Car comparison

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

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

New comparison

Porsche 718 Cayman (982)

S 2.5

350 hp2497 ccGasolineRWDDual-clutchTurbochargedCoupe2020-present
VS

Porsche 911 (991)

Carrera 4 3.4

350 hp3436 ccGasolineAWDDual-clutchNaturally aspiratedCoupe2012-2015

Comparison overview

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

Best choices

Porsche 718 Cayman (982) S 2.5

  • Quickest 0-100 km/h
    4.4 s
  • Fastest top speed
    285 km/h
    177 mph
  • Most powerful
    350 hp
    261 kW
  • Highest torque
    420 Nm
    310 lb-ft
  • Lightest
    1,385 kg
    3,053 lb
  • Best power-to-weight
    253 hp/t
    188 kW/t
    4.0 kg/hp
  • Lowest CO2 emissions
    200 g/km
  • Best performance score
    75/100

Porsche 911 (991) Carrera 4 3.4

  • Lowest combined fuel consumption
    8.6 L/100 km
    27.4 mpg US
    32.8 mpg UK
  • Lowest city consumption
    11.7 L/100 km
    20.1 mpg US
    24.1 mpg UK
  • Lowest highway consumption
    6.8 L/100 km
    34.6 mpg US
    41.5 mpg UK
  • Best estimated range
    791 km
    491 mi
  • Largest trunk
    385 L
  • Best overall score
    66/100
  • Best economy score
    84/100
  • Best practicality score
    50/100

Specification comparison

Specification comparison
ModelPorsche718 Cayman (982)S 2.5Porsche911 (991)Carrera 4 3.4
Power
350hp261kW
350hp261kW
Torque
420Nm310lb-ft
390Nm288lb-ft
Curb weight
1,385kg3,053lb
1,470kg3,241lb
Gross weight
1,695kg3,737lb
1,865kg4,112lb
Top speed
285 km/h
177 mph
283 km/h
176 mph
To 99% top speed
73.7s99% target: 282 km/h / 175 mph
Calculated
62.1s99% target: 280 km/h / 174 mph
Calculated
0-100 km/h
4.4s
4.5s
0-200 km/h
15.0s
14.2s
Calculated
0-60 mph
4.2s
Calculated
4.3s
Calculated
Fuel consumption
8.8L/100 km26.7mpg US32.1mpg UK
8.6L/100 km27.4mpg US32.8mpg UK
Fuel consumption city
12.3L/100 km19.1mpg US23.0mpg UK
11.7L/100 km20.1mpg US24.1mpg UK
Fuel consumption highway
7L/100 km33.6mpg US40.4mpg UK
6.8L/100 km34.6mpg US41.5mpg UK
Quarter mile
12.5s
Calculated
12.5s
Calculated
Power-to-weight
253hp/t188kW/t115hp/1000 lb
Calculated
238hp/t178kW/t108hp/1000 lb
Calculated
Torque-to-weight
303Nm/t203lb-ft/ton
Calculated
265Nm/t178lb-ft/ton
Calculated
Estimated range
727km452mi
Calculated
791km491mi
Calculated
Displacement
2,497cc152cu in
3,436cc210cu in
Length
4,379mm172in
4,491mm177in
Width
1,801mm71in
1,852mm73in
Height
1,284mm51in
1,304mm51in
Wheelbase
2,475mm97in
2,450mm96in
Front track
1,515mm60in
1,532mm60in
Rear track
1,540mm61in
1,560mm61in
Trunk volume
275L
385L
Doors
2
2
Seats
2
4
Fuel tank
64L
68L
CO2 emissions
200g/km
200g/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 Cayman (982) S 2.5Porsche 911 (991) Carrera 4 3.4PowerTorque
  • Porsche 718 Cayman (982) S 2.5: Power / Torque
  • Porsche 911 (991) Carrera 4 3.4: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche718 Cayman (982)S 2.56,500 rpm2,100-4,500 rpm7,500 rpm
Porsche911 (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 Cayman (982)S 2.5Porsche911 (991)Carrera 4 3.4
Acceleration checkpoints
0-60 mph
0-97 km/h
4.2 s
4.3 s
0-100 km/h
0-62 mph
4.4 s
4.5 s
0-200 km/h
0-124 mph
15.0 s
14.2 s
Top speed
285 km/h
177 mph
283 km/h
176 mph
Drag race simulation
60 ft
18 m
2.0 s
2.1 s
330 ft
101 m
5.4 s
5.5 s
1/8 mile
201 m
8.1 s
8.2 s
1000 ft
305 m
10.5 s
10.6 s
1/4 mile
402 m
12.5 s
12.5 s
Trap speed
1/4 mile
402 m
184 km/h
114 mph
188 km/h
117 mph

Power comparison

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

Chart data table
VehicleValue
Porsche718 Cayman (982)S 2.5
350 hp
261 kW
Porsche911 (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 Cayman (982)S 2.5
420 Nm
310 lb-ft
Porsche911 (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 Cayman (982)S 2.5
1,385 kg
3,053 lb
Porsche911 (991)Carrera 4 3.4
1,470 kg
3,241 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 Cayman (982)S 2.5
285 km/h
177 mph
Porsche911 (991)Carrera 4 3.4
283 km/h
176 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
Porsche718 Cayman (982)S 2.54.4 s
Porsche911 (991)Carrera 4 3.44.5 s

