Car comparison

Porsche 911 (991) Carrera 4 3.4vsPorsche 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)

Carrera 4 3.4

350 hp3436 ccGasolineAWDManualNaturally aspiratedCoupe2012-2015
VS

Porsche 718 Cayman (982)

T 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) Carrera 4 3.4

  • Quickest 0-100 km/h
    4.9 s
  • Fastest top speed
    285 km/h
    177 mph
  • Most powerful
    350 hp
    261 kW
  • Highest torque
    390 Nm
    288 lb-ft
  • Best power-to-weight
    241 hp/t
    180 kW/t
    4.1 kg/hp
  • Best estimated range
    731 km
    454 mi
  • Largest trunk
    385 L
  • Best overall score
    66/100
  • Best performance score
    73/100
  • Best practicality score
    50/100

Porsche 718 Cayman (982) T 2.0

  • Lightest
    1,350 kg
    2,976 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
    6.3 L/100 km
    37.3 mpg US
    44.8 mpg UK
  • Lowest CO2 emissions
    186 g/km
  • Best economy score
    85/100

Specification comparison

Specification comparison
ModelPorsche911 (991)Carrera 4 3.4Porsche718 Cayman (982)T 2.0
Power
350hp261kW
300hp224kW
Torque
390Nm288lb-ft
380Nm280lb-ft
Curb weight
1,450kg3,197lb
1,350kg2,976lb
Gross weight
1,845kg4,068lb
1,655kg3,649lb
Top speed
285 km/h
177 mph
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Calculated
To 99% top speed
68.4s99% target: 282 km/h / 175 mph
Calculated
71.1s99% target: 282 km/h / 175 mph
Calculated
0-100 km/h
4.9s
5.1s
0-200 km/h
15.4s
Calculated
16.1s
Calculated
0-60 mph
4.7s
Calculated
4.9s
Calculated
Fuel consumption
9.3L/100 km25.3mpg US30.4mpg UK
8.1L/100 km29mpg US34.9mpg UK
Fuel consumption city
12.9L/100 km18.2mpg US21.9mpg UK
11.3L/100 km20.8mpg US25.0mpg UK
Fuel consumption highway
7.4L/100 km31.8mpg US38.2mpg UK
6.3L/100 km37.3mpg US44.8mpg UK
Quarter mile
12.9s
Calculated
13.1s
Calculated
Power-to-weight
241hp/t180kW/t109hp/1000 lb
Calculated
222hp/t166kW/t101hp/1000 lb
Calculated
Torque-to-weight
269Nm/t180lb-ft/ton
Calculated
281Nm/t188lb-ft/ton
Calculated
Estimated range
731km454mi
Calculated
667km414mi
Calculated
Displacement
3,436cc210cu in
1,988cc121cu in
Length
4,491mm177in
4,379mm172in
Width
1,852mm73in
1,801mm71in
Height
1,304mm51in
1,276mm50in
Wheelbase
2,450mm96in
2,475mm97in
Front track
1,532mm60in
1,528mm60in
Rear track
1,560mm61in
1,534mm60in
Trunk volume
385L
150L
Max trunk volume-
275L
Doors
2
2
Seats
4
2
Fuel tank
68L
54L
CO2 emissions
218g/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) Carrera 4 3.4Porsche 718 Cayman (982) T 2.0PowerTorque
  • Porsche 911 (991) Carrera 4 3.4: Power / Torque
  • Porsche 718 Cayman (982) T 2.0: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 (991)Carrera 4 3.47,400 rpm5,600 rpm7,650 rpm
Porsche718 Cayman (982)T 2.07,500 rpm2,150-4,500 rpm7,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 (991)Carrera 4 3.4Porsche718 Cayman (982)T 2.0
Acceleration checkpoints
0-60 mph
0-97 km/h
4.7 s
4.9 s
0-100 km/h
0-62 mph
4.9 s
5.1 s
0-200 km/h
0-124 mph
15.4 s
16.1 s
Top speed
285 km/h
177 mph
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Likely limited
Drag race simulation
60 ft
18 m
2.2 s
2.3 s
330 ft
101 m
5.7 s
5.8 s
1/8 mile
201 m
8.5 s
8.7 s
1000 ft
305 m
10.9 s
11.1 s
1/4 mile
402 m
12.9 s
13.1 s
Trap speed
1/4 mile
402 m
183 km/h
114 mph
181 km/h
113 mph

Power comparison

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

Chart data table
VehicleValue
Porsche911 (991)Carrera 4 3.4
350 hp
261 kW
Porsche718 Cayman (982)T 2.0
300 hp
224 kW

