Car comparison

Porsche 911 (991) Carrera 4 3.4vsPorsche Cayman (981C) 2.7

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)

2.7

275 hp2706 ccGasolineRWDManualNaturally aspiratedCoupe2013-2016

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 power-to-weight
    241 hp/t
    180 kW/t
    4.1 kg/hp
  • Best overall score
    66/100
  • Best performance score
    73/100
  • Best practicality score
    50/100

Porsche Cayman (981C) 2.7

  • Lightest
    1,330 kg
    2,932 lb
  • Lowest combined fuel consumption
    8.4 L/100 km
    28.0 mpg US
    33.6 mpg UK
  • Lowest city consumption
    11.8 L/100 km
    19.9 mpg US
    23.9 mpg UK
  • Lowest highway consumption
    6.4 L/100 km
    36.8 mpg US
    44.1 mpg UK
  • Lowest CO2 emissions
    195 g/km
  • Best estimated range
    762 km
    473 mi
  • Largest trunk
    425 L
  • Best economy score
    84/100

Specification comparison

Specification comparison
ModelPorsche911 (991)Carrera 4 3.4PorscheCayman (981C)2.7
Power
350hp261kW
275hp205kW
Torque
390Nm288lb-ft
290Nm214lb-ft
Curb weight
1,450kg3,197lb
1,330kg2,932lb
Gross weight
1,845kg4,068lb
1,655kg3,649lb
Top speed
285 km/h
177 mph
266 km/h
165 mph
To 99% top speed
68.4s99% target: 282 km/h / 175 mph
Calculated
73.8s99% target: 263 km/h / 164 mph
Calculated
0-100 km/h
4.9s
5.7s
0-200 km/h
15.4s
Calculated
19.3s
Calculated
0-60 mph
4.7s
Calculated
5.4s
Calculated
Fuel consumption
9.3L/100 km25.3mpg US30.4mpg UK
8.4L/100 km28mpg US33.6mpg UK
Fuel consumption city
12.9L/100 km18.2mpg US21.9mpg UK
11.8L/100 km19.9mpg US23.9mpg UK
Fuel consumption highway
7.4L/100 km31.8mpg US38.2mpg UK
6.4L/100 km36.8mpg US44.1mpg UK
Quarter mile
12.9s
Calculated
13.8s
Calculated
Power-to-weight
241hp/t180kW/t109hp/1000 lb
Calculated
207hp/t154kW/t94hp/1000 lb
Calculated
Torque-to-weight
269Nm/t180lb-ft/ton
Calculated
218Nm/t146lb-ft/ton
Calculated
Estimated range
731km454mi
Calculated
762km473mi
Calculated
Displacement
3,436cc210cu in
2,706cc165cu in
Length
4,491mm177in
4,380mm172in
Width
1,852mm73in
1,801mm71in
Height
1,304mm51in
1,294mm51in
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
195g/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) 2.7PowerTorque
  • Porsche 911 (991) Carrera 4 3.4: Power / Torque
  • Porsche Cayman (981C) 2.7: 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)2.77,400 rpm4,500-6,500 rpm7,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 (991)Carrera 4 3.4PorscheCayman (981C)2.7
Acceleration checkpoints
0-60 mph
0-97 km/h
4.7 s
5.4 s
0-100 km/h
0-62 mph
4.9 s
5.7 s
0-200 km/h
0-124 mph
15.4 s
19.3 s
Top speed
285 km/h
177 mph
266 km/h
165 mph
Drag race simulation
60 ft
18 m
2.2 s
2.3 s
330 ft
101 m
5.7 s
6.1 s
1/8 mile
201 m
8.5 s
9.1 s
1000 ft
305 m
10.9 s
11.6 s
1/4 mile
402 m
12.9 s
13.8 s
Trap speed
1/4 mile
402 m
183 km/h
114 mph
171 km/h
106 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)2.7
275 hp
205 kW

Porsche 911 (991) Carrera 4 3.4 has 75 hp more than Porsche Cayman (981C) 2.7.

The biggest power difference is between Porsche Cayman (981C) 2.7 and Porsche 911 (991) Carrera 4 3.4: 75 hp (56 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)2.7
290 Nm
214 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)2.7
1,330 kg
2,932 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)2.7
266 km/h
165 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)2.75.7 s

The biggest 0-100 km/h difference is between Porsche 911 (991) Carrera 4 3.4 and Porsche Cayman (981C) 2.7: 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)Carrera 4 3.4
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
PorscheCayman (981C)2.7
8.4 L/100 km
28.0 mpg US
33.6 mpg UK

The biggest fuel consumption difference is between Porsche Cayman (981C) 2.7 and Porsche 911 (991) Carrera 4 3.4: 0.9 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
PorscheCayman (981C)2.7
207 hp/t
154 kW/t
4.8 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)2.7
762 km
473 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)2.7
275 hp
205 kW
5.7 s
266 km/h
165 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)2.7
Power
275 hp
205 kW
0-100 km/h5.7 s
Top speed
266 km/h
165 mph
Doors/seats
2 doors
2 seats
Trunk
425 L
15.0 cu ft
Length
4,380 mm
172.4 in
Height
1,294 mm
50.9 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)2.7
Power
275 hp
205 kW
0-100 km/h5.7 s
Top speed
266 km/h
165 mph
8.4 L/100 km
28.0 mpg US
33.6 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)2.7
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
5.7 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)2.7
207 hp/t
154 kW/t
4.8 kg/hp
8.4 L/100 km
28.0 mpg US
33.6 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (991)Carrera 4 3.4PorscheCayman (981C)2.7
Power
350 hp
261 kW
275 hp
205 kW
Torque
390 Nm
288 lb-ft
290 Nm
214 lb-ft
Acceleration
4.9 s
5.7 s
Top speed
285 km/h
177 mph
266 km/h
165 mph
Lightness
1,450 kg
3,197 lb
1,330 kg
2,932 lb
Fuel consumption
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
8.4 L/100 km
28.0 mpg US
33.6 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
4,380 mm
172.4 in
Height
1,294 mm
50.9 in
Range score
731 km
454 mi
762 km
473 mi
CO2 score
218 g/km
195 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
207 hp/t
154 kW/t
4.8 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) 2.7
Consumption9.3 L/100 km25.3 mpg US30.4 mpg UK8.4 L/100 km28 mpg US33.6 mpg UK
Cost / 100 km16.28 LC100 km14.70 LC100 km
Cost / 100 mi26.19 LC100 mi23.66 LC100 mi
Annual fuel used1,395 L369 US gal307 UK gal1,260 L333 US gal277 UK gal
Annual fuel cost2,441 LC/year2,205 LC/year

Head-to-head comparisons

Porsche 911 (991) Carrera 4 3.4

  • Has 75 hp more
  • Has 100 Nm more
  • Is 0.8 s quicker from 0-100 km/h
  • Has 19 km/h (12 mph) higher top speed
  • Has 35 hp/t better power-to-weight

Pros

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

Cons

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

Porsche Cayman (981C) 2.7

  • Is 120 kg lighter
  • Uses 0.9 L/100 km less fuel
  • Has 31 km (19 mi) more estimated range
  • Has 40 L more trunk volume
  • Emits 23 g/km less CO2

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range
  • 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) Carrera 4 3.4
Porsche Cayman (981C) 2.7
Compare selected cars
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