Car comparison

Porsche 718 Cayman (982) S 2.5vsPorsche Cayman (981C) S 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 ccGasolineRWDManualTurbochargedCoupe2016-2018
VS

Porsche Cayman (981C)

S 3.4

325 hp3436 ccGasolineRWDManualNaturally aspiratedCoupe2013-2016

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
    4.6 s
  • Fastest top speed
    285 km/h
    177 mph
  • Most powerful
    350 hp
    261 kW
  • Highest torque
    420 Nm
    310 lb-ft
  • Best power-to-weight
    258 hp/t
    193 kW/t
    3.9 kg/hp
  • Lowest combined fuel consumption
    8.1 L/100 km
    29.0 mpg US
    34.9 mpg UK
  • Lowest city consumption
    10.7 L/100 km
    22.0 mpg US
    26.4 mpg UK
  • Lowest highway consumption
    6.5 L/100 km
    36.2 mpg US
    43.5 mpg UK
  • Lowest CO2 emissions
    184 g/km
  • Best estimated range
    790 km
    491 mi
  • Best overall score
    63/100
  • Best performance score
    74/100
  • Best economy score
    85/100

Specification comparison

Specification comparison
ModelPorsche718 Cayman (982)S 2.5PorscheCayman (981C)S 3.4
Power
350hp261kW
325hp242kW
Torque
420Nm310lb-ft
370Nm273lb-ft
Curb weight
1,355kg2,987lb
1,340kg2,954lb
Gross weight
1,665kg3,671lb
1,665kg3,671lb
Top speed
285 km/h
177 mph
283 km/h
176 mph
To 99% top speed
71.7s99% target: 282 km/h / 175 mph
Calculated
67.4s99% target: 280 km/h / 174 mph
Calculated
0-100 km/h
4.6s
5.0s
0-200 km/h
15.2s
15.7s
Calculated
0-60 mph
4.4s
Calculated
4.8s
Calculated
Fuel consumption
8.1L/100 km29mpg US34.9mpg UK
9L/100 km26.1mpg US31.4mpg UK
Fuel consumption city
10.7L/100 km22mpg US26.4mpg UK
12.7L/100 km18.5mpg US22.2mpg UK
Fuel consumption highway
6.5L/100 km36.2mpg US43.5mpg UK
7.1L/100 km33.1mpg US39.8mpg UK
Quarter mile
12.7s
Calculated
13.0s
Calculated
Power-to-weight
258hp/t193kW/t117hp/1000 lb
Calculated
243hp/t181kW/t110hp/1000 lb
Calculated
Torque-to-weight
310Nm/t207lb-ft/ton
Calculated
276Nm/t185lb-ft/ton
Calculated
Estimated range
790km491mi
Calculated
711km442mi
Calculated
Displacement
2,497cc152cu in
3,436cc210cu in
Length
4,379mm172in
4,380mm172in
Width
1,801mm71in
1,801mm71in
Height
1,284mm51in
1,295mm51in
Wheelbase
2,475mm97in
2,475mm97in
Front track
1,515mm60in
-
Rear track
1,540mm61in
-
Trunk volume
334L
425L
Doors
2
2
Seats
2
2
Fuel tank
64L
64L
CO2 emissions
184g/km
211g/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 Cayman (981C) S 3.4PowerTorque
  • Porsche 718 Cayman (982) S 2.5: Power / Torque
  • Porsche Cayman (981C) S 3.4: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche718 Cayman (982)S 2.56,500 rpm1,900-4,500 rpm7,500 rpm
PorscheCayman (981C)S 3.47,400 rpm4,500-5,800 rpm7,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche718 Cayman (982)S 2.5PorscheCayman (981C)S 3.4
Acceleration checkpoints
0-60 mph
0-97 km/h
4.4 s
4.8 s
0-100 km/h
0-62 mph
4.6 s
5.0 s
0-200 km/h
0-124 mph
15.2 s
15.7 s
Top speed
285 km/h
177 mph
283 km/h
176 mph
Drag race simulation
60 ft
18 m
2.1 s
2.2 s
330 ft
101 m
5.5 s
5.8 s
1/8 mile
201 m
8.3 s
8.6 s
1000 ft
305 m
10.7 s
11.0 s
1/4 mile
402 m
12.7 s
13.0 s
Trap speed
1/4 mile
402 m
184 km/h
114 mph
183 km/h
113 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
PorscheCayman (981C)S 3.4
325 hp
242 kW

Porsche 718 Cayman (982) S 2.5 has 25 hp more than Porsche Cayman (981C) S 3.4.

