Car comparison

Porsche 718 Boxster (982) S 2.5vsPorsche 911 Cabriolet (991) Carrera 4 3.4

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

New comparison

Porsche 718 Boxster (982)

S 2.5

350 hp2497 ccGasolineRWDManualTurbochargedCabriolet / convertible2018-2020
VS

Porsche 911 Cabriolet (991)

Carrera 4 3.4

350 hp3436 ccGasolineAWDManualNaturally aspiratedCabriolet / convertible2012-2015

Comparison overview

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

Best choices

Porsche 718 Boxster (982) S 2.5

  • Quickest 0-100 km/h
    4.9 s
  • Fastest top speed
    285 km/h
    177 mph
  • Most powerful
    350 hp
    261 kW
  • Highest torque
    420 Nm
    310 lb-ft
  • Lightest
    1,355 kg
    2,987 lb
  • Best power-to-weight
    258 hp/t
    193 kW/t
    3.9 kg/hp
  • Lowest combined fuel consumption
    9.2 L/100 km
    25.6 mpg US
    30.7 mpg UK
  • Lowest city consumption
    12.7 L/100 km
    18.5 mpg US
    22.2 mpg UK
  • Lowest highway consumption
    7.1 L/100 km
    33.1 mpg US
    39.8 mpg UK
  • Lowest CO2 emissions
    210 g/km
  • Best performance score
    73/100
  • Best economy score
    82/100

Specification comparison

Specification comparison
ModelPorsche718 Boxster (982)S 2.5Porsche911 Cabriolet (991)Carrera 4 3.4
Power
350hp261kW
350hp261kW
Torque
420Nm310lb-ft
390Nm288lb-ft
Curb weight
1,355kg2,987lb
1,520kg3,351lb
Gross weight
1,665kg3,671lb
1,900kg4,189lb
Top speed
285 km/h
177 mph
282 km/h
175 mph
To 99% top speed
65.6s99% target: 282 km/h / 175 mph
Calculated
71.7s99% target: 279 km/h / 173 mph
Calculated
0-100 km/h
4.9s
5.1s
0-200 km/h
15.2s
Calculated
16.4s
Calculated
0-60 mph
4.7s
Calculated
4.9s
Calculated
Fuel consumption
9.2L/100 km25.6mpg US30.7mpg UK
9.5L/100 km24.8mpg US29.7mpg UK
Fuel consumption city
12.7L/100 km18.5mpg US22.2mpg UK
13.1L/100 km18mpg US21.6mpg UK
Fuel consumption highway
7.1L/100 km33.1mpg US39.8mpg UK
7.5L/100 km31.4mpg US37.7mpg UK
Quarter mile
12.9s
Calculated
13.1s
Calculated
Power-to-weight
258hp/t193kW/t117hp/1000 lb
Calculated
230hp/t172kW/t104hp/1000 lb
Calculated
Torque-to-weight
310Nm/t207lb-ft/ton
Calculated
257Nm/t172lb-ft/ton
Calculated
Estimated range
587km365mi
Calculated
716km445mi
Calculated
Displacement
2,497cc152cu in
3,436cc210cu in
Length
4,379mm172in
4,491mm177in
Width
1,801mm71in
1,852mm73in
Height
1,280mm50in
1,300mm51in
Wheelbase
2,475mm97in
2,450mm96in
Front track
1,515mm60in
1,532mm60in
Rear track
1,539mm61in
1,560mm61in
Trunk volume-
285L
Max trunk volume
150L
-
Doors
2
2
Seats
2
4
Fuel tank
54L
68L
CO2 emissions
210g/km
223g/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) S 2.5Porsche 911 Cabriolet (991) Carrera 4 3.4PowerTorque
  • Porsche 718 Boxster (982) S 2.5: Power / Torque
  • Porsche 911 Cabriolet (991) Carrera 4 3.4: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche718 Boxster (982)S 2.56,500 rpm2,100-4,500 rpm6,750 rpm
Porsche911 Cabriolet (991)Carrera 4 3.47,400 rpm5,600 rpm7,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche718 Boxster (982)S 2.5Porsche911 Cabriolet (991)Carrera 4 3.4
Acceleration checkpoints
0-60 mph
0-97 km/h
4.7 s
4.9 s
0-100 km/h
0-62 mph
4.9 s
5.1 s
0-200 km/h
0-124 mph
15.2 s
16.4 s
Top speed
285 km/h
177 mph
282 km/h
175 mph
Drag race simulation
60 ft
18 m
2.2 s
2.2 s
330 ft
101 m
5.7 s
5.8 s
1/8 mile
201 m
8.5 s
8.7 s
1000 ft
305 m
10.9 s
11.1 s
1/4 mile
402 m
12.9 s
13.1 s
Trap speed
1/4 mile
402 m
185 km/h
115 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)S 2.5
350 hp
261 kW
Porsche911 Cabriolet (991)Carrera 4 3.4
350 hp
261 kW

Torque comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)S 2.5
420 Nm
310 lb-ft
Porsche911 Cabriolet (991)Carrera 4 3.4
390 Nm
288 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)S 2.5
1,355 kg
2,987 lb
Porsche911 Cabriolet (991)Carrera 4 3.4
1,520 kg
3,351 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)S 2.5
285 km/h
177 mph
Porsche911 Cabriolet (991)Carrera 4 3.4
282 km/h
175 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)S 2.54.9 s
Porsche911 Cabriolet (991)Carrera 4 3.45.1 s

The biggest 0-100 km/h difference is between Porsche 718 Boxster (982) S 2.5 and Porsche 911 Cabriolet (991) Carrera 4 3.4: 0.2 s.

