Car comparison

BMW 4 Series Convertible (G23) M440d · Stage 3vsBMW 4 Series Convertible (G23) M440d · Stage 2vsBMW 4 Series Convertible (G23) M440d · Stage 1vsBMW 4 Series Convertible (G23) M440d

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

New comparison

BMW 4 Series Convertible (G23)

M440d (Stage 3)

527 hp2993 ccDieselAWDAutomaticTurbochargedCabriolet / convertible2021-2024
VS

BMW 4 Series Convertible (G23)

M440d (Stage 2)

459 hp2993 ccDieselAWDAutomaticTurbochargedCabriolet / convertible2021-2024
VS

BMW 4 Series Convertible (G23)

M440d (Stage 1)

408 hp2993 ccDieselAWDAutomaticTurbochargedCabriolet / convertible2021-2024
VS

BMW 4 Series Convertible (G23)

M440d

340 hp2993 ccDieselAWDAutomaticTurbochargedCabriolet / convertible2021-2024

Comparison overview

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

Best choices

BMW 4 Series Convertible (G23) M440d (Stage 3) 527 hp

  • Quickest 0-100 km/h
    3.8 s
  • Fastest top speed
    312 km/h
    194 mph
  • Most powerful
    527 hp
    393 kW
  • Highest torque
    1,120 Nm
    826 lb-ft
  • Lightest
    1,980 kg
    4,365 lb
  • Best power-to-weight
    266 hp/t
    198 kW/t
    3.8 kg/hp
  • Lowest combined fuel consumption
    6.6 L/100 km
    35.6 mpg US
    42.8 mpg UK
  • Best estimated range
    894 km
    555 mi
  • Largest trunk
    300 L
  • Best overall score
    76/100
  • Best performance score
    91/100
  • Best economy score
    89/100
  • Best practicality score
    45/100

