Car comparison

Porsche 911 (991 II) Carrera T 3.0vsPorsche 718 Cayman (982) 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 ccGasolineRWDManualTwin-turboCoupe2017-2018
VS

Porsche 718 Cayman (982)

2.0

300 hp1988 ccGasolineRWDManualTurbochargedCoupe2018-2020

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
    4.5 s
  • Fastest top speed
    293 km/h
    182 mph
  • Most powerful
    370 hp
    276 kW
  • Highest torque
    450 Nm
    332 lb-ft
  • Best power-to-weight
    260 hp/t
    194 kW/t
    3.9 kg/hp
  • Best estimated range
    674 km
    419 mi
  • Best overall score
    65/100
  • Best performance score
    77/100
  • Best practicality score
    41/100

Porsche 718 Cayman (982) 2.0

  • Lightest
    1,335 kg
    2,943 lb
  • Lowest combined fuel consumption
    8.1 L/100 km
    29.0 mpg US
    34.9 mpg UK
  • Lowest city consumption
    11.3 L/100 km
    20.8 mpg US
    25.0 mpg UK
  • Lowest highway consumption
    6.2 L/100 km
    37.9 mpg US
    45.6 mpg UK
  • Lowest CO2 emissions
    186 g/km
  • Largest trunk
    150 L
  • Best economy score
    85/100

Specification comparison

Specification comparison
ModelPorsche911 (991 II)Carrera T 3.0Porsche718 Cayman (982)2.0
Power
370hp276kW
300hp224kW
Torque
450Nm332lb-ft
380Nm280lb-ft
Curb weight
1,425kg3,142lb
1,335kg2,943lb
Gross weight
1,875kg4,134lb
1,655kg3,649lb
Top speed
293 km/h
182 mph
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Calculated
To 99% top speed
63.3s99% target: 290 km/h / 180 mph
Calculated
73.9s99% target: 282 km/h / 175 mph
Calculated
0-100 km/h
4.5s
5.3s
0-200 km/h
13.7s
Calculated
16.7s
Calculated
0-60 mph
4.3s
Calculated
5.1s
Calculated
Fuel consumption
9.5L/100 km24.8mpg US29.7mpg UK
8.1L/100 km29mpg US34.9mpg UK
Fuel consumption city
13.5L/100 km17.4mpg US20.9mpg UK
11.3L/100 km20.8mpg US25.0mpg UK
Fuel consumption highway
7.1L/100 km33.1mpg US39.8mpg UK
6.2L/100 km37.9mpg US45.6mpg UK
Quarter mile
12.4s
Calculated
13.3s
Calculated
Power-to-weight
260hp/t194kW/t118hp/1000 lb
Calculated
225hp/t168kW/t102hp/1000 lb
Calculated
Torque-to-weight
316Nm/t211lb-ft/ton
Calculated
285Nm/t190lb-ft/ton
Calculated
Estimated range
674km419mi
Calculated
667km414mi
Calculated
Displacement
2,981cc182cu in
1,988cc121cu in
Length
4,527mm178in
4,379mm172in
Width
1,808mm71in
1,801mm71in
Height
1,285mm51in
1,295mm51in
Wheelbase
2,450mm96in
2,475mm97in
Front track-
1,515mm60in
Rear track-
1,531mm60in
Trunk volume
145L
-
Max trunk volume-
150L
Doors
2
2
Seats
4
2
Fuel tank
64L
54L
CO2 emissions
215g/km
186g/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) 2.0PowerTorque
  • Porsche 911 (991 II) Carrera T 3.0: Power / Torque
  • Porsche 718 Cayman (982) 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)2.06,500 rpm2,150-4,500 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 (991 II)Carrera T 3.0Porsche718 Cayman (982)2.0
Acceleration checkpoints
0-60 mph
0-97 km/h
4.3 s
5.1 s
0-100 km/h
0-62 mph
4.5 s
5.3 s
0-200 km/h
0-124 mph
13.7 s
16.7 s
Top speed
293 km/h
182 mph
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Likely limited
Drag race simulation
60 ft
18 m
2.1 s
2.3 s
330 ft
101 m
5.5 s
5.9 s
1/8 mile
201 m
8.2 s
8.8 s
1000 ft
305 m
10.5 s
11.3 s
1/4 mile
402 m
12.4 s
13.3 s
Trap speed
1/4 mile
402 m
191 km/h
118 mph
179 km/h
111 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)2.0
300 hp
224 kW

