Car comparison

Porsche 718 Cayman (982) GTS 2.5vsPorsche 911 (991 II) Carrera T 3.0

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 ccGasolineRWDManualTurbochargedCoupe2017-2018
VS

Porsche 911 (991 II)

Carrera T 3.0

370 hp2981 ccGasolineRWDManualTwin-turboCoupe2017-2018

Comparison overview

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

Best choices

Porsche 718 Cayman (982) GTS 2.5

  • Fastest top speed
    300 km/h
    186 mph Unrestricted
    290 km/h
    180 mph Restricted
  • Lightest
    1,375 kg
    3,031 lb
  • Best power-to-weight
    265 hp/t
    198 kW/t
    3.8 kg/hp
  • Lowest combined fuel consumption
    9.0 L/100 km
    26.1 mpg US
    31.4 mpg UK
  • Lowest city consumption
    12.3 L/100 km
    19.1 mpg US
    23.0 mpg UK
  • Lowest highway consumption
    7.0 L/100 km
    33.6 mpg US
    40.4 mpg UK
  • Lowest CO2 emissions
    205 g/km
  • Best estimated range
    711 km
    442 mi
  • Largest trunk
    150 L
  • Best economy score
    83/100

Porsche 911 (991 II) Carrera T 3.0

  • Quickest 0-100 km/h
    4.5 s
  • Most powerful
    370 hp
    276 kW
  • Highest torque
    450 Nm
    332 lb-ft
  • Best overall score
    65/100
  • Best performance score
    77/100
  • Best practicality score
    41/100

Specification comparison

Specification comparison
ModelPorsche718 Cayman (982)GTS 2.5Porsche911 (991 II)Carrera T 3.0
Power
365hp272kW
370hp276kW
Torque
420Nm310lb-ft
450Nm332lb-ft
Curb weight
1,375kg3,031lb
1,425kg3,142lb
Gross weight
1,675kg3,693lb
1,875kg4,134lb
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Calculated
293 km/h
182 mph
To 99% top speed
66.7s99% target: 297 km/h / 185 mph
Calculated
63.3s99% target: 290 km/h / 180 mph
Calculated
0-100 km/h
4.6s
4.5s
0-200 km/h
13.8s
Calculated
13.7s
Calculated
0-60 mph
4.4s
Calculated
4.3s
Calculated
Fuel consumption
9L/100 km26.1mpg US31.4mpg UK
9.5L/100 km24.8mpg US29.7mpg UK
Fuel consumption city
12.3L/100 km19.1mpg US23.0mpg UK
13.5L/100 km17.4mpg US20.9mpg UK
Fuel consumption highway
7L/100 km33.6mpg US40.4mpg UK
7.1L/100 km33.1mpg US39.8mpg UK
Quarter mile
12.5s
Calculated
12.4s
Calculated
Power-to-weight
265hp/t198kW/t120hp/1000 lb
Calculated
260hp/t194kW/t118hp/1000 lb
Calculated
Torque-to-weight
305Nm/t204lb-ft/ton
Calculated
316Nm/t211lb-ft/ton
Calculated
Estimated range
711km442mi
Calculated
674km419mi
Calculated
Displacement
2,497cc152cu in
2,981cc182cu in
Length
4,393mm173in
4,527mm178in
Width
1,801mm71in
1,808mm71in
Height
1,286mm51in
1,285mm51in
Wheelbase
2,475mm97in
2,450mm96in
Trunk volume
150L
145L
Max trunk volume
425L
-
Doors
2
2
Seats
2
4
Fuel tank
64L
64L
CO2 emissions
205g/km
215g/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 II) Carrera T 3.0PowerTorque
  • Porsche 718 Cayman (982) GTS 2.5: Power / Torque
  • Porsche 911 (991 II) Carrera T 3.0: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche718 Cayman (982)GTS 2.56,500 rpm1,900-5,500 rpm6,750 rpm
Porsche911 (991 II)Carrera T 3.06,500 rpm1,700-5,000 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche718 Cayman (982)GTS 2.5Porsche911 (991 II)Carrera T 3.0
Acceleration checkpoints
0-60 mph
0-97 km/h
4.4 s
4.3 s
0-100 km/h
0-62 mph
4.6 s
4.5 s
0-200 km/h
0-124 mph
13.8 s
13.7 s
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Likely limited
293 km/h
182 mph
Drag race simulation
60 ft
18 m
2.2 s
2.1 s
330 ft
101 m
5.6 s
5.5 s
1/8 mile
201 m
8.3 s
8.2 s
1000 ft
305 m
10.6 s
10.5 s
1/4 mile
402 m
12.5 s
12.4 s
Trap speed
1/4 mile
402 m
190 km/h
118 mph
191 km/h
118 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 II)Carrera T 3.0
370 hp
276 kW

Porsche 911 (991 II) Carrera T 3.0 has 5 hp more than Porsche 718 Cayman (982) GTS 2.5.

