Car comparison

Porsche 718 Cayman (982) GTS 4.0vsPorsche 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 4.0

400 hp3995 ccGasolineRWDManualNaturally aspiratedCoupe2020-present
VS

Porsche 911 (991 II)

Carrera T 3.0

370 hp2981 ccGasolineRWDDual-clutchTwin-turboCoupe2017-2018

Comparison overview

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

Best choices

Porsche 911 (991 II) Carrera T 3.0

  • Quickest 0-100 km/h
    4.2 s
  • Highest torque
    450 Nm
    332 lb-ft
  • Lowest combined fuel consumption
    8.5 L/100 km
    27.7 mpg US
    33.2 mpg UK
  • Lowest city consumption
    11.5 L/100 km
    20.5 mpg US
    24.6 mpg UK
  • Lowest highway consumption
    6.8 L/100 km
    34.6 mpg US
    41.5 mpg UK
  • Best estimated range
    753 km
    468 mi
  • Best economy score
    84/100
  • Best practicality score
    41/100

Porsche 718 Cayman (982) GTS 4.0

  • Fastest top speed
    293 km/h
    182 mph
  • Most powerful
    400 hp
    298 kW
  • Lightest
    1,405 kg
    3,097 lb
  • Best power-to-weight
    285 hp/t
    212 kW/t
    3.5 kg/hp
  • Largest trunk
    270 L
  • Best overall score
    65/100
  • Best performance score
    78/100

Specification comparison

Specification comparison
ModelPorsche718 Cayman (982)GTS 4.0Porsche911 (991 II)Carrera T 3.0
Power
400hp298kW
370hp276kW
Torque
420Nm310lb-ft
450Nm332lb-ft
Curb weight
1,405kg3,097lb
1,445kg3,186lb
Gross weight
1,700kg3,748lb
1,890kg4,167lb
Top speed
293 km/h
182 mph
291 km/h
181 mph
To 99% top speed
67.7s99% target: 290 km/h / 180 mph
Calculated
58.9s99% target: 288 km/h / 179 mph
Calculated
0-100 km/h
4.5s
4.2s
0-200 km/h
14.1s
12.9s
Calculated
0-60 mph
4.3s
Calculated
4.0s
Calculated
Fuel consumption
10.8L/100 km21.8mpg US26.2mpg UK
8.5L/100 km27.7mpg US33.2mpg UK
Fuel consumption city
14.7L/100 km16mpg US19.2mpg UK
11.5L/100 km20.5mpg US24.6mpg UK
Fuel consumption highway
8.5L/100 km27.7mpg US33.2mpg UK
6.8L/100 km34.6mpg US41.5mpg UK
Quarter mile
12.5s
Calculated
12.1s
Calculated
Power-to-weight
285hp/t212kW/t129hp/1000 lb
Calculated
256hp/t191kW/t116hp/1000 lb
Calculated
Torque-to-weight
299Nm/t200lb-ft/ton
Calculated
311Nm/t208lb-ft/ton
Calculated
Estimated range
593km368mi
Calculated
753km468mi
Calculated
Displacement
3,995cc244cu in
2,981cc182cu in
Length
4,405mm173in
4,527mm178in
Width
1,801mm71in
1,808mm71in
Height
1,276mm50in
1,285mm51in
Wheelbase
2,475mm97in
2,450mm96in
Front track
1,527mm60in
-
Rear track
1,535mm60in
-
Trunk volume
270L
145L
Doors
2
2
Seats
2
4
Fuel tank
64L
64L
CO2 emissions-
193g/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 4.0Porsche 911 (991 II) Carrera T 3.0PowerTorque
  • Porsche 718 Cayman (982) GTS 4.0: 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 4.07,000 rpm5,000-6,500 rpm7,800 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 4.0Porsche911 (991 II)Carrera T 3.0
Acceleration checkpoints
0-60 mph
0-97 km/h
4.3 s
4.0 s
0-100 km/h
0-62 mph
4.5 s
4.2 s
0-200 km/h
0-124 mph
14.1 s
12.9 s
Top speed
293 km/h
182 mph
291 km/h
181 mph
Drag race simulation
60 ft
18 m
2.1 s
2.1 s
330 ft
101 m
5.5 s
5.4 s
1/8 mile
201 m
8.2 s
8.0 s
1000 ft
305 m
10.5 s
10.2 s
1/4 mile
402 m
12.5 s
12.1 s
Trap speed
1/4 mile
402 m
188 km/h
117 mph
194 km/h
121 mph

Power comparison

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

Chart data table
VehicleValue
Porsche718 Cayman (982)GTS 4.0
400 hp
298 kW
Porsche911 (991 II)Carrera T 3.0
370 hp
276 kW

Porsche 718 Cayman (982) GTS 4.0 has 30 hp more than Porsche 911 (991 II) Carrera T 3.0.