Porsche 911 (991) Carrera 4 3.4 has 50 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) Carrera 4 3.4: 50 hp (37 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche911 (991)Carrera 4 3.4
390 Nm
288 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)Carrera 4 3.4
1,450 kg
3,197 lb
Porsche718 Cayman (982)T 2.0
1,350 kg
2,976 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)Carrera 4 3.4
285 km/h
177 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)Carrera 4 3.44.9 s
Porsche718 Cayman (982)T 2.05.1 s

The biggest 0-100 km/h difference is between Porsche 911 (991) Carrera 4 3.4 and Porsche 718 Cayman (982) T 2.0: 0.2 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)Carrera 4 3.4
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
Porsche718 Cayman (982)T 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) T 2.0 and Porsche 911 (991) Carrera 4 3.4: 1.2 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)Carrera 4 3.4
241 hp/t
180 kW/t
4.1 kg/hp
Porsche718 Cayman (982)T 2.0
222 hp/t
166 kW/t
4.5 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche911 (991)Carrera 4 3.4
731 km
454 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)Carrera 4 3.4
350 hp
261 kW
4.9 s
285 km/h
177 mph
Porsche718 Cayman (982)T 2.0
300 hp
224 kW
5.1 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)Carrera 4 3.4
Power
350 hp
261 kW
0-100 km/h4.9 s
Top speed
285 km/h
177 mph
Doors/seats
2 doors
4 seats
Trunk
385 L
13.6 cu ft
Length
4,491 mm
176.8 in
Height
1,304 mm
51.3 in
Porsche718 Cayman (982)T 2.0
Power
300 hp
224 kW
0-100 km/h5.1 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
1,276 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)Carrera 4 3.4
Power
350 hp
261 kW
0-100 km/h4.9 s
Top speed
285 km/h
177 mph
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
Porsche718 Cayman (982)T 2.0
Power
300 hp
224 kW
0-100 km/h5.1 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) Carrera 4 3.4 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)Carrera 4 3.4
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
4.9 s
Porsche718 Cayman (982)T 2.0
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
5.1 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)Carrera 4 3.4
241 hp/t
180 kW/t
4.1 kg/hp
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
Porsche718 Cayman (982)T 2.0
222 hp/t
166 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)Carrera 4 3.4Porsche718 Cayman (982)T 2.0
Power
350 hp
261 kW
300 hp
224 kW
Torque
390 Nm
288 lb-ft
380 Nm
280 lb-ft
Acceleration
4.9 s
5.1 s
Top speed
285 km/h
177 mph
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Lightness
1,450 kg
3,197 lb
1,350 kg
2,976 lb
Fuel consumption
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
8.1 L/100 km
29.0 mpg US
34.9 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
385 L
13.6 cu ft
Length
4,491 mm
176.8 in
Height
1,304 mm
51.3 in
Doors/seats
2 doors
2 seats
Trunk
150 L
5.3 cu ft
Length
4,379 mm
172.4 in
Height
1,276 mm
50.2 in
Range score
731 km
454 mi
667 km
414 mi
CO2 score
218 g/km
186 g/km
Trunk score
385 L
13.6 cu ft
150 L
5.3 cu ft
Power-to-weight score
241 hp/t
180 kW/t
4.1 kg/hp
222 hp/t
166 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) Carrera 4 3.4Porsche 718 Cayman (982) T 2.0
Consumption9.3 L/100 km25.3 mpg US30.4 mpg UK8.1 L/100 km29 mpg US34.9 mpg UK
Cost / 100 km16.28 LC100 km14.17 LC100 km
Cost / 100 mi26.19 LC100 mi22.81 LC100 mi
Annual fuel used1,395 L369 US gal307 UK gal1,215 L321 US gal267 UK gal
Annual fuel cost2,441 LC/year2,126 LC/year

Head-to-head comparisons

Porsche 911 (991) Carrera 4 3.4

  • Has 50 hp more
  • Has 10 Nm more
  • Is 0.2 s quicker from 0-100 km/h
  • Has 19 hp/t better power-to-weight
  • Has 65 km (40 mi) more estimated range
  • Has 235 L more trunk volume

Pros

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

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Highest CO2 emissions

Porsche 718 Cayman (982) T 2.0

  • Is 100 kg lighter
  • Uses 1.2 L/100 km less fuel
  • Emits 32 g/km less CO2

Pros

  • Lightest
  • Lowest combined fuel consumption

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Smallest trunk

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Model
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Engine or modification
Porsche 911 (991) Carrera 4 3.4
Porsche 718 Cayman (982) T 2.0
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