Specification comparison

Specification comparison
ModelBMW4 Series Convertible (G23)M440d (Stage 3)527 hpBMW4 Series Convertible (G23)M440d (Stage 2)459 hpBMW4 Series Convertible (G23)M440d (Stage 1)408 hpBMW4 Series Convertible (G23)M440d340 hp
Power
527hp393kW+187 hp
459hp342kW+119 hp
408hp304kW+68 hp
340hp254kW
Torque
1,120Nm826lb-ft+420 Nm
980Nm723lb-ft+280 Nm
875Nm645lb-ft+175 Nm
700Nm516lb-ft
Curb weight
1,980kg4,365lb
1,980kg4,365lb
1,980kg4,365lb
1,980kg4,365lb
Gross weight
2,480kg5,467lb
2,480kg5,467lb
2,480kg5,467lb
2,480kg5,467lb
Top speed
312 km/h
194 mph
+52 km/h
297 km/h
185 mph
+37 km/h
285 km/h
177 mph
+25 km/h
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
59.3s99% target: 309 km/h / 192 mph-11.0 s
Calculated
64.0s99% target: 294 km/h / 183 mph-6.3 s
Calculated
67.8s99% target: 282 km/h / 175 mph-2.5 s
Calculated
70.3s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
3.8s-1.2 s
4.2s-0.8 s
4.5s-0.5 s
5.0s
0-200 km/h
11.2s-7.1 s
Calculated
12.9s-5.4 s
Calculated
14.6s-3.8 s
Calculated
18.3s
Calculated
0-60 mph
3.6s-1.1 s
Calculated
4.0s-0.8 s
Calculated
4.2s-0.5 s
Calculated
4.7s
Calculated
Fuel consumption
6.6L/100 km35.6mpg US42.8mpg UK
6.6L/100 km35.6mpg US42.8mpg UK
6.6L/100 km35.6mpg US42.8mpg UK
6.6L/100 km35.6mpg US42.8mpg UK
Quarter mile
11.6s-1.6 s
Calculated
12.1s-1.1 s
Calculated
12.5s-0.7 s
Calculated
13.2s
Calculated
Power-to-weight
266hp/t198kW/t121hp/1000 lb
Calculated
232hp/t173kW/t105hp/1000 lb
Calculated
206hp/t154kW/t93hp/1000 lb
Calculated
172hp/t128kW/t78hp/1000 lb
Calculated
Torque-to-weight
566Nm/t378lb-ft/ton
Calculated
495Nm/t331lb-ft/ton
Calculated
442Nm/t296lb-ft/ton
Calculated
354Nm/t237lb-ft/ton
Calculated
Estimated range
894km555mi
Calculated
894km555mi
Calculated
894km555mi
Calculated
894km555mi
Calculated
Displacement
2,993cc183cu in
2,993cc183cu in
2,993cc183cu in
2,993cc183cu in
Length
4,768mm188in
4,768mm188in
4,768mm188in
4,768mm188in
Width
1,852mm73in
1,852mm73in
1,852mm73in
1,852mm73in
Height
1,384mm54in
1,384mm54in
1,384mm54in
1,384mm54in
Wheelbase
2,851mm112in
2,851mm112in
2,851mm112in
2,851mm112in
Front track
1,573mm62in
1,573mm62in
1,573mm62in
1,573mm62in
Rear track
1,612mm63in
1,612mm63in
1,612mm63in
1,612mm63in
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) M440d (Stage 3) 527 hpBMW 4 Series Convertible (G23) M440d (Stage 2) 459 hpBMW 4 Series Convertible (G23) M440d (Stage 1) 408 hpBMW 4 Series Convertible (G23) M440d 340 hpPowerTorque
  • BMW 4 Series Convertible (G23) M440d (Stage 3) 527 hp: Power / Torque
  • BMW 4 Series Convertible (G23) M440d (Stage 2) 459 hp: Power / Torque
  • BMW 4 Series Convertible (G23) M440d (Stage 1) 408 hp: Power / Torque
  • BMW 4 Series Convertible (G23) M440d 340 hp: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Convertible (G23)M440d (Stage 3)527 hp4,400 rpm1,750-2,250 rpm4,650 rpm
BMW4 Series Convertible (G23)M440d (Stage 2)459 hp4,400 rpm1,750-2,250 rpm4,650 rpm
BMW4 Series Convertible (G23)M440d (Stage 1)408 hp4,400 rpm1,750-2,250 rpm4,650 rpm
BMW4 Series Convertible (G23)M440d340 hp4,400 rpm1,750-2,250 rpm4,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW4 Series Convertible (G23)M440d (Stage 3)527 hpBMW4 Series Convertible (G23)M440d (Stage 2)459 hpBMW4 Series Convertible (G23)M440d (Stage 1)408 hpBMW4 Series Convertible (G23)M440d340 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
4.5 s
5.0 s
0-200 km/h
0-124 mph
11.2 s
12.9 s
14.6 s
18.3 s
Top speed
312 km/h
194 mph
297 km/h
185 mph
285 km/h
177 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.0 s
2.0 s
2.1 s
2.1 s
330 ft
101 m
5.1 s
5.3 s
5.5 s
5.7 s
1/8 mile
201 m
7.7 s
7.9 s
8.2 s
8.6 s
1000 ft
305 m
9.8 s
10.2 s
10.5 s
11.1 s
1/4 mile
402 m
11.6 s
12.1 s
12.5 s
13.2 s
Trap speed
1/4 mile
402 m
204 km/h
127 mph
194 km/h
120 mph
186 km/h
116 mph
174 km/h
108 mph

Power comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (G23)M440d (Stage 3)527 hp
527 hp
393 kW
BMW4 Series Convertible (G23)M440d (Stage 2)459 hp
459 hp
342 kW
BMW4 Series Convertible (G23)M440d (Stage 1)408 hp
408 hp
304 kW
BMW4 Series Convertible (G23)M440d340 hp
340 hp
254 kW

BMW 4 Series Convertible (G23) M440d (Stage 3) 527 hp has 187 hp more than BMW 4 Series Convertible (G23) M440d 340 hp.

The biggest power difference is between BMW 4 Series Convertible (G23) M440d 340 hp and BMW 4 Series Convertible (G23) M440d (Stage 3) 527 hp: 187 hp (139 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (G23)M440d (Stage 3)527 hp
1,120 Nm
826 lb-ft
BMW4 Series Convertible (G23)M440d (Stage 2)459 hp
980 Nm
723 lb-ft
BMW4 Series Convertible (G23)M440d (Stage 1)408 hp
875 Nm
645 lb-ft
BMW4 Series Convertible (G23)M440d340 hp
700 Nm
516 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (G23)M440d (Stage 3)527 hp
1,980 kg
4,365 lb
BMW4 Series Convertible (G23)M440d (Stage 2)459 hp
1,980 kg
4,365 lb
BMW4 Series Convertible (G23)M440d (Stage 1)408 hp
1,980 kg
4,365 lb
BMW4 Series Convertible (G23)M440d340 hp
1,980 kg
4,365 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (G23)M440d (Stage 3)527 hp
312 km/h
194 mph
BMW4 Series Convertible (G23)M440d (Stage 2)459 hp
297 km/h
185 mph
BMW4 Series Convertible (G23)M440d (Stage 1)408 hp
285 km/h
177 mph
BMW4 Series Convertible (G23)M440d340 hp
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
BMW4 Series Convertible (G23)M440d (Stage 3)527 hp3.8 s
BMW4 Series Convertible (G23)M440d (Stage 2)459 hp4.2 s
BMW4 Series Convertible (G23)M440d (Stage 1)408 hp4.5 s
BMW4 Series Convertible (G23)M440d340 hp5.0 s

