Car comparison

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

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

New comparison

Porsche 718 Cayman (982)

GTS 2.5

365 hp2497 ccGasolineRWDManualTurbochargedCoupe2018-2020
VS

Porsche 911 (991)

Carrera 3.4

350 hp3436 ccGasolineRWDManualNaturally aspiratedCoupe2011-2015

Comparison overview

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

Best choices

Porsche 911 (991) Carrera 3.4

  • Quickest 0-100 km/h
    4.8 s
  • Lowest combined fuel consumption
    9.0 L/100 km
    26.1 mpg US
    31.4 mpg UK
  • Lowest city consumption
    12.4 L/100 km
    19.0 mpg US
    22.8 mpg UK
  • Lowest highway consumption
    7.0 L/100 km
    33.6 mpg US
    40.4 mpg UK
  • Best estimated range
    711 km
    442 mi
  • Largest trunk
    340 L
  • Best overall score
    66/100
  • Best economy score
    83/100
  • Best practicality score
    48/100

Porsche 718 Cayman (982) GTS 2.5

  • Fastest top speed
    300 km/h
    186 mph Unrestricted
    290 km/h
    180 mph Restricted
  • Most powerful
    365 hp
    272 kW
  • Highest torque
    420 Nm
    310 lb-ft
  • Lightest
    1,375 kg
    3,031 lb
  • Best power-to-weight
    265 hp/t
    198 kW/t
    3.8 kg/hp
  • Lowest CO2 emissions
    210 g/km
  • Best performance score
    75/100

Specification comparison

Specification comparison
ModelPorsche718 Cayman (982)GTS 2.5Porsche911 (991)Carrera 3.4
Power
365hp272kW
350hp261kW
Torque
420Nm310lb-ft
390Nm288lb-ft
Curb weight
1,375kg3,031lb
1,400kg3,086lb
Gross weight
1,450kg3,197lb
1,795kg3,957lb
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Calculated
289 km/h
180 mph
To 99% top speed
71.0s99% target: 297 km/h / 185 mph
Calculated
65.7s99% target: 286 km/h / 178 mph
Calculated
0-100 km/h
4.9s
4.8s
0-200 km/h
14.7s
Calculated
14.7s
Calculated
0-60 mph
4.7s
Calculated
4.6s
Calculated
Fuel consumption
9.2L/100 km25.6mpg US30.7mpg UK
9L/100 km26.1mpg US31.4mpg UK
Fuel consumption city
12.8L/100 km18.4mpg US22.1mpg UK
12.4L/100 km19mpg US22.8mpg UK
Fuel consumption highway
7.1L/100 km33.1mpg US39.8mpg UK
7L/100 km33.6mpg US40.4mpg UK
Quarter mile
12.8s
Calculated
12.8s
Calculated
Power-to-weight
265hp/t198kW/t120hp/1000 lb
Calculated
250hp/t186kW/t113hp/1000 lb
Calculated
Torque-to-weight
305Nm/t204lb-ft/ton
Calculated
279Nm/t186lb-ft/ton
Calculated
Estimated range
696km432mi
Calculated
711km442mi
Calculated
Displacement
2,497cc152cu in
3,436cc210cu in
Length
4,393mm173in
4,491mm177in
Width
1,801mm71in
1,808mm71in
Height
1,286mm51in
1,303mm51in
Wheelbase
2,475mm97in
2,450mm96in
Front track
1,527mm60in
1,532mm60in
Rear track
1,535mm60in
1,518mm60in
Trunk volume-
340L
Max trunk volume
150L
-
Doors
2
2
Seats
2
4
Fuel tank
64L
64L
CO2 emissions
210g/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) GTS 2.5Porsche 911 (991) Carrera 3.4PowerTorque
  • Porsche 718 Cayman (982) GTS 2.5: Power / Torque
  • Porsche 911 (991) Carrera 3.4: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche718 Cayman (982)GTS 2.56,500 rpm2,100-5,500 rpm6,750 rpm
Porsche911 (991)Carrera 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)GTS 2.5Porsche911 (991)Carrera 3.4
Acceleration checkpoints
0-60 mph
0-97 km/h
4.7 s
4.6 s
0-100 km/h
0-62 mph
4.9 s
4.8 s
0-200 km/h
0-124 mph
14.7 s
14.7 s
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Likely limited
289 km/h
180 mph
Drag race simulation
60 ft
18 m
2.2 s
2.2 s
330 ft
101 m
5.7 s
5.7 s
1/8 mile
201 m
8.5 s
8.4 s
1000 ft
305 m
10.9 s
10.8 s
1/4 mile
402 m
12.8 s
12.8 s
Trap speed
1/4 mile
402 m
187 km/h
116 mph
186 km/h
116 mph

Power comparison

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

Chart data table
VehicleValue
Porsche718 Cayman (982)GTS 2.5
365 hp
272 kW
Porsche911 (991)Carrera 3.4
350 hp
261 kW

Porsche 718 Cayman (982) GTS 2.5 has 15 hp more than Porsche 911 (991) Carrera 3.4.

