Car comparison

Porsche 718 Boxster (982) GTS 2.5vsBMW M4 Convertible (F83) 3.0

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

New comparison

Porsche 718 Boxster (982)

GTS 2.5

365 hp2497 ccGasolineRWDManualTurbochargedCabriolet / convertible2017-2018
VS

BMW M4 Convertible (F83)

3.0

431 hp2979 ccGasolineRWDManualTurbochargedCabriolet / convertible2014-2020

Comparison overview

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

Best choices

Porsche 718 Boxster (982) GTS 2.5

  • Quickest 0-100 km/h
    4.6 s
  • Fastest top speed
    300 km/h
    186 mph Unrestricted
    290 km/h
    180 mph Restricted
  • Lightest
    1,375 kg
    3,031 lb
  • Best power-to-weight
    265 hp/t
    198 kW/t
    3.8 kg/hp
  • Lowest combined fuel consumption
    9.0 L/100 km
    26.1 mpg US
    31.4 mpg UK
  • Lowest city consumption
    12.3 L/100 km
    19.1 mpg US
    23.0 mpg UK
  • Lowest highway consumption
    7.0 L/100 km
    33.6 mpg US
    40.4 mpg UK
  • Lowest CO2 emissions
    205 g/km
  • Best estimated range
    711 km
    442 mi
  • Best performance score
    76/100
  • Best economy score
    83/100

BMW M4 Convertible (F83) 3.0

  • Most powerful
    431 hp
    321 kW
  • Highest torque
    550 Nm
    406 lb-ft
  • Largest trunk
    220 L
  • Best overall score
    65/100
  • Best practicality score
    42/100

Specification comparison

Specification comparison
ModelPorsche718 Boxster (982)GTS 2.5BMWM4 Convertible (F83)3.0
Power
365hp272kW
431hp321kW
Torque
420Nm310lb-ft
550Nm406lb-ft
Curb weight
1,375kg3,031lb
1,750kg3,858lb
Gross weight
1,675kg3,693lb
2,250kg4,960lb
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
66.1s99% target: 297 km/h / 185 mph
Calculated
61.6s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.6s
4.6s
0-200 km/h
13.7s
Calculated
16.5s
Calculated
0-60 mph
4.4s
Calculated
4.4s
Calculated
Fuel consumption
9L/100 km26.1mpg US31.4mpg UK
9.1L/100 km25.8mpg US31.0mpg UK
Fuel consumption city
12.3L/100 km19.1mpg US23.0mpg UK
12.4L/100 km19mpg US22.8mpg UK
Fuel consumption highway
7L/100 km33.6mpg US40.4mpg UK
7.2L/100 km32.7mpg US39.2mpg UK
Quarter mile
12.5s
Calculated
12.7s
Calculated
Power-to-weight
265hp/t198kW/t120hp/1000 lb
Calculated
246hp/t184kW/t112hp/1000 lb
Calculated
Torque-to-weight
305Nm/t204lb-ft/ton
Calculated
314Nm/t210lb-ft/ton
Calculated
Estimated range
711km442mi
Calculated
659km410mi
Calculated
Displacement
2,497cc152cu in
2,979cc182cu in
Length
4,379mm172in
4,671mm184in
Width
1,801mm71in
1,870mm74in
Height
1,272mm50in
1,386mm55in
Wheelbase
2,475mm97in
2,812mm111in
Front track-
1,579mm62in
Rear track-
1,603mm63in
Ground clearance-
116mm5in
Trunk volume
150L
220L
Max trunk volume
275L
370L
Doors
2
2
Seats
2
4
Fuel tank
64L
60L
CO2 emissions
205g/km
213g/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.

Porsche 718 Boxster (982) GTS 2.5BMW M4 Convertible (F83) 3.0PowerTorque
  • Porsche 718 Boxster (982) GTS 2.5: Power / Torque
  • BMW M4 Convertible (F83) 3.0: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche718 Boxster (982)GTS 2.56,500 rpm1,900-5,500 rpm6,750 rpm
BMWM4 Convertible (F83)3.05,500-7,300 rpm1,850-5,500 rpm7,550 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche718 Boxster (982)GTS 2.5BMWM4 Convertible (F83)3.0
Acceleration checkpoints
0-60 mph
0-97 km/h
4.4 s
4.4 s
0-100 km/h
0-62 mph
4.6 s
4.6 s
0-200 km/h
0-124 mph
13.7 s
16.5 s
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Likely 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
5.6 s
5.5 s
1/8 mile
201 m
8.3 s
8.3 s
1000 ft
305 m
10.6 s
10.7 s
1/4 mile
402 m
12.5 s
12.7 s
Trap speed
1/4 mile
402 m
191 km/h
119 mph
180 km/h
112 mph

Power comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)GTS 2.5
365 hp
272 kW
BMWM4 Convertible (F83)3.0
431 hp
321 kW

BMW M4 Convertible (F83) 3.0 has 66 hp more than Porsche 718 Boxster (982) GTS 2.5.