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)S 2.5
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Porsche911 Cabriolet (991)Carrera 4 3.4
9.5 L/100 km
24.8 mpg US
29.7 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)S 2.5
258 hp/t
193 kW/t
3.9 kg/hp
Porsche911 Cabriolet (991)Carrera 4 3.4
230 hp/t
172 kW/t
4.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche718 Boxster (982)S 2.5
587 km
365 mi
Porsche911 Cabriolet (991)Carrera 4 3.4
716 km
445 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche718 Boxster (982)S 2.5
350 hp
261 kW
4.9 s
285 km/h
177 mph
Porsche911 Cabriolet (991)Carrera 4 3.4
350 hp
261 kW
5.1 s
282 km/h
175 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)S 2.5
Power
350 hp
261 kW
0-100 km/h4.9 s
Top speed
285 km/h
177 mph
Doors/seats
2 doors
2 seats
Trunk
150 L
5.3 cu ft
Length
4,379 mm
172.4 in
Height
1,280 mm
50.4 in
Porsche911 Cabriolet (991)Carrera 4 3.4
Power
350 hp
261 kW
0-100 km/h5.1 s
Top speed
282 km/h
175 mph
Doors/seats
2 doors
4 seats
Trunk
285 L
10.1 cu ft
Length
4,491 mm
176.8 in
Height
1,300 mm
51.2 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
Porsche718 Boxster (982)S 2.5
Power
350 hp
261 kW
0-100 km/h4.9 s
Top speed
285 km/h
177 mph
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Porsche911 Cabriolet (991)Carrera 4 3.4
Power
350 hp
261 kW
0-100 km/h5.1 s
Top speed
282 km/h
175 mph
9.5 L/100 km
24.8 mpg US
29.7 mpg UK

Porsche 718 Boxster (982) S 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)S 2.5
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
4.9 s
Porsche911 Cabriolet (991)Carrera 4 3.4
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
5.1 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)S 2.5
258 hp/t
193 kW/t
3.9 kg/hp
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Porsche911 Cabriolet (991)Carrera 4 3.4
230 hp/t
172 kW/t
4.3 kg/hp
9.5 L/100 km
24.8 mpg US
29.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche718 Boxster (982)S 2.5Porsche911 Cabriolet (991)Carrera 4 3.4
Power
350 hp
261 kW
350 hp
261 kW
Torque
420 Nm
310 lb-ft
390 Nm
288 lb-ft
Acceleration
4.9 s
5.1 s
Top speed
285 km/h
177 mph
282 km/h
175 mph
Lightness
1,355 kg
2,987 lb
1,520 kg
3,351 lb
Fuel consumption
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
150 L
5.3 cu ft
Length
4,379 mm
172.4 in
Height
1,280 mm
50.4 in
Doors/seats
2 doors
4 seats
Trunk
285 L
10.1 cu ft
Length
4,491 mm
176.8 in
Height
1,300 mm
51.2 in
Range score
587 km
365 mi
716 km
445 mi
CO2 score
210 g/km
223 g/km
Trunk score
150 L
5.3 cu ft
285 L
10.1 cu ft
Power-to-weight score
258 hp/t
193 kW/t
3.9 kg/hp
230 hp/t
172 kW/t
4.3 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) S 2.5Porsche 911 Cabriolet (991) Carrera 4 3.4
Consumption9.2 L/100 km25.6 mpg US30.7 mpg UK9.5 L/100 km24.8 mpg US29.7 mpg UK
Cost / 100 km16.10 LC100 km16.63 LC100 km
Cost / 100 mi25.91 LC100 mi26.76 LC100 mi
Annual fuel used1,380 L365 US gal304 UK gal1,425 L376 US gal313 UK gal
Annual fuel cost2,415 LC/year2,494 LC/year

Head-to-head comparisons

Porsche 718 Boxster (982) S 2.5

  • Has 30 Nm more
  • Is 165 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Has 3 km/h (2 mph) higher top speed
  • Uses 0.3 L/100 km less fuel
  • Has 28 hp/t better power-to-weight
  • Emits 13 g/km less CO2

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

Cons

  • Smallest trunk

Porsche 911 Cabriolet (991) Carrera 4 3.4

  • Has 129 km (80 mi) more estimated range
  • Has 135 L more trunk volume

Pros

  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • 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) S 2.5
Porsche 911 Cabriolet (991) Carrera 4 3.4
Compare selected cars
2 vehicles selected

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Porsche 718 Boxster (982) S 2.5 vs Porsche 911 Cabriolet (991) Carrera 4 3.4 - car comparison - FastVsFaster