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 ccGasolineRWDManualTurbochargedCoupe2016-2018
VS

Porsche 911 (991)

Carrera 4 3.4

350 hp3436 ccGasolineAWDManualNaturally 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
    4.6 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
    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 performance score
    74/100
  • Best economy score
    85/100

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
1,355kg2,987lb
1,450kg3,197lb
Gross weight
1,665kg3,671lb
1,845kg4,068lb
Top speed
285 km/h
177 mph
285 km/h
177 mph
To 99% top speed
71.7s99% target: 282 km/h / 175 mph
Calculated
68.4s99% target: 282 km/h / 175 mph
Calculated
0-100 km/h
4.6s
4.9s
0-200 km/h
15.2s
15.4s
Calculated
0-60 mph
4.4s
Calculated
4.7s
Calculated
Fuel consumption
8.1L/100 km29mpg US34.9mpg UK
9.3L/100 km25.3mpg US30.4mpg UK
Fuel consumption city
10.7L/100 km22mpg US26.4mpg UK
12.9L/100 km18.2mpg US21.9mpg UK
Fuel consumption highway
6.5L/100 km36.2mpg US43.5mpg UK
7.4L/100 km31.8mpg US38.2mpg UK
Quarter mile
12.7s
Calculated
12.9s
Calculated
Power-to-weight
258hp/t193kW/t117hp/1000 lb
Calculated
241hp/t180kW/t109hp/1000 lb
Calculated
Torque-to-weight
310Nm/t207lb-ft/ton
Calculated
269Nm/t180lb-ft/ton
Calculated
Estimated range
790km491mi
Calculated
731km454mi
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
334L
385L
Doors
2
2
Seats
2
4
Fuel tank
64L
68L
CO2 emissions
184g/km
218g/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 rpm1,900-4,500 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
4.4 s
4.7 s
0-100 km/h
0-62 mph
4.6 s
4.9 s
0-200 km/h
0-124 mph
15.2 s
15.4 s
Top speed
285 km/h
177 mph
285 km/h
177 mph
Drag race simulation
60 ft
18 m
2.1 s
2.2 s
330 ft
101 m
5.5 s
5.7 s
1/8 mile
201 m
8.3 s
8.5 s
1000 ft
305 m
10.7 s
10.9 s
1/4 mile
402 m
12.7 s
12.9 s
Trap speed
1/4 mile
402 m
184 km/h
114 mph
183 km/h
114 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
1,355 kg
2,987 lb
Porsche911 (991)Carrera 4 3.4
1,450 kg
3,197 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
285 km/h
177 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
Porsche911 (991)Carrera 4 3.44.9 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: 0.3 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
Porsche911 (991)Carrera 4 3.4
9.3 L/100 km
25.3 mpg US
30.4 mpg UK

The biggest fuel consumption difference is between Porsche 718 Cayman (982) S 2.5 and Porsche 911 (991) Carrera 4 3.4: 1.2 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
Porsche911 (991)Carrera 4 3.4
241 hp/t
180 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
Porsche911 (991)Carrera 4 3.4
731 km
454 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
Porsche911 (991)Carrera 4 3.4
350 hp
261 kW
4.9 s
285 km/h
177 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
Porsche911 (991)Carrera 4 3.4
Power
350 hp
261 kW
0-100 km/h4.9 s
Top speed
285 km/h
177 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/h4.6 s
Top speed
285 km/h
177 mph
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
Porsche911 (991)Carrera 4 3.4
Power
350 hp
261 kW
0-100 km/h4.9 s
Top speed
285 km/h
177 mph
9.3 L/100 km
25.3 mpg US
30.4 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
Porsche911 (991)Carrera 4 3.4
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
4.9 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
Porsche911 (991)Carrera 4 3.4
241 hp/t
180 kW/t
4.1 kg/hp
9.3 L/100 km
25.3 mpg US
30.4 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
4.6 s
4.9 s
Top speed
285 km/h
177 mph
285 km/h
177 mph
Lightness
1,355 kg
2,987 lb
1,450 kg
3,197 lb
Fuel consumption
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
9.3 L/100 km
25.3 mpg US
30.4 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
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
790 km
491 mi
731 km
454 mi
CO2 score
184 g/km
218 g/km
Trunk score
334 L
11.8 cu ft
385 L
13.6 cu ft
Power-to-weight score
258 hp/t
193 kW/t
3.9 kg/hp
241 hp/t
180 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 911 (991) Carrera 4 3.4
Consumption8.1 L/100 km29 mpg US34.9 mpg UK9.3 L/100 km25.3 mpg US30.4 mpg UK
Cost / 100 km14.17 LC100 km16.28 LC100 km
Cost / 100 mi22.81 LC100 mi26.19 LC100 mi
Annual fuel used1,215 L321 US gal267 UK gal1,395 L369 US gal307 UK gal
Annual fuel cost2,126 LC/year2,441 LC/year

Head-to-head comparisons

Porsche 718 Cayman (982) S 2.5

  • Has 30 Nm more
  • Is 95 kg lighter
  • Is 0.3 s quicker from 0-100 km/h
  • Uses 1.2 L/100 km less fuel
  • Has 17 hp/t better power-to-weight
  • Has 59 km (37 mi) more estimated range
  • Emits 34 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
  • Best estimated range

Cons

  • Smallest trunk

Porsche 911 (991) Carrera 4 3.4

  • Has 51 L more trunk volume

Pros

  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Highest CO2 emissions

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