The biggest power difference is between Porsche Cayman (981C) S 3.4 and Porsche 718 Cayman (982) S 2.5: 25 hp (19 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
PorscheCayman (981C)S 3.4
370 Nm
273 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
1,355 kg
2,987 lb
PorscheCayman (981C)S 3.4
1,340 kg
2,954 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
PorscheCayman (981C)S 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 2.54.6 s
PorscheCayman (981C)S 3.45.0 s

The biggest 0-100 km/h difference is between Porsche 718 Cayman (982) S 2.5 and Porsche Cayman (981C) S 3.4: 0.4 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
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
PorscheCayman (981C)S 3.4
9.0 L/100 km
26.1 mpg US
31.4 mpg UK

The biggest fuel consumption difference is between Porsche 718 Cayman (982) S 2.5 and Porsche Cayman (981C) S 3.4: 0.9 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 Cayman (982)S 2.5
258 hp/t
193 kW/t
3.9 kg/hp
PorscheCayman (981C)S 3.4
243 hp/t
181 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 Cayman (982)S 2.5
790 km
491 mi
PorscheCayman (981C)S 3.4
711 km
442 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
4.6 s
285 km/h
177 mph
PorscheCayman (981C)S 3.4
325 hp
242 kW
5.0 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/h4.6 s
Top speed
285 km/h
177 mph
Doors/seats
2 doors
2 seats
Trunk
334 L
11.8 cu ft
Length
4,379 mm
172.4 in
Height
1,284 mm
50.6 in
PorscheCayman (981C)S 3.4
Power
325 hp
242 kW
0-100 km/h5.0 s
Top speed
283 km/h
176 mph
Doors/seats
2 doors
2 seats
Trunk
425 L
15.0 cu ft
Length
4,380 mm
172.4 in
Height
1,295 mm
51.0 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/h4.6 s
Top speed
285 km/h
177 mph
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
PorscheCayman (981C)S 3.4
Power
325 hp
242 kW
0-100 km/h5.0 s
Top speed
283 km/h
176 mph
9.0 L/100 km
26.1 mpg US
31.4 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
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
4.6 s
PorscheCayman (981C)S 3.4
9.0 L/100 km
26.1 mpg US
31.4 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
Porsche718 Cayman (982)S 2.5
258 hp/t
193 kW/t
3.9 kg/hp
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
PorscheCayman (981C)S 3.4
243 hp/t
181 kW/t
4.1 kg/hp
9.0 L/100 km
26.1 mpg US
31.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche718 Cayman (982)S 2.5PorscheCayman (981C)S 3.4
Power
350 hp
261 kW
325 hp
242 kW
Torque
420 Nm
310 lb-ft
370 Nm
273 lb-ft
Acceleration
4.6 s
5.0 s
Top speed
285 km/h
177 mph
283 km/h
176 mph
Lightness
1,355 kg
2,987 lb
1,340 kg
2,954 lb
Fuel consumption
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
334 L
11.8 cu ft
Length
4,379 mm
172.4 in
Height
1,284 mm
50.6 in
Doors/seats
2 doors
2 seats
Trunk
425 L
15.0 cu ft
Length
4,380 mm
172.4 in
Height
1,295 mm
51.0 in
Range score
790 km
491 mi
711 km
442 mi
CO2 score
184 g/km
211 g/km
Trunk score
334 L
11.8 cu ft
425 L
15.0 cu ft
Power-to-weight score
258 hp/t
193 kW/t
3.9 kg/hp
243 hp/t
181 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 Cayman (982) S 2.5Porsche Cayman (981C) S 3.4
Consumption8.1 L/100 km29 mpg US34.9 mpg UK9 L/100 km26.1 mpg US31.4 mpg UK
Cost / 100 km14.17 LC100 km15.75 LC100 km
Cost / 100 mi22.81 LC100 mi25.35 LC100 mi
Annual fuel used1,215 L321 US gal267 UK gal1,350 L357 US gal297 UK gal
Annual fuel cost2,126 LC/year2,363 LC/year

Head-to-head comparisons

Porsche 718 Cayman (982) S 2.5

  • Has 25 hp more
  • Has 50 Nm more
  • Is 0.4 s quicker from 0-100 km/h
  • Has 2 km/h (1 mph) higher top speed
  • Uses 0.9 L/100 km less fuel
  • Has 16 hp/t better power-to-weight
  • Has 79 km (49 mi) more estimated range
  • Emits 27 g/km less CO2

Pros

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

Cons

  • Heaviest
  • Smallest trunk

Porsche Cayman (981C) S 3.4

  • Is 15 kg lighter
  • Has 91 L more trunk volume

Pros

  • Lightest
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Lowest top speed
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 718 Cayman (982) S 2.5
Porsche Cayman (981C) S 3.4
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