Car comparison

Porsche Cayman (987C) · Facelift 2009 R 3.4vsPorsche 911 (991) Carrera 3.4

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

Porsche Cayman (987C) · Facelift 2009

R 3.4

330 hp3436 ccGasolineRWDAutomaticNaturally aspiratedCoupe2011-2012
VS

Porsche 911 (991)

Carrera 3.4

350 hp3436 ccGasolineRWDManualNaturally aspiratedCoupe2011-2015

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Best choices

Porsche 911 (991) Carrera 3.4

  • Quickest 0-100 km/h
    4.8 s
  • Most powerful
    350 hp
    261 kW
  • Highest torque
    390 Nm
    288 lb-ft
  • Best power-to-weight
    250 hp/t
    186 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
    12.4 L/100 km
    19.0 mpg US
    22.8 mpg UK
  • Best estimated range
    711 km
    442 mi
  • Largest trunk
    340 L
  • Best overall score
    66/100
  • Best performance score
    74/100
  • Best economy score
    83/100
  • Best practicality score
    48/100

Specification comparison

Specification comparison
ModelPorscheCayman (987C)Facelift 2009R 3.4Porsche911 (991)Carrera 3.4
Power
330hp246kW
350hp261kW
Torque
370Nm273lb-ft
390Nm288lb-ft
Curb weight
1,320kg2,910lb
1,400kg3,086lb
Gross weight
1,645kg3,627lb
1,795kg3,957lb
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Calculated
289 km/h
180 mph
To 99% top speed
90.7s99% target: 287 km/h / 178 mph
Calculated
65.2s99% target: 286 km/h / 178 mph
Calculated
0-100 km/h
4.9s
4.8s
0-200 km/h
17.0s
14.7s
Calculated
0-60 mph
4.7s
Calculated
4.6s
Calculated
Fuel consumption
9.3L/100 km25.3mpg US30.4mpg UK
9L/100 km26.1mpg US31.4mpg UK
Fuel consumption city
14L/100 km16.8mpg US20.2mpg UK
12.4L/100 km19mpg US22.8mpg UK
Fuel consumption highway
6.6L/100 km35.6mpg US42.8mpg UK
7L/100 km33.6mpg US40.4mpg UK
Quarter mile
13.0s
Calculated
12.8s
Calculated
Power-to-weight
250hp/t186kW/t113hp/1000 lb
Calculated
250hp/t186kW/t113hp/1000 lb
Calculated
Torque-to-weight
280Nm/t188lb-ft/ton
Calculated
279Nm/t186lb-ft/ton
Calculated
Estimated range
581km361mi
Calculated
711km442mi
Calculated
Displacement
3,436cc210cu in
3,436cc210cu in
Length
4,347mm171in
4,491mm177in
Width
1,801mm71in
1,808mm71in
Height
1,285mm51in
1,303mm51in
Wheelbase
2,415mm95in
2,450mm96in
Front track
1,490mm59in
1,532mm60in
Rear track
1,530mm60in
1,518mm60in
Ground clearance
103mm4in
-
Trunk volume
260L
340L
Doors
2
2
Seats
2
4
Fuel tank
54L
64L
CO2 emissions-
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 Cayman (987C) Facelift 2009 R 3.4Porsche 911 (991) Carrera 3.4PowerTorque
  • Porsche Cayman (987C) Facelift 2009 R 3.4: Power / Torque
  • Porsche 911 (991) Carrera 3.4: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
PorscheCayman (987C)Facelift 2009R 3.47,400 rpm4,750 rpm7,650 rpm
Porsche911 (991)Carrera 3.47,400 rpm5,600 rpm7,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorscheCayman (987C)Facelift 2009R 3.4Porsche911 (991)Carrera 3.4
Acceleration checkpoints
0-60 mph
0-97 km/h
4.7 s
4.6 s
0-100 km/h
0-62 mph
4.9 s
4.8 s
0-200 km/h
0-124 mph
17.0 s
14.7 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Likely limited
289 km/h
180 mph
Drag race simulation
60 ft
18 m
2.1 s
2.2 s
330 ft
101 m
5.6 s
5.7 s
1/8 mile
201 m
8.5 s
8.4 s
1000 ft
305 m
11.0 s
10.8 s
1/4 mile
402 m
13.0 s
12.8 s
Trap speed
1/4 mile
402 m
177 km/h
110 mph
187 km/h
116 mph

Power comparison

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

Chart data table
VehicleValue
PorscheCayman (987C)Facelift 2009R 3.4
330 hp
246 kW
Porsche911 (991)Carrera 3.4
350 hp
261 kW

Porsche 911 (991) Carrera 3.4 has 20 hp more than Porsche Cayman (987C) Facelift 2009 R 3.4.