The biggest power difference is between Porsche 718 Boxster (982) GTS 2.5 and BMW M4 Convertible (F83) 3.0: 66 hp (49 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)GTS 2.5
420 Nm
310 lb-ft
BMWM4 Convertible (F83)3.0
550 Nm
406 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)GTS 2.5
1,375 kg
3,031 lb
BMWM4 Convertible (F83)3.0
1,750 kg
3,858 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)GTS 2.5
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
BMWM4 Convertible (F83)3.0
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
Porsche718 Boxster (982)GTS 2.54.6 s
BMWM4 Convertible (F83)3.04.6 s

Although BMW M4 Convertible (F83) 3.0 has more power, Porsche 718 Boxster (982) GTS 2.5 is quicker from 0-100 km/h.

Fuel consumption comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)GTS 2.5
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
BMWM4 Convertible (F83)3.0
9.1 L/100 km
25.8 mpg US
31.0 mpg UK

Power-to-weight comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)GTS 2.5
265 hp/t
198 kW/t
3.8 kg/hp
BMWM4 Convertible (F83)3.0
246 hp/t
184 kW/t
4.1 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)GTS 2.5
711 km
442 mi
BMWM4 Convertible (F83)3.0
659 km
410 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche718 Boxster (982)GTS 2.5
365 hp
272 kW
4.6 s
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
BMWM4 Convertible (F83)3.0
431 hp
321 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
Porsche718 Boxster (982)GTS 2.5
Power
365 hp
272 kW
0-100 km/h4.6 s
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Doors/seats
2 doors
2 seats
Trunk
150 L
5.3 cu ft
Length
4,379 mm
172.4 in
Height
1,272 mm
50.1 in
BMWM4 Convertible (F83)3.0
Power
431 hp
321 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
220 L
7.8 cu ft
Length
4,671 mm
183.9 in
Height
1,386 mm
54.6 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
Porsche718 Boxster (982)GTS 2.5
Power
365 hp
272 kW
0-100 km/h4.6 s
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
BMWM4 Convertible (F83)3.0
Power
431 hp
321 kW
0-100 km/h4.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
9.1 L/100 km
25.8 mpg US
31.0 mpg UK

Porsche 718 Boxster (982) GTS 2.5 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
Porsche718 Boxster (982)GTS 2.5
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
4.6 s
BMWM4 Convertible (F83)3.0
9.1 L/100 km
25.8 mpg US
31.0 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
Porsche718 Boxster (982)GTS 2.5
265 hp/t
198 kW/t
3.8 kg/hp
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
BMWM4 Convertible (F83)3.0
246 hp/t
184 kW/t
4.1 kg/hp
9.1 L/100 km
25.8 mpg US
31.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche718 Boxster (982)GTS 2.5BMWM4 Convertible (F83)3.0
Power
365 hp
272 kW
431 hp
321 kW
Torque
420 Nm
310 lb-ft
550 Nm
406 lb-ft
Acceleration
4.6 s
4.6 s
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,375 kg
3,031 lb
1,750 kg
3,858 lb
Fuel consumption
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
150 L
5.3 cu ft
Length
4,379 mm
172.4 in
Height
1,272 mm
50.1 in
Doors/seats
2 doors
4 seats
Trunk
220 L
7.8 cu ft
Length
4,671 mm
183.9 in
Height
1,386 mm
54.6 in
Range score
711 km
442 mi
659 km
410 mi
CO2 score
205 g/km
213 g/km
Trunk score
150 L
5.3 cu ft
220 L
7.8 cu ft
Power-to-weight score
265 hp/t
198 kW/t
3.8 kg/hp
246 hp/t
184 kW/t
4.1 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
VehiclePorsche 718 Boxster (982) GTS 2.5BMW M4 Convertible (F83) 3.0
Consumption9 L/100 km26.1 mpg US31.4 mpg UK9.1 L/100 km25.8 mpg US31 mpg UK
Cost / 100 km15.75 LC100 km15.92 LC100 km
Cost / 100 mi25.35 LC100 mi25.63 LC100 mi
Annual fuel used1,350 L357 US gal297 UK gal1,365 L361 US gal300 UK gal
Annual fuel cost2,363 LC/year2,389 LC/year

Head-to-head comparisons

Porsche 718 Boxster (982) GTS 2.5

  • Is 375 kg lighter
  • Has 40 km/h (25 mph) higher top speed
  • Uses 0.1 L/100 km less fuel
  • Has 19 hp/t better power-to-weight
  • Has 52 km (32 mi) more estimated range
  • Emits 8 g/km less CO2

Pros

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

Cons

  • Lowest power
  • Smallest trunk

BMW M4 Convertible (F83) 3.0

  • Has 66 hp more
  • Has 130 Nm more
  • Has 70 L more trunk volume

Pros

  • Most powerful
  • Highest torque
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 718 Boxster (982) GTS 2.5
BMW M4 Convertible (F83) 3.0
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