Car comparison

Porsche 911 (991 II) Carrera T 3.0vsPorsche 718 Cayman (982) T 2.0

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

New comparison

Porsche 911 (991 II)

Carrera T 3.0

370 hp2981 ccGasolineRWDDual-clutchTwin-turboCoupe2017-2018
VS

Porsche 718 Cayman (982)

T 2.0

300 hp1988 ccGasolineRWDDual-clutchTurbochargedCoupe2020-present

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
  • Fastest top speed
    291 km/h
    181 mph
  • Most powerful
    370 hp
    276 kW
  • Highest torque
    450 Nm
    332 lb-ft
  • Best power-to-weight
    256 hp/t
    191 kW/t
    3.9 kg/hp
  • Best estimated range
    753 km
    468 mi
  • Best overall score
    65/100
  • Best performance score
    77/100
  • Best practicality score
    41/100

Porsche 718 Cayman (982) T 2.0

  • Lightest
    1,380 kg
    3,042 lb
  • Lowest combined fuel consumption
    8.1 L/100 km
    29.0 mpg US
    34.9 mpg UK
  • Lowest city consumption
    10.8 L/100 km
    21.8 mpg US
    26.2 mpg UK
  • Lowest highway consumption
    6.5 L/100 km
    36.2 mpg US
    43.5 mpg UK
  • Lowest CO2 emissions
    185 g/km
  • Largest trunk
    275 L
  • Best economy score
    85/100

Specification comparison

Specification comparison
ModelPorsche911 (991 II)Carrera T 3.0Porsche718 Cayman (982)T 2.0
Power
370hp276kW
300hp224kW
Torque
450Nm332lb-ft
380Nm280lb-ft
Curb weight
1,445kg3,186lb
1,380kg3,042lb
Gross weight
1,890kg4,167lb
1,685kg3,715lb
Top speed
291 km/h
181 mph
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Calculated
To 99% top speed
58.9s99% target: 288 km/h / 179 mph
Calculated
98.7s99% target: 282 km/h / 175 mph
Calculated
0-100 km/h
4.2s
4.9s
0-200 km/h
12.9s
Calculated
18.1s
0-60 mph
4.0s
Calculated
4.6s
Calculated
Fuel consumption
8.5L/100 km27.7mpg US33.2mpg UK
8.1L/100 km29mpg US34.9mpg UK
Fuel consumption city
11.5L/100 km20.5mpg US24.6mpg UK
10.8L/100 km21.8mpg US26.2mpg UK
Fuel consumption highway
6.8L/100 km34.6mpg US41.5mpg UK
6.5L/100 km36.2mpg US43.5mpg UK
Quarter mile
12.1s
Calculated
13.1s
Calculated
Power-to-weight
256hp/t191kW/t116hp/1000 lb
Calculated
217hp/t162kW/t99hp/1000 lb
Calculated
Torque-to-weight
311Nm/t208lb-ft/ton
Calculated
275Nm/t184lb-ft/ton
Calculated
Estimated range
753km468mi
Calculated
667km414mi
Calculated
Displacement
2,981cc182cu in
1,988cc121cu in
Length
4,527mm178in
4,379mm172in
Width
1,808mm71in
1,801mm71in
Height
1,285mm51in
1,276mm50in
Wheelbase
2,450mm96in
2,475mm97in
Front track-
1,528mm60in
Rear track-
1,534mm60in
Trunk volume
145L
275L
Doors
2
2
Seats
4
2
Fuel tank
64L
54L
CO2 emissions
193g/km
185g/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 911 (991 II) Carrera T 3.0Porsche 718 Cayman (982) T 2.0PowerTorque
  • Porsche 911 (991 II) Carrera T 3.0: Power / Torque
  • Porsche 718 Cayman (982) T 2.0: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 (991 II)Carrera T 3.06,500 rpm1,700-5,000 rpm6,750 rpm
Porsche718 Cayman (982)T 2.06,500 rpm2,150-4,500 rpm7,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 (991 II)Carrera T 3.0Porsche718 Cayman (982)T 2.0
Acceleration checkpoints
0-60 mph
0-97 km/h
4.0 s
4.6 s
0-100 km/h
0-62 mph
4.2 s
4.9 s
0-200 km/h
0-124 mph
12.9 s
18.1 s
Top speed
291 km/h
181 mph
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Likely limited
Drag race simulation
60 ft
18 m
2.1 s
2.0 s
330 ft
101 m
5.4 s
5.6 s
1/8 mile
201 m
8.0 s
8.5 s
1000 ft
305 m
10.2 s
11.0 s
1/4 mile
402 m
12.1 s
13.1 s
Trap speed
1/4 mile
402 m
194 km/h
121 mph
173 km/h
108 mph

Power comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)Carrera T 3.0
370 hp
276 kW
Porsche718 Cayman (982)T 2.0
300 hp
224 kW

Porsche 911 (991 II) Carrera T 3.0 has 70 hp more than Porsche 718 Cayman (982) T 2.0.

