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 ccGasolineAWDDual-clutchNaturally aspiratedCoupe2012-2015
VS

Porsche Cayman (981C)

2.7

275 hp2706 ccGasolineRWDDual-clutchNaturally 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
    4.5 s
  • Fastest top speed
    283 km/h
    176 mph
  • Most powerful
    350 hp
    261 kW
  • Highest torque
    390 Nm
    288 lb-ft
  • Best power-to-weight
    238 hp/t
    178 kW/t
    4.2 kg/hp
  • Best overall score
    66/100
  • Best performance score
    74/100
  • Best practicality score
    50/100

Porsche Cayman (981C) 2.7

  • Lightest
    1,360 kg
    2,998 lb
  • Lowest combined fuel consumption
    7.9 L/100 km
    29.8 mpg US
    35.8 mpg UK
  • Lowest city consumption
    10.9 L/100 km
    21.6 mpg US
    25.9 mpg UK
  • Lowest highway consumption
    6.2 L/100 km
    37.9 mpg US
    45.6 mpg UK
  • Lowest CO2 emissions
    183 g/km
  • Best estimated range
    810 km
    503 mi
  • Largest trunk
    425 L
  • Best economy score
    86/100

Specification comparison

Specification comparison
ModelPorsche911 (991)Carrera 4 3.4PorscheCayman (981C)2.7
Power
350hp261kW
275hp205kW
Torque
390Nm288lb-ft
290Nm214lb-ft
Curb weight
1,470kg3,241lb
1,360kg2,998lb
Gross weight
1,865kg4,112lb
1,685kg3,715lb
Top speed
283 km/h
176 mph
264 km/h
164 mph
To 99% top speed
62.6s99% target: 280 km/h / 174 mph
Calculated
72.4s99% target: 261 km/h / 162 mph
Calculated
0-100 km/h
4.5s
5.6s
0-200 km/h
14.3s
Calculated
19.2s
Calculated
0-60 mph
4.3s
Calculated
5.3s
Calculated
Fuel consumption
8.6L/100 km27.4mpg US32.8mpg UK
7.9L/100 km29.8mpg US35.8mpg UK
Fuel consumption city
11.7L/100 km20.1mpg US24.1mpg UK
10.9L/100 km21.6mpg US25.9mpg UK
Fuel consumption highway
6.8L/100 km34.6mpg US41.5mpg UK
6.2L/100 km37.9mpg US45.6mpg UK
Quarter mile
12.5s
Calculated
13.7s
Calculated
Power-to-weight
238hp/t178kW/t108hp/1000 lb
Calculated
202hp/t151kW/t92hp/1000 lb
Calculated
Torque-to-weight
265Nm/t178lb-ft/ton
Calculated
213Nm/t143lb-ft/ton
Calculated
Estimated range
791km491mi
Calculated
810km503mi
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
200g/km
183g/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
4.3 s
5.3 s
0-100 km/h
0-62 mph
4.5 s
5.6 s
0-200 km/h
0-124 mph
14.3 s
19.2 s
Top speed
283 km/h
176 mph
264 km/h
164 mph
Drag race simulation
60 ft
18 m
2.1 s
2.3 s
330 ft
101 m
5.5 s
6.0 s
1/8 mile
201 m
8.2 s
9.0 s
1000 ft
305 m
10.6 s
11.5 s
1/4 mile
402 m
12.5 s
13.7 s
Trap speed
1/4 mile
402 m
188 km/h
117 mph
172 km/h
107 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
1,470 kg
3,241 lb
PorscheCayman (981C)2.7
1,360 kg
2,998 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
283 km/h
176 mph
PorscheCayman (981C)2.7
264 km/h
164 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 3.44.5 s
PorscheCayman (981C)2.75.6 s

The biggest 0-100 km/h difference is between Porsche 911 (991) Carrera 4 3.4 and Porsche Cayman (981C) 2.7: 1.1 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
8.6 L/100 km
27.4 mpg US
32.8 mpg UK
PorscheCayman (981C)2.7
7.9 L/100 km
29.8 mpg US
35.8 mpg UK

The biggest fuel consumption difference is between Porsche Cayman (981C) 2.7 and Porsche 911 (991) Carrera 4 3.4: 0.7 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
238 hp/t
178 kW/t
4.2 kg/hp
PorscheCayman (981C)2.7
202 hp/t
151 kW/t
4.9 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
791 km
491 mi
PorscheCayman (981C)2.7
810 km
503 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
4.5 s
283 km/h
176 mph
PorscheCayman (981C)2.7
275 hp
205 kW
5.6 s
264 km/h
164 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/h4.5 s
Top speed
283 km/h
176 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/h5.6 s
Top speed
264 km/h
164 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/h4.5 s
Top speed
283 km/h
176 mph
8.6 L/100 km
27.4 mpg US
32.8 mpg UK
PorscheCayman (981C)2.7
Power
275 hp
205 kW
0-100 km/h5.6 s
Top speed
264 km/h
164 mph
7.9 L/100 km
29.8 mpg US
35.8 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
8.6 L/100 km
27.4 mpg US
32.8 mpg UK
4.5 s
PorscheCayman (981C)2.7
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
5.6 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
238 hp/t
178 kW/t
4.2 kg/hp
8.6 L/100 km
27.4 mpg US
32.8 mpg UK
PorscheCayman (981C)2.7
202 hp/t
151 kW/t
4.9 kg/hp
7.9 L/100 km
29.8 mpg US
35.8 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
4.5 s
5.6 s
Top speed
283 km/h
176 mph
264 km/h
164 mph
Lightness
1,470 kg
3,241 lb
1,360 kg
2,998 lb
Fuel consumption
8.6 L/100 km
27.4 mpg US
32.8 mpg UK
7.9 L/100 km
29.8 mpg US
35.8 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
791 km
491 mi
810 km
503 mi
CO2 score
200 g/km
183 g/km
Trunk score
385 L
13.6 cu ft
425 L
15.0 cu ft
Power-to-weight score
238 hp/t
178 kW/t
4.2 kg/hp
202 hp/t
151 kW/t
4.9 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
Consumption8.6 L/100 km27.4 mpg US32.8 mpg UK7.9 L/100 km29.8 mpg US35.8 mpg UK
Cost / 100 km15.05 LC100 km13.83 LC100 km
Cost / 100 mi24.22 LC100 mi22.25 LC100 mi
Annual fuel used1,290 L341 US gal284 UK gal1,185 L313 US gal261 UK gal
Annual fuel cost2,258 LC/year2,074 LC/year

Head-to-head comparisons

Porsche 911 (991) Carrera 4 3.4

  • Has 75 hp more
  • Has 100 Nm more
  • Is 1.1 s quicker from 0-100 km/h
  • Has 19 km/h (12 mph) higher top speed
  • Has 36 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 110 kg lighter
  • Uses 0.7 L/100 km less fuel
  • Has 19 km (12 mi) more estimated range
  • Has 40 L more trunk volume
  • Emits 17 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
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