Car comparison

Porsche 911 (991) Carrera 4 3.4vsPorsche Cayman (981C) GTS 3.4

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 Cayman (981C)

GTS 3.4

340 hp3436 ccGasolineRWDManualNaturally aspiratedCoupe2014-2016

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 estimated range
    731 km
    454 mi
  • Best overall score
    66/100
  • Best performance score
    73/100
  • Best practicality score
    50/100

Porsche Cayman (981C) GTS 3.4

  • Lightest
    1,345 kg
    2,965 lb
  • Best power-to-weight
    253 hp/t
    189 kW/t
    4.0 kg/hp
  • Lowest combined fuel consumption
    9.0 L/100 km
    26.1 mpg US
    31.4 mpg UK
  • Lowest city consumption
    12.7 L/100 km
    18.5 mpg US
    22.2 mpg UK
  • Lowest highway consumption
    7.1 L/100 km
    33.1 mpg US
    39.8 mpg UK
  • Lowest CO2 emissions
    211 g/km
  • Largest trunk
    425 L
  • Best economy score
    83/100

Specification comparison

Specification comparison
ModelPorsche911 (991)Carrera 4 3.4PorscheCayman (981C)GTS 3.4
Power
350hp261kW
340hp254kW
Torque
390Nm288lb-ft
380Nm280lb-ft
Curb weight
1,450kg3,197lb
1,345kg2,965lb
Gross weight
1,845kg4,068lb
1,665kg3,671lb
Top speed
285 km/h
177 mph
285 km/h
177 mph
To 99% top speed
68.4s99% target: 282 km/h / 175 mph
Calculated
66.4s99% target: 282 km/h / 175 mph
Calculated
0-100 km/h
4.9s
4.9s
0-200 km/h
15.4s
Calculated
15.2s
Calculated
0-60 mph
4.7s
Calculated
4.7s
Calculated
Fuel consumption
9.3L/100 km25.3mpg US30.4mpg UK
9L/100 km26.1mpg US31.4mpg UK
Fuel consumption city
12.9L/100 km18.2mpg US21.9mpg UK
12.7L/100 km18.5mpg US22.2mpg UK
Fuel consumption highway
7.4L/100 km31.8mpg US38.2mpg UK
7.1L/100 km33.1mpg US39.8mpg UK
Quarter mile
12.9s
Calculated
12.9s
Calculated
Power-to-weight
241hp/t180kW/t109hp/1000 lb
Calculated
253hp/t189kW/t115hp/1000 lb
Calculated
Torque-to-weight
269Nm/t180lb-ft/ton
Calculated
283Nm/t189lb-ft/ton
Calculated
Estimated range
731km454mi
Calculated
711km442mi
Calculated
Displacement
3,436cc210cu in
3,436cc210cu in
Length
4,491mm177in
4,404mm173in
Width
1,852mm73in
1,801mm71in
Height
1,304mm51in
1,284mm51in
Wheelbase
2,450mm96in
2,475mm97in
Front track
1,532mm60in
-
Rear track
1,560mm61in
-
Trunk volume
385L
425L
Doors
2
2
Seats
4
2
Fuel tank
68L
64L
CO2 emissions
218g/km
211g/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 Cayman (981C) GTS 3.4PowerTorque
  • Porsche 911 (991) Carrera 4 3.4: Power / Torque
  • Porsche Cayman (981C) GTS 3.4: 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
PorscheCayman (981C)GTS 3.47,400 rpm4,750-5,800 rpm7,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 (991)Carrera 4 3.4PorscheCayman (981C)GTS 3.4
Acceleration checkpoints
0-60 mph
0-97 km/h
4.7 s
4.7 s
0-100 km/h
0-62 mph
4.9 s
4.9 s
0-200 km/h
0-124 mph
15.4 s
15.2 s
Top speed
285 km/h
177 mph
285 km/h
177 mph
Drag race simulation
60 ft
18 m
2.2 s
2.2 s
330 ft
101 m
5.7 s
5.7 s
1/8 mile
201 m
8.5 s
8.5 s
1000 ft
305 m
10.9 s
10.9 s
1/4 mile
402 m
12.9 s
12.9 s
Trap speed
1/4 mile
402 m
183 km/h
114 mph
184 km/h
114 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
PorscheCayman (981C)GTS 3.4
340 hp
254 kW

Porsche 911 (991) Carrera 4 3.4 has 10 hp more than Porsche Cayman (981C) GTS 3.4.