The biggest power difference is between Porsche 718 Cayman (982) T 2.0 and Porsche 911 (991 II) Carrera T 3.0: 70 hp (52 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)Carrera T 3.0
450 Nm
332 lb-ft
Porsche718 Cayman (982)T 2.0
380 Nm
280 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
Porsche911 (991 II)Carrera T 3.0
1,445 kg
3,186 lb
Porsche718 Cayman (982)T 2.0
1,380 kg
3,042 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
Porsche911 (991 II)Carrera T 3.0
291 km/h
181 mph
Porsche718 Cayman (982)T 2.0
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
Porsche911 (991 II)Carrera T 3.04.2 s
Porsche718 Cayman (982)T 2.04.9 s

The biggest 0-100 km/h difference is between Porsche 911 (991 II) Carrera T 3.0 and Porsche 718 Cayman (982) T 2.0: 0.7 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
Porsche911 (991 II)Carrera T 3.0
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
Porsche718 Cayman (982)T 2.0
8.1 L/100 km
29.0 mpg US
34.9 mpg UK

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
Porsche911 (991 II)Carrera T 3.0
256 hp/t
191 kW/t
3.9 kg/hp
Porsche718 Cayman (982)T 2.0
217 hp/t
162 kW/t
4.6 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)Carrera T 3.0
753 km
468 mi
Porsche718 Cayman (982)T 2.0
667 km
414 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 (991 II)Carrera T 3.0
370 hp
276 kW
4.2 s
291 km/h
181 mph
Porsche718 Cayman (982)T 2.0
300 hp
224 kW
4.9 s
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 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
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
Porsche718 Cayman (982)T 2.0
Power
300 hp
224 kW
0-100 km/h4.9 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Doors/seats
2 doors
2 seats
Trunk
275 L
9.7 cu ft
Length
4,379 mm
172.4 in
Height
1,276 mm
50.2 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
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
Porsche718 Cayman (982)T 2.0
Power
300 hp
224 kW
0-100 km/h4.9 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
8.1 L/100 km
29.0 mpg US
34.9 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
Porsche911 (991 II)Carrera T 3.0
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
4.2 s
Porsche718 Cayman (982)T 2.0
8.1 L/100 km
29.0 mpg US
34.9 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
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
Porsche718 Cayman (982)T 2.0
217 hp/t
162 kW/t
4.6 kg/hp
8.1 L/100 km
29.0 mpg US
34.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (991 II)Carrera T 3.0Porsche718 Cayman (982)T 2.0
Power
370 hp
276 kW
300 hp
224 kW
Torque
450 Nm
332 lb-ft
380 Nm
280 lb-ft
Acceleration
4.2 s
4.9 s
Top speed
291 km/h
181 mph
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Lightness
1,445 kg
3,186 lb
1,380 kg
3,042 lb
Fuel consumption
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
Practicality
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
Doors/seats
2 doors
2 seats
Trunk
275 L
9.7 cu ft
Length
4,379 mm
172.4 in
Height
1,276 mm
50.2 in
Range score
753 km
468 mi
667 km
414 mi
CO2 score
193 g/km
185 g/km
Trunk score
145 L
5.1 cu ft
275 L
9.7 cu ft
Power-to-weight score
256 hp/t
191 kW/t
3.9 kg/hp
217 hp/t
162 kW/t
4.6 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 911 (991 II) Carrera T 3.0Porsche 718 Cayman (982) T 2.0
Consumption8.5 L/100 km27.7 mpg US33.2 mpg UK8.1 L/100 km29 mpg US34.9 mpg UK
Cost / 100 km14.88 LC100 km14.17 LC100 km
Cost / 100 mi23.94 LC100 mi22.81 LC100 mi
Annual fuel used1,275 L337 US gal280 UK gal1,215 L321 US gal267 UK gal
Annual fuel cost2,231 LC/year2,126 LC/year

Head-to-head comparisons

Porsche 911 (991 II) Carrera T 3.0

  • Has 70 hp more
  • Has 70 Nm more
  • Is 0.7 s quicker from 0-100 km/h
  • Has 6 km/h (4 mph) higher top speed
  • Has 39 hp/t better power-to-weight
  • Has 86 km (54 mi) more estimated range

Pros

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

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk
  • Highest CO2 emissions

Porsche 718 Cayman (982) T 2.0

  • Is 65 kg lighter
  • Uses 0.4 L/100 km less fuel
  • Has 130 L more trunk volume
  • Emits 8 g/km less CO2

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 911 (991 II) Carrera T 3.0
Porsche 718 Cayman (982) T 2.0
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