The biggest 0-100 km/h difference is between Porsche 718 Cayman (982) S 2.5 and Porsche 911 (991) Carrera 4 3.4: 0.1 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 Cayman (982)S 2.5
8.8 L/100 km
26.7 mpg US
32.1 mpg UK
Porsche911 (991)Carrera 4 3.4
8.6 L/100 km
27.4 mpg US
32.8 mpg UK

Power-to-weight comparison

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

Chart data table
VehicleValue
Porsche718 Cayman (982)S 2.5
253 hp/t
188 kW/t
4.0 kg/hp
Porsche911 (991)Carrera 4 3.4
238 hp/t
178 kW/t
4.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche718 Cayman (982)S 2.5
727 km
452 mi
Porsche911 (991)Carrera 4 3.4
791 km
491 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche718 Cayman (982)S 2.5
350 hp
261 kW
4.4 s
285 km/h
177 mph
Porsche911 (991)Carrera 4 3.4
350 hp
261 kW
4.5 s
283 km/h
176 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 Cayman (982)S 2.5
Power
350 hp
261 kW
0-100 km/h4.4 s
Top speed
285 km/h
177 mph
Doors/seats
2 doors
2 seats
Trunk
275 L
9.7 cu ft
Length
4,379 mm
172.4 in
Height
1,284 mm
50.6 in
Porsche911 (991)Carrera 4 3.4
Power
350 hp
261 kW
0-100 km/h4.5 s
Top speed
283 km/h
176 mph
Doors/seats
2 doors
4 seats
Trunk
385 L
13.6 cu ft
Length
4,491 mm
176.8 in
Height
1,304 mm
51.3 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 Cayman (982)S 2.5
Power
350 hp
261 kW
0-100 km/h4.4 s
Top speed
285 km/h
177 mph
8.8 L/100 km
26.7 mpg US
32.1 mpg UK
Porsche911 (991)Carrera 4 3.4
Power
350 hp
261 kW
0-100 km/h4.5 s
Top speed
283 km/h
176 mph
8.6 L/100 km
27.4 mpg US
32.8 mpg UK

Porsche 718 Cayman (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 Cayman (982)S 2.5
8.8 L/100 km
26.7 mpg US
32.1 mpg UK
4.4 s
Porsche911 (991)Carrera 4 3.4
8.6 L/100 km
27.4 mpg US
32.8 mpg UK
4.5 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 Cayman (982)S 2.5
253 hp/t
188 kW/t
4.0 kg/hp
8.8 L/100 km
26.7 mpg US
32.1 mpg UK
Porsche911 (991)Carrera 4 3.4
238 hp/t
178 kW/t
4.2 kg/hp
8.6 L/100 km
27.4 mpg US
32.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche718 Cayman (982)S 2.5Porsche911 (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
4.4 s
4.5 s
Top speed
285 km/h
177 mph
283 km/h
176 mph
Lightness
1,385 kg
3,053 lb
1,470 kg
3,241 lb
Fuel consumption
8.8 L/100 km
26.7 mpg US
32.1 mpg UK
8.6 L/100 km
27.4 mpg US
32.8 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
275 L
9.7 cu ft
Length
4,379 mm
172.4 in
Height
1,284 mm
50.6 in
Doors/seats
2 doors
4 seats
Trunk
385 L
13.6 cu ft
Length
4,491 mm
176.8 in
Height
1,304 mm
51.3 in
Range score
727 km
452 mi
791 km
491 mi
CO2 score
200 g/km
200 g/km
Trunk score
275 L
9.7 cu ft
385 L
13.6 cu ft
Power-to-weight score
253 hp/t
188 kW/t
4.0 kg/hp
238 hp/t
178 kW/t
4.2 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 Cayman (982) S 2.5Porsche 911 (991) Carrera 4 3.4
Consumption8.8 L/100 km26.7 mpg US32.1 mpg UK8.6 L/100 km27.4 mpg US32.8 mpg UK
Cost / 100 km15.40 LC100 km15.05 LC100 km
Cost / 100 mi24.78 LC100 mi24.22 LC100 mi
Annual fuel used1,320 L349 US gal290 UK gal1,290 L341 US gal284 UK gal
Annual fuel cost2,310 LC/year2,258 LC/year

Head-to-head comparisons

Porsche 718 Cayman (982) S 2.5

  • Has 30 Nm more
  • Is 85 kg lighter
  • Is 0.1 s quicker from 0-100 km/h
  • Has 2 km/h (1 mph) higher top speed
  • Has 15 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lightest
  • Best power-to-weight ratio

Cons

  • Highest combined fuel consumption
  • Smallest trunk
  • Highest CO2 emissions

Porsche 911 (991) Carrera 4 3.4

  • Uses 0.2 L/100 km less fuel
  • Has 63 km (39 mi) more estimated range
  • Has 110 L more trunk volume

Pros

  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 718 Cayman (982) S 2.5
Porsche 911 (991) Carrera 4 3.4
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