The biggest 0-100 km/h difference is between BMW 4 Series Convertible (G23) M440d (Stage 3) 527 hp and BMW 4 Series Convertible (G23) M440d 340 hp: 1.2 s.

The closest cars by acceleration are BMW 4 Series Convertible (G23) M440d (Stage 2) 459 hp and BMW 4 Series Convertible (G23) M440d (Stage 1) 408 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)M440d (Stage 3)527 hp
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
BMW4 Series Convertible (G23)M440d (Stage 2)459 hp
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
BMW4 Series Convertible (G23)M440d (Stage 1)408 hp
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
BMW4 Series Convertible (G23)M440d340 hp
6.6 L/100 km
35.6 mpg US
42.8 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)M440d (Stage 3)527 hp
266 hp/t
198 kW/t
3.8 kg/hp
BMW4 Series Convertible (G23)M440d (Stage 2)459 hp
232 hp/t
173 kW/t
4.3 kg/hp
BMW4 Series Convertible (G23)M440d (Stage 1)408 hp
206 hp/t
154 kW/t
4.9 kg/hp
BMW4 Series Convertible (G23)M440d340 hp
172 hp/t
128 kW/t
5.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (G23)M440d (Stage 3)527 hp
894 km
555 mi
BMW4 Series Convertible (G23)M440d (Stage 2)459 hp
894 km
555 mi
BMW4 Series Convertible (G23)M440d (Stage 1)408 hp
894 km
555 mi
BMW4 Series Convertible (G23)M440d340 hp
894 km
555 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW4 Series Convertible (G23)M440d (Stage 3)527 hp
527 hp
393 kW
3.8 s
312 km/h
194 mph
BMW4 Series Convertible (G23)M440d (Stage 2)459 hp
459 hp
342 kW
4.2 s
297 km/h
185 mph
BMW4 Series Convertible (G23)M440d (Stage 1)408 hp
408 hp
304 kW
4.5 s
285 km/h
177 mph
BMW4 Series Convertible (G23)M440d340 hp
340 hp
254 kW
5.0 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)M440d (Stage 3)527 hp
Power
527 hp
393 kW
0-100 km/h3.8 s
Top speed
312 km/h
194 mph
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,768 mm
187.7 in
Height
1,384 mm
54.5 in
BMW4 Series Convertible (G23)M440d (Stage 2)459 hp
Power
459 hp
342 kW
0-100 km/h4.2 s
Top speed
297 km/h
185 mph
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,768 mm
187.7 in
Height
1,384 mm
54.5 in
BMW4 Series Convertible (G23)M440d (Stage 1)408 hp
Power
408 hp
304 kW
0-100 km/h4.5 s
Top speed
285 km/h
177 mph
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,768 mm
187.7 in
Height
1,384 mm
54.5 in
BMW4 Series Convertible (G23)M440d340 hp
Power
340 hp
254 kW
0-100 km/h5.0 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
4,768 mm
187.7 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
BMW4 Series Convertible (G23)M440d (Stage 3)527 hp
Power
527 hp
393 kW
0-100 km/h3.8 s
Top speed
312 km/h
194 mph
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
BMW4 Series Convertible (G23)M440d (Stage 2)459 hp
Power
459 hp
342 kW
0-100 km/h4.2 s
Top speed
297 km/h
185 mph
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
BMW4 Series Convertible (G23)M440d (Stage 1)408 hp
Power
408 hp
304 kW
0-100 km/h4.5 s
Top speed
285 km/h
177 mph
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
BMW4 Series Convertible (G23)M440d340 hp
Power
340 hp
254 kW
0-100 km/h5.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.6 L/100 km
35.6 mpg US
42.8 mpg UK

