Car comparison

Porsche 718 Boxster (982) GTS 2.5vsPorsche 911 Cabriolet (991) Carrera 4S 3.8

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 ccGasolineRWDDual-clutchTurbochargedCabriolet / convertible2018-2020
VS

Porsche 911 Cabriolet (991)

Carrera 4S 3.8

400 hp3800 ccGasolineAWDDual-clutchNaturally aspiratedCabriolet / convertible2012-2015

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
    4.3 s
  • Fastest top speed
    300 km/h
    186 mph Unrestricted
    290 km/h
    180 mph Restricted
  • Lightest
    1,405 kg
    3,097 lb
  • Best power-to-weight
    260 hp/t
    194 kW/t
    3.8 kg/hp
  • Lowest combined fuel consumption
    8.5 L/100 km
    27.7 mpg US
    33.2 mpg UK
  • Lowest city consumption
    12.0 L/100 km
    19.6 mpg US
    23.5 mpg UK
  • Lowest highway consumption
    6.5 L/100 km
    36.2 mpg US
    43.5 mpg UK
  • Lowest CO2 emissions
    195 g/km
  • Best economy score
    84/100

Porsche 911 Cabriolet (991) Carrera 4S 3.8

  • Most powerful
    400 hp
    298 kW
  • Highest torque
    440 Nm
    325 lb-ft
  • Best estimated range
    739 km
    459 mi
  • Largest trunk
    285 L
  • Best overall score
    67/100
  • Best performance score
    78/100
  • Best practicality score
    44/100

Specification comparison

Specification comparison
ModelPorsche718 Boxster (982)GTS 2.5Porsche911 Cabriolet (991)Carrera 4S 3.8
Power
365hp272kW
400hp298kW
Torque
430Nm317lb-ft
440Nm325lb-ft
Curb weight
1,405kg3,097lb
1,555kg3,428lb
Gross weight
1,705kg3,759lb
1,955kg4,310lb
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Calculated
294 km/h
183 mph
To 99% top speed
62.5s99% target: 297 km/h / 185 mph
Calculated
61.4s99% target: 291 km/h / 181 mph
Calculated
0-100 km/h
4.3s
4.3s
0-200 km/h
12.9s
Calculated
13.1s
Calculated
0-60 mph
4.1s
Calculated
4.1s
Calculated
Fuel consumption
8.5L/100 km27.7mpg US33.2mpg UK
9.2L/100 km25.6mpg US30.7mpg UK
Fuel consumption city
12L/100 km19.6mpg US23.5mpg UK
12.5L/100 km18.8mpg US22.6mpg UK
Fuel consumption highway
6.5L/100 km36.2mpg US43.5mpg UK
7.1L/100 km33.1mpg US39.8mpg UK
Quarter mile
12.2s
Calculated
12.2s
Calculated
Power-to-weight
260hp/t194kW/t118hp/1000 lb
Calculated
257hp/t192kW/t117hp/1000 lb
Calculated
Torque-to-weight
306Nm/t205lb-ft/ton
Calculated
283Nm/t189lb-ft/ton
Calculated
Estimated range
635km395mi
Calculated
739km459mi
Calculated
Displacement
2,497cc152cu in
3,800cc232cu in
Length
4,379mm172in
4,491mm177in
Width
1,801mm71in
1,852mm73in
Height
1,272mm50in
1,293mm51in
Wheelbase
2,475mm97in
2,450mm96in
Front track
1,527mm60in
1,538mm61in
Rear track
1,535mm60in
1,552mm61in
Trunk volume-
285L
Max trunk volume
150L
-
Doors
2
2
Seats
2
4
Fuel tank
54L
68L
CO2 emissions
195g/km
214g/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 2.5Porsche 911 Cabriolet (991) Carrera 4S 3.8PowerTorque
  • Porsche 718 Boxster (982) GTS 2.5: Power / Torque
  • Porsche 911 Cabriolet (991) Carrera 4S 3.8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche718 Boxster (982)GTS 2.56,500 rpm2,100-5,500 rpm6,750 rpm
Porsche911 Cabriolet (991)Carrera 4S 3.87,400 rpm5,600 rpm7,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche718 Boxster (982)GTS 2.5Porsche911 Cabriolet (991)Carrera 4S 3.8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.1 s
4.1 s
0-100 km/h
0-62 mph
4.3 s
4.3 s
0-200 km/h
0-124 mph
12.9 s
13.1 s
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Likely limited
294 km/h
183 mph
Drag race simulation
60 ft
18 m
2.1 s
2.1 s
330 ft
101 m
5.4 s
5.4 s
1/8 mile
201 m
8.1 s
8.1 s
1000 ft
305 m
10.3 s
10.3 s
1/4 mile
402 m
12.2 s
12.2 s
Trap speed
1/4 mile
402 m
194 km/h
121 mph
193 km/h
120 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
Porsche911 Cabriolet (991)Carrera 4S 3.8
400 hp
298 kW