The biggest power difference is between Porsche 911 (991) Carrera 3.4 and Porsche 718 Cayman (982) GTS 2.5: 15 hp (11 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche718 Cayman (982)GTS 2.5
420 Nm
310 lb-ft
Porsche911 (991)Carrera 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)GTS 2.5
1,375 kg
3,031 lb
Porsche911 (991)Carrera 3.4
1,400 kg
3,086 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)GTS 2.5
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Porsche911 (991)Carrera 3.4
289 km/h
180 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)GTS 2.54.9 s
Porsche911 (991)Carrera 3.44.8 s

Although Porsche 718 Cayman (982) GTS 2.5 has more power, Porsche 911 (991) Carrera 3.4 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Porsche 911 (991) Carrera 3.4 and Porsche 718 Cayman (982) GTS 2.5: 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)GTS 2.5
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Porsche911 (991)Carrera 3.4
9.0 L/100 km
26.1 mpg US
31.4 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)GTS 2.5
265 hp/t
198 kW/t
3.8 kg/hp
Porsche911 (991)Carrera 3.4
250 hp/t
186 kW/t
4.0 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche718 Cayman (982)GTS 2.5
696 km
432 mi
Porsche911 (991)Carrera 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)GTS 2.5
365 hp
272 kW
4.9 s
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Porsche911 (991)Carrera 3.4
350 hp
261 kW
4.8 s
289 km/h
180 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)GTS 2.5
Power
365 hp
272 kW
0-100 km/h4.9 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
4,393 mm
173.0 in
Height
1,286 mm
50.6 in
Porsche911 (991)Carrera 3.4
Power
350 hp
261 kW
0-100 km/h4.8 s
Top speed
289 km/h
180 mph
Doors/seats
2 doors
4 seats
Trunk
340 L
12.0 cu ft
Length
4,491 mm
176.8 in
Height
1,303 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)GTS 2.5
Power
365 hp
272 kW
0-100 km/h4.9 s
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Porsche911 (991)Carrera 3.4
Power
350 hp
261 kW
0-100 km/h4.8 s
Top speed
289 km/h
180 mph
9.0 L/100 km
26.1 mpg US
31.4 mpg UK

Porsche 718 Cayman (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 Cayman (982)GTS 2.5
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
4.9 s
Porsche911 (991)Carrera 3.4
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
4.8 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)GTS 2.5
265 hp/t
198 kW/t
3.8 kg/hp
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Porsche911 (991)Carrera 3.4
250 hp/t
186 kW/t
4.0 kg/hp
9.0 L/100 km
26.1 mpg US
31.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche718 Cayman (982)GTS 2.5Porsche911 (991)Carrera 3.4
Power
365 hp
272 kW
350 hp
261 kW
Torque
420 Nm
310 lb-ft
390 Nm
288 lb-ft
Acceleration
4.9 s
4.8 s
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
289 km/h
180 mph
Lightness
1,375 kg
3,031 lb
1,400 kg
3,086 lb
Fuel consumption
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
150 L
5.3 cu ft
Length
4,393 mm
173.0 in
Height
1,286 mm
50.6 in
Doors/seats
2 doors
4 seats
Trunk
340 L
12.0 cu ft
Length
4,491 mm
176.8 in
Height
1,303 mm
51.3 in
Range score
696 km
432 mi
711 km
442 mi
CO2 score
210 g/km
211 g/km
Trunk score
150 L
5.3 cu ft
340 L
12.0 cu ft
Power-to-weight score
265 hp/t
198 kW/t
3.8 kg/hp
250 hp/t
186 kW/t
4.0 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) GTS 2.5Porsche 911 (991) Carrera 3.4
Consumption9.2 L/100 km25.6 mpg US30.7 mpg UK9 L/100 km26.1 mpg US31.4 mpg UK
Cost / 100 km16.10 LC100 km15.75 LC100 km
Cost / 100 mi25.91 LC100 mi25.35 LC100 mi
Annual fuel used1,380 L365 US gal304 UK gal1,350 L357 US gal297 UK gal
Annual fuel cost2,415 LC/year2,363 LC/year

Head-to-head comparisons

Porsche 718 Cayman (982) GTS 2.5

  • Has 15 hp more
  • Has 30 Nm more
  • Is 25 kg lighter
  • Has 11 km/h (7 mph) higher top speed
  • Has 15 hp/t better power-to-weight
  • Emits 1 g/km less CO2

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Lightest
  • Best power-to-weight ratio

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Smallest trunk

Porsche 911 (991) Carrera 3.4

  • Is 0.1 s quicker from 0-100 km/h
  • Uses 0.2 L/100 km less fuel
  • Has 15 km (10 mi) more estimated range
  • Has 190 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Lowest power
  • Heaviest
  • Lowest top speed
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 718 Cayman (982) GTS 2.5
Porsche 911 (991) Carrera 3.4
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Porsche 718 Cayman (982) GTS 2.5 vs Porsche 911 (991) Carrera 3.4 - car comparison - FastVsFaster