The biggest power difference is between Porsche Cayman (987C) Facelift 2009 R 3.4 and Porsche 911 (991) Carrera 3.4: 20 hp (15 kW).

Torque comparison

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

Chart data table
VehicleValue
PorscheCayman (987C)Facelift 2009R 3.4
370 Nm
273 lb-ft
Porsche911 (991)Carrera 3.4
390 Nm
288 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
PorscheCayman (987C)Facelift 2009R 3.4
1,320 kg
2,910 lb
Porsche911 (991)Carrera 3.4
1,400 kg
3,086 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
PorscheCayman (987C)Facelift 2009R 3.4
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Porsche911 (991)Carrera 3.4
289 km/h
180 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
PorscheCayman (987C)Facelift 2009R 3.44.9 s
Porsche911 (991)Carrera 3.44.8 s

The biggest 0-100 km/h difference is between Porsche 911 (991) Carrera 3.4 and Porsche Cayman (987C) Facelift 2009 R 3.4: 0.1 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
PorscheCayman (987C)Facelift 2009R 3.4
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
Porsche911 (991)Carrera 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
PorscheCayman (987C)Facelift 2009R 3.4
250 hp/t
186 kW/t
4.0 kg/hp
Porsche911 (991)Carrera 3.4
250 hp/t
186 kW/t
4.0 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
PorscheCayman (987C)Facelift 2009R 3.4
581 km
361 mi
Porsche911 (991)Carrera 3.4
711 km
442 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
PorscheCayman (987C)Facelift 2009R 3.4
330 hp
246 kW
4.9 s
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Porsche911 (991)Carrera 3.4
350 hp
261 kW
4.8 s
289 km/h
180 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
PorscheCayman (987C)Facelift 2009R 3.4
Power
330 hp
246 kW
0-100 km/h4.9 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Doors/seats
2 doors
2 seats
Trunk
260 L
9.2 cu ft
Length
4,347 mm
171.1 in
Height
1,285 mm
50.6 in
Porsche911 (991)Carrera 3.4
Power
350 hp
261 kW
0-100 km/h4.8 s
Top speed
289 km/h
180 mph
Doors/seats
2 doors
4 seats
Trunk
340 L
12.0 cu ft
Length
4,491 mm
176.8 in
Height
1,303 mm
51.3 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
PorscheCayman (987C)Facelift 2009R 3.4
Power
330 hp
246 kW
0-100 km/h4.9 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
Porsche911 (991)Carrera 3.4
Power
350 hp
261 kW
0-100 km/h4.8 s
Top speed
289 km/h
180 mph
9.0 L/100 km
26.1 mpg US
31.4 mpg UK

Porsche 911 (991) Carrera 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
PorscheCayman (987C)Facelift 2009R 3.4
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
4.9 s
Porsche911 (991)Carrera 3.4
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
4.8 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
PorscheCayman (987C)Facelift 2009R 3.4
250 hp/t
186 kW/t
4.0 kg/hp
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
Porsche911 (991)Carrera 3.4
250 hp/t
186 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
VehiclePorscheCayman (987C)Facelift 2009R 3.4Porsche911 (991)Carrera 3.4
Power
330 hp
246 kW
350 hp
261 kW
Torque
370 Nm
273 lb-ft
390 Nm
288 lb-ft
Acceleration
4.9 s
4.8 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
289 km/h
180 mph
Lightness
1,320 kg
2,910 lb
1,400 kg
3,086 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
2 seats
Trunk
260 L
9.2 cu ft
Length
4,347 mm
171.1 in
Height
1,285 mm
50.6 in
Doors/seats
2 doors
4 seats
Trunk
340 L
12.0 cu ft
Length
4,491 mm
176.8 in
Height
1,303 mm
51.3 in
Range score
581 km
361 mi
711 km
442 mi
CO2 score
-
211 g/km
Trunk score
260 L
9.2 cu ft
340 L
12.0 cu ft
Power-to-weight score
250 hp/t
186 kW/t
4.0 kg/hp
250 hp/t
186 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 Cayman (987C) Facelift 2009 R 3.4Porsche 911 (991) Carrera 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 3.4

  • Has 20 hp more
  • Has 20 Nm more
  • Is 0.1 s quicker from 0-100 km/h
  • Uses 0.3 L/100 km less fuel
  • Has 0 hp/t better power-to-weight
  • Has 130 km (81 mi) more estimated range
  • Has 80 L more trunk volume

Pros

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

Cons

  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche Cayman (987C) R 3.4
Porsche 911 (991) Carrera 3.4
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2 vehicles selected

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