BMW 4 Series Convertible (G23) M440d (Stage 3) 527 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)M440d (Stage 3)527 hp
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
3.8 s
BMW4 Series Convertible (G23)M440d (Stage 2)459 hp
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
4.2 s
BMW4 Series Convertible (G23)M440d (Stage 1)408 hp
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
4.5 s
BMW4 Series Convertible (G23)M440d340 hp
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
5.0 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)M440d (Stage 3)527 hp
266 hp/t
198 kW/t
3.8 kg/hp
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
BMW4 Series Convertible (G23)M440d (Stage 2)459 hp
232 hp/t
173 kW/t
4.3 kg/hp
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
BMW4 Series Convertible (G23)M440d (Stage 1)408 hp
206 hp/t
154 kW/t
4.9 kg/hp
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
BMW4 Series Convertible (G23)M440d340 hp
172 hp/t
128 kW/t
5.8 kg/hp
6.6 L/100 km
35.6 mpg US
42.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW4 Series Convertible (G23)M440d (Stage 3)527 hpBMW4 Series Convertible (G23)M440d (Stage 2)459 hpBMW4 Series Convertible (G23)M440d (Stage 1)408 hpBMW4 Series Convertible (G23)M440d340 hp
Power
527 hp
393 kW
459 hp
342 kW
408 hp
304 kW
340 hp
254 kW
Torque
1,120 Nm
826 lb-ft
980 Nm
723 lb-ft
875 Nm
645 lb-ft
700 Nm
516 lb-ft
Acceleration
3.8 s
4.2 s
4.5 s
5.0 s
Top speed
312 km/h
194 mph
297 km/h
185 mph
285 km/h
177 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,980 kg
4,365 lb
1,980 kg
4,365 lb
1,980 kg
4,365 lb
1,980 kg
4,365 lb
Fuel consumption
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,768 mm
187.7 in
Height
1,384 mm
54.5 in
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,768 mm
187.7 in
Height
1,384 mm
54.5 in
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,768 mm
187.7 in
Height
1,384 mm
54.5 in
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,768 mm
187.7 in
Height
1,384 mm
54.5 in
Range score
894 km
555 mi
894 km
555 mi
894 km
555 mi
894 km
555 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
266 hp/t
198 kW/t
3.8 kg/hp
232 hp/t
173 kW/t
4.3 kg/hp
206 hp/t
154 kW/t
4.9 kg/hp
172 hp/t
128 kW/t
5.8 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) M440d (Stage 3) 527 hpBMW 4 Series Convertible (G23) M440d (Stage 2) 459 hpBMW 4 Series Convertible (G23) M440d (Stage 1) 408 hpBMW 4 Series Convertible (G23) M440d 340 hp
Consumption6.6 L/100 km35.6 mpg US42.8 mpg UK6.6 L/100 km35.6 mpg US42.8 mpg UK6.6 L/100 km35.6 mpg US42.8 mpg UK6.6 L/100 km35.6 mpg US42.8 mpg UK
Cost / 100 km11.55 LC100 km11.55 LC100 km11.55 LC100 km11.55 LC100 km
Cost / 100 mi18.59 LC100 mi18.59 LC100 mi18.59 LC100 mi18.59 LC100 mi
Annual fuel used990 L262 US gal218 UK gal990 L262 US gal218 UK gal990 L262 US gal218 UK gal990 L262 US gal218 UK gal
Annual fuel cost1,733 LC/year1,733 LC/year1,733 LC/year1,733 LC/year

Head-to-head comparisons

BMW 4 Series Convertible (G23) M440d (Stage 3) 527 hp

  • Has 68 hp more
  • Has 140 Nm more
  • Is 0.4 s quicker from 0-100 km/h
  • Has 15 km/h (9 mph) higher top speed
  • Has 34 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) M440d
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BMW4 Series Convertible (G23)M440dvsAudiS5 Cabriolet (F5)Facelift 20193.0 TFSI V6
M440d
640i
VS
BMW4 Series Convertible (G23)M440dvsBMW6 Series Convertible (F12)640i
M440d
CLE 450
VS
BMW4 Series Convertible (G23)M440dvsMercedes-BenzCLE Cabriolet (A236)CLE 450
BMW 4 Series Convertible (G23) M440d · Stage 3 vs BMW 4 Series Convertible (G23) M440d · Stage 2 vs BMW 4 Series Convertible (G23) M440d · Stage 1 vs BMW 4 Series Convertible (G23) M440d - car comparison - FastVsFaster