The biggest power difference is between Porsche 718 Cayman (982) GTS 2.5 and Porsche 911 (991 II) Carrera T 3.0: 5 hp (4 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 II)Carrera T 3.0
450 Nm
332 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 II)Carrera T 3.0
1,425 kg
3,142 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 II)Carrera T 3.0
293 km/h
182 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 2.54.6 s
Porsche911 (991 II)Carrera T 3.04.5 s

The biggest 0-100 km/h difference is between Porsche 911 (991 II) Carrera T 3.0 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
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
Porsche911 (991 II)Carrera T 3.0
9.5 L/100 km
24.8 mpg US
29.7 mpg UK

The biggest fuel consumption difference is between Porsche 718 Cayman (982) GTS 2.5 and Porsche 911 (991 II) Carrera T 3.0: 0.5 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)GTS 2.5
265 hp/t
198 kW/t
3.8 kg/hp
Porsche911 (991 II)Carrera T 3.0
260 hp/t
194 kW/t
3.9 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
711 km
442 mi
Porsche911 (991 II)Carrera T 3.0
674 km
419 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
4.6 s
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
Porsche911 (991 II)Carrera T 3.0
370 hp
276 kW
4.5 s
293 km/h
182 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/h4.6 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 II)Carrera T 3.0
Power
370 hp
276 kW
0-100 km/h4.5 s
Top speed
293 km/h
182 mph
Doors/seats
2 doors
4 seats
Trunk
145 L
5.1 cu ft
Length
4,527 mm
178.2 in
Height
1,285 mm
50.6 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/h4.6 s
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
Porsche911 (991 II)Carrera T 3.0
Power
370 hp
276 kW
0-100 km/h4.5 s
Top speed
293 km/h
182 mph
9.5 L/100 km
24.8 mpg US
29.7 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
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
4.6 s
Porsche911 (991 II)Carrera T 3.0
9.5 L/100 km
24.8 mpg US
29.7 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)GTS 2.5
265 hp/t
198 kW/t
3.8 kg/hp
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
Porsche911 (991 II)Carrera T 3.0
260 hp/t
194 kW/t
3.9 kg/hp
9.5 L/100 km
24.8 mpg US
29.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche718 Cayman (982)GTS 2.5Porsche911 (991 II)Carrera T 3.0
Power
365 hp
272 kW
370 hp
276 kW
Torque
420 Nm
310 lb-ft
450 Nm
332 lb-ft
Acceleration
4.6 s
4.5 s
Top speed
Unrestricted
300 km/h186 mph
Restricted
290 km/h180 mph
293 km/h
182 mph
Lightness
1,375 kg
3,031 lb
1,425 kg
3,142 lb
Fuel consumption
9.0 L/100 km
26.1 mpg US
31.4 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
4,393 mm
173.0 in
Height
1,286 mm
50.6 in
Doors/seats
2 doors
4 seats
Trunk
145 L
5.1 cu ft
Length
4,527 mm
178.2 in
Height
1,285 mm
50.6 in
Range score
711 km
442 mi
674 km
419 mi
CO2 score
205 g/km
215 g/km
Trunk score
150 L
5.3 cu ft
145 L
5.1 cu ft
Power-to-weight score
265 hp/t
198 kW/t
3.8 kg/hp
260 hp/t
194 kW/t
3.9 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 II) Carrera T 3.0
Consumption9 L/100 km26.1 mpg US31.4 mpg UK9.5 L/100 km24.8 mpg US29.7 mpg UK
Cost / 100 km15.75 LC100 km16.63 LC100 km
Cost / 100 mi25.35 LC100 mi26.76 LC100 mi
Annual fuel used1,350 L357 US gal297 UK gal1,425 L376 US gal313 UK gal
Annual fuel cost2,363 LC/year2,494 LC/year

Head-to-head comparisons

Porsche 718 Cayman (982) GTS 2.5

  • Is 50 kg lighter
  • Has 7 km/h (4 mph) higher top speed
  • Uses 0.5 L/100 km less fuel
  • Has 6 hp/t better power-to-weight
  • Has 37 km (23 mi) more estimated range
  • Has 5 L more trunk volume
  • Emits 10 g/km less CO2

Pros

  • Highest top speed
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power

Porsche 911 (991 II) Carrera T 3.0

  • Has 5 hp more
  • Has 30 Nm more
  • Is 0.1 s quicker from 0-100 km/h

Pros

  • Quickest 0-100 km/h in this comparison
  • Most powerful
  • Highest torque

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed
  • Smallest trunk
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 718 Cayman (982) GTS 2.5
Porsche 911 (991 II) Carrera T 3.0
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