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

The biggest power difference is between Porsche 718 Cayman (982) 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)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
1,425 kg
3,142 lb
Porsche718 Cayman (982)2.0
1,335 kg
2,943 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
293 km/h
182 mph
Porsche718 Cayman (982)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 3.04.5 s
Porsche718 Cayman (982)2.05.3 s

The biggest 0-100 km/h difference is between Porsche 911 (991 II) Carrera T 3.0 and Porsche 718 Cayman (982) 2.0: 0.8 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
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
Porsche718 Cayman (982)2.0
8.1 L/100 km
29.0 mpg US
34.9 mpg UK

The biggest fuel consumption difference is between Porsche 718 Cayman (982) 2.0 and Porsche 911 (991 II) Carrera T 3.0: 1.4 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
Porsche911 (991 II)Carrera T 3.0
260 hp/t
194 kW/t
3.9 kg/hp
Porsche718 Cayman (982)2.0
225 hp/t
168 kW/t
4.4 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
674 km
419 mi
Porsche718 Cayman (982)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
4.5 s
293 km/h
182 mph
Porsche718 Cayman (982)2.0
300 hp
224 kW
5.3 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/h4.5 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
Porsche718 Cayman (982)2.0
Power
300 hp
224 kW
0-100 km/h5.3 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Doors/seats
2 doors
2 seats
Trunk
150 L
5.3 cu ft
Length
4,379 mm
172.4 in
Height
1,295 mm
51.0 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/h4.5 s
Top speed
293 km/h
182 mph
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
Porsche718 Cayman (982)2.0
Power
300 hp
224 kW
0-100 km/h5.3 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
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
4.5 s
Porsche718 Cayman (982)2.0
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
5.3 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
260 hp/t
194 kW/t
3.9 kg/hp
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
Porsche718 Cayman (982)2.0
225 hp/t
168 kW/t
4.5 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)2.0
Power
370 hp
276 kW
300 hp
224 kW
Torque
450 Nm
332 lb-ft
380 Nm
280 lb-ft
Acceleration
4.5 s
5.3 s
Top speed
293 km/h
182 mph
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Lightness
1,425 kg
3,142 lb
1,335 kg
2,943 lb
Fuel consumption
9.5 L/100 km
24.8 mpg US
29.7 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
150 L
5.3 cu ft
Length
4,379 mm
172.4 in
Height
1,295 mm
51.0 in
Range score
674 km
419 mi
667 km
414 mi
CO2 score
215 g/km
186 g/km
Trunk score
145 L
5.1 cu ft
150 L
5.3 cu ft
Power-to-weight score
260 hp/t
194 kW/t
3.9 kg/hp
225 hp/t
168 kW/t
4.5 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) 2.0
Consumption9.5 L/100 km24.8 mpg US29.7 mpg UK8.1 L/100 km29 mpg US34.9 mpg UK
Cost / 100 km16.63 LC100 km14.17 LC100 km
Cost / 100 mi26.76 LC100 mi22.81 LC100 mi
Annual fuel used1,425 L376 US gal313 UK gal1,215 L321 US gal267 UK gal
Annual fuel cost2,494 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 0.8 s quicker from 0-100 km/h
  • Has 8 km/h (5 mph) higher top speed
  • Has 35 hp/t better power-to-weight
  • Has 7 km (4 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) 2.0

  • Is 90 kg lighter
  • Uses 1.4 L/100 km less fuel
  • Has 5 L more trunk volume
  • Emits 29 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) 2.0
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