.4 s quicker from 0-100 km/h
  • Has 16 km/h (10 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

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BMW 4 Series Convertible (G23) M440i · Stage 3 vs BMW 4 Series Convertible (G23) M440i · Stage 2 vs BMW 4 Series Convertible (G23) M440i · Stage 1 vs BMW 4 Series Convertible (G23) M440i - car comparison - FastVsFaster