The biggest power difference is between Porsche Cayman (981C) GTS 3.4 and Porsche 911 (991) Carrera 4 3.4: 10 hp (7 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
PorscheCayman (981C)GTS 3.4
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
PorscheCayman (981C)GTS 3.4
1,345 kg
2,965 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
PorscheCayman (981C)GTS 3.4
285 km/h
177 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
PorscheCayman (981C)GTS 3.44.9 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
PorscheCayman (981C)GTS 3.4
9.0 L/100 km
26.1 mpg US
31.4 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)Carrera 4 3.4
241 hp/t
180 kW/t
4.1 kg/hp
PorscheCayman (981C)GTS 3.4
253 hp/t
189 kW/t
4.0 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
PorscheCayman (981C)GTS 3.4
711 km
442 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
PorscheCayman (981C)GTS 3.4
340 hp
254 kW
4.9 s
285 km/h
177 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
PorscheCayman (981C)GTS 3.4
Power
340 hp
254 kW
0-100 km/h4.9 s
Top speed
285 km/h
177 mph
Doors/seats
2 doors
2 seats
Trunk
425 L
15.0 cu ft
Length
4,404 mm
173.4 in
Height
1,284 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
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
PorscheCayman (981C)GTS 3.4
Power
340 hp
254 kW
0-100 km/h4.9 s
Top speed
285 km/h
177 mph
9.0 L/100 km
26.1 mpg US
31.4 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
PorscheCayman (981C)GTS 3.4
9.0 L/100 km
26.1 mpg US
31.4 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)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
PorscheCayman (981C)GTS 3.4
253 hp/t
189 kW/t
4.0 kg/hp
9.0 L/100 km
26.1 mpg US
31.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (991)Carrera 4 3.4PorscheCayman (981C)GTS 3.4
Power
350 hp
261 kW
340 hp
254 kW
Torque
390 Nm
288 lb-ft
380 Nm
280 lb-ft
Acceleration
4.9 s
4.9 s
Top speed
285 km/h
177 mph
285 km/h
177 mph
Lightness
1,450 kg
3,197 lb
1,345 kg
2,965 lb
Fuel consumption
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
9.0 L/100 km
26.1 mpg US
31.4 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
425 L
15.0 cu ft
Length
4,404 mm
173.4 in
Height
1,284 mm
50.6 in
Range score
731 km
454 mi
711 km
442 mi
CO2 score
218 g/km
211 g/km
Trunk score
385 L
13.6 cu ft
425 L
15.0 cu ft
Power-to-weight score
241 hp/t
180 kW/t
4.1 kg/hp
253 hp/t
189 kW/t
4.0 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 Cayman (981C) GTS 3.4
Consumption9.3 L/100 km25.3 mpg US30.4 mpg UK9 L/100 km26.1 mpg US31.4 mpg UK
Cost / 100 km16.28 LC100 km15.75 LC100 km
Cost / 100 mi26.19 LC100 mi25.35 LC100 mi
Annual fuel used1,395 L369 US gal307 UK gal1,350 L357 US gal297 UK gal
Annual fuel cost2,441 LC/year2,363 LC/year

Head-to-head comparisons

Porsche 911 (991) Carrera 4 3.4

  • Has 10 hp more
  • Has 10 Nm more
  • Has 20 km (12 mi) more estimated range

Pros

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

Cons

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

Porsche Cayman (981C) GTS 3.4

  • Is 105 kg lighter
  • Uses 0.3 L/100 km less fuel
  • Has 11 hp/t better power-to-weight
  • Has 40 L more trunk volume
  • Emits 7 g/km less CO2

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Lowest power

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 911 (991) Carrera 4 3.4
Porsche Cayman (981C) GTS 3.4
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