The biggest power difference is between Porsche 911 (991 II) Carrera T 3.0 and Porsche 718 Cayman (982) GTS 4.0: 30 hp (22 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche718 Cayman (982)GTS 4.0
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 4.0
1,405 kg
3,097 lb
Porsche911 (991 II)Carrera T 3.0
1,445 kg
3,186 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 4.0
293 km/h
182 mph
Porsche911 (991 II)Carrera T 3.0
291 km/h
181 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 4.04.5 s
Porsche911 (991 II)Carrera T 3.04.2 s

Although Porsche 718 Cayman (982) GTS 4.0 has more power, Porsche 911 (991 II) Carrera T 3.0 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Porsche 911 (991 II) Carrera T 3.0 and Porsche 718 Cayman (982) GTS 4.0: 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)GTS 4.0
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
Porsche911 (991 II)Carrera T 3.0
8.5 L/100 km
27.7 mpg US
33.2 mpg UK

The biggest fuel consumption difference is between Porsche 911 (991 II) Carrera T 3.0 and Porsche 718 Cayman (982) GTS 4.0: 2.3 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 4.0
285 hp/t
212 kW/t
3.5 kg/hp
Porsche911 (991 II)Carrera T 3.0
256 hp/t
191 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 4.0
593 km
368 mi
Porsche911 (991 II)Carrera T 3.0
753 km
468 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche718 Cayman (982)GTS 4.0
400 hp
298 kW
4.5 s
293 km/h
182 mph
Porsche911 (991 II)Carrera T 3.0
370 hp
276 kW
4.2 s
291 km/h
181 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 4.0
Power
400 hp
298 kW
0-100 km/h4.5 s
Top speed
293 km/h
182 mph
Doors/seats
2 doors
2 seats
Trunk
270 L
9.5 cu ft
Length
4,405 mm
173.4 in
Height
1,276 mm
50.2 in
Porsche911 (991 II)Carrera T 3.0
Power
370 hp
276 kW
0-100 km/h4.2 s
Top speed
291 km/h
181 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 4.0
Power
400 hp
298 kW
0-100 km/h4.5 s
Top speed
293 km/h
182 mph
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
Porsche911 (991 II)Carrera T 3.0
Power
370 hp
276 kW
0-100 km/h4.2 s
Top speed
291 km/h
181 mph
8.5 L/100 km
27.7 mpg US
33.2 mpg UK

Porsche 911 (991 II) Carrera T 3.0 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 4.0
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
4.5 s
Porsche911 (991 II)Carrera T 3.0
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
4.2 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 4.0
285 hp/t
212 kW/t
3.5 kg/hp
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
Porsche911 (991 II)Carrera T 3.0
256 hp/t
191 kW/t
3.9 kg/hp
8.5 L/100 km
27.7 mpg US
33.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche718 Cayman (982)GTS 4.0Porsche911 (991 II)Carrera T 3.0
Power
400 hp
298 kW
370 hp
276 kW
Torque
420 Nm
310 lb-ft
450 Nm
332 lb-ft
Acceleration
4.5 s
4.2 s
Top speed
293 km/h
182 mph
291 km/h
181 mph
Lightness
1,405 kg
3,097 lb
1,445 kg
3,186 lb
Fuel consumption
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
270 L
9.5 cu ft
Length
4,405 mm
173.4 in
Height
1,276 mm
50.2 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
593 km
368 mi
753 km
468 mi
CO2 score
-
193 g/km
Trunk score
270 L
9.5 cu ft
145 L
5.1 cu ft
Power-to-weight score
285 hp/t
212 kW/t
3.5 kg/hp
256 hp/t
191 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 4.0Porsche 911 (991 II) Carrera T 3.0
Consumption10.8 L/100 km21.8 mpg US26.2 mpg UK8.5 L/100 km27.7 mpg US33.2 mpg UK
Cost / 100 km18.90 LC100 km14.88 LC100 km
Cost / 100 mi30.42 LC100 mi23.94 LC100 mi
Annual fuel used1,620 L428 US gal356 UK gal1,275 L337 US gal280 UK gal
Annual fuel cost2,835 LC/year2,231 LC/year

Head-to-head comparisons

Porsche 718 Cayman (982) GTS 4.0

  • Has 30 hp more
  • Is 40 kg lighter
  • Has 2 km/h (1 mph) higher top speed
  • Has 29 hp/t better power-to-weight
  • Has 125 L more trunk volume

Pros

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

Cons

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

Porsche 911 (991 II) Carrera T 3.0

  • Has 30 Nm more
  • Is 0.3 s quicker from 0-100 km/h
  • Uses 2.3 L/100 km less fuel
  • Has 160 km (100 mi) more estimated range

Pros

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

Cons

  • Lowest power
  • Heaviest
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 718 Cayman (982) GTS 4.0
Porsche 911 (991 II) Carrera T 3.0
Compare selected cars
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