Porsche 911 Cabriolet (991) Carrera 4S 3.8 has 35 hp more than Porsche 718 Boxster (982) GTS 2.5.

The biggest power difference is between Porsche 718 Boxster (982) GTS 2.5 and Porsche 911 Cabriolet (991) Carrera 4S 3.8: 35 hp (26 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)GTS 2.5
430 Nm
317 lb-ft
Porsche911 Cabriolet (991)Carrera 4S 3.8
440 Nm
325 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
1,405 kg
3,097 lb
Porsche911 Cabriolet (991)Carrera 4S 3.8
1,555 kg
3,428 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
Porsche911 Cabriolet (991)Carrera 4S 3.8
294 km/h
183 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 2.54.3 s
Porsche911 Cabriolet (991)Carrera 4S 3.84.3 s

Although Porsche 911 Cabriolet (991) Carrera 4S 3.8 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
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
Porsche911 Cabriolet (991)Carrera 4S 3.8
9.2 L/100 km
25.6 mpg US
30.7 mpg UK

The biggest fuel consumption difference is between Porsche 718 Boxster (982) GTS 2.5 and Porsche 911 Cabriolet (991) Carrera 4S 3.8: 0.7 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
Porsche718 Boxster (982)GTS 2.5
260 hp/t
194 kW/t
3.8 kg/hp
Porsche911 Cabriolet (991)Carrera 4S 3.8
257 hp/t
192 kW/t
3.9 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
635 km
395 mi
Porsche911 Cabriolet (991)Carrera 4S 3.8
739 km
459 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
4.3 s
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Porsche911 Cabriolet (991)Carrera 4S 3.8
400 hp
298 kW
4.3 s
294 km/h
183 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/h4.3 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
Porsche911 Cabriolet (991)Carrera 4S 3.8
Power
400 hp
298 kW
0-100 km/h4.3 s
Top speed
294 km/h
183 mph
Doors/seats
2 doors
4 seats
Trunk
285 L
10.1 cu ft
Length
4,491 mm
176.8 in
Height
1,293 mm
50.9 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
Porsche718 Boxster (982)GTS 2.5
Power
365 hp
272 kW
0-100 km/h4.3 s
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
Porsche911 Cabriolet (991)Carrera 4S 3.8
Power
400 hp
298 kW
0-100 km/h4.3 s
Top speed
294 km/h
183 mph
9.2 L/100 km
25.6 mpg US
30.7 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
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
4.3 s
Porsche911 Cabriolet (991)Carrera 4S 3.8
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
4.3 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
260 hp/t
194 kW/t
3.8 kg/hp
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
Porsche911 Cabriolet (991)Carrera 4S 3.8
257 hp/t
192 kW/t
3.9 kg/hp
9.2 L/100 km
25.6 mpg US
30.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche718 Boxster (982)GTS 2.5Porsche911 Cabriolet (991)Carrera 4S 3.8
Power
365 hp
272 kW
400 hp
298 kW
Torque
430 Nm
317 lb-ft
440 Nm
325 lb-ft
Acceleration
4.3 s
4.3 s
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
294 km/h
183 mph
Lightness
1,405 kg
3,097 lb
1,555 kg
3,428 lb
Fuel consumption
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
9.2 L/100 km
25.6 mpg US
30.7 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
285 L
10.1 cu ft
Length
4,491 mm
176.8 in
Height
1,293 mm
50.9 in
Range score
635 km
395 mi
739 km
459 mi
CO2 score
195 g/km
214 g/km
Trunk score
150 L
5.3 cu ft
285 L
10.1 cu ft
Power-to-weight score
260 hp/t
194 kW/t
3.8 kg/hp
257 hp/t
192 kW/t
3.9 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 2.5Porsche 911 Cabriolet (991) Carrera 4S 3.8
Consumption8.5 L/100 km27.7 mpg US33.2 mpg UK9.2 L/100 km25.6 mpg US30.7 mpg UK
Cost / 100 km14.88 LC100 km16.10 LC100 km
Cost / 100 mi23.94 LC100 mi25.91 LC100 mi
Annual fuel used1,275 L337 US gal280 UK gal1,380 L365 US gal304 UK gal
Annual fuel cost2,231 LC/year2,415 LC/year

Head-to-head comparisons

Porsche 718 Boxster (982) GTS 2.5

  • Is 150 kg lighter
  • Has 6 km/h (4 mph) higher top speed
  • Uses 0.7 L/100 km less fuel
  • Has 3 hp/t better power-to-weight
  • Emits 19 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

Cons

  • Lowest power
  • Smallest trunk

Porsche 911 Cabriolet (991) Carrera 4S 3.8

  • Has 35 hp more
  • Has 10 Nm more
  • Has 104 km (65 mi) more estimated range
  • Has 135 L more trunk volume

Pros

  • Most powerful
  • Highest torque
  • Best estimated range
  • 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
Porsche 911 Cabriolet (991) Carrera 4S 3.8
Compare selected cars
2 vehicles selected

Popular comparisons

GTS 2.5
4.0
VS
Porsche718 Boxster (982)GTS 2.5vsPorsche718 Spyder (982)4.0
Carrera 4S 3.8
Carrera 3.0
VS
Porsche911 Cabriolet (991)Carrera 4S 3.8vsPorsche911 Cabriolet (992)Carrera 3.0
GTS 2.5
GTS 2.5
VS
Porsche718 Boxster (982)GTS 2.5vsPorsche718 Cayman (982)GTS 2.5
Carrera 4S 3.8
Turbo 3.8
VS
Porsche911 Cabriolet (991)Carrera 4S 3.8vsPorsche911 Cabriolet (997)Facelift 2008Turbo 3.8
Carrera 4S 3.8
Carrera 3.0
VS
Porsche911 Cabriolet (991)Carrera 4S 3.8vsPorsche911 Cabriolet (992)Facelift 2024Carrera 3.0
Carrera 4S 3.8
Carrera 4S 3.8
VS
Porsche911 Cabriolet (991)Carrera 4S 3.8vsPorsche911 (991)Carrera 4S 3.8
GTS 2.5
Carrera 4 3.4
VS
Porsche718 Boxster (982)GTS 2.5vsPorsche911 Cabriolet (991)Carrera 4 3.4
Carrera 4S 3.8
Turbo 3.6
VS
Porsche911 Cabriolet (991)Carrera 4S 3.8vsPorsche911 Cabriolet (997)Turbo 3.6
GTS 2.5
P380 V6
VS
Porsche718 Boxster (982)GTS 2.5vsJaguarF-type ConvertibleFacelift 2017P380 V6
Carrera 4S 3.8
4S 3.8
VS
Porsche911 Cabriolet (991)Carrera 4S 3.8vsPorsche911 Targa (991)4S 3.8
GTS 2.5
2.5 TFSI
VS
Porsche718 Boxster (982)GTS 2.5vsAUDITT RS Roadster (8S)Facelift 20192.5 TFSI
Carrera 4S 3.8
Targa 4S 3.8
VS
Porsche911 Cabriolet (991)Carrera 4S 3.8vsPorsche911 Targa (997)Facelift 2008Targa 4S 3.8
Porsche 718 Boxster (982) GTS 2.5 vs Porsche 911 Cabriolet (991) Carrera 4S 3.8 - car comparison - FastVsFaster