Car comparison

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

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

New comparison

Porsche 911 (991)

Carrera 3.4

350 hp3436 ccGasolineRWDManualNaturally aspiratedCoupe2011-2015
VS

Porsche Cayman (987C) · Facelift 2009

S 3.4

320 hp3436 ccGasolineRWDManualNaturally aspiratedCoupe2009-2012

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
  • Fastest top speed
    289 km/h
    180 mph
  • 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
  • Lowest highway consumption
    7.0 L/100 km
    33.6 mpg US
    40.4 mpg UK
  • Lowest CO2 emissions
    211 g/km
  • 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
ModelPorsche911 (991)Carrera 3.4PorscheCayman (987C)Facelift 2009S 3.4
Power
350hp261kW
320hp239kW
Torque
390Nm288lb-ft
370Nm273lb-ft
Curb weight
1,400kg3,086lb
1,350kg2,976lb
Gross weight
1,795kg3,957lb
1,645kg3,627lb
Top speed
289 km/h
180 mph
277 km/h
172 mph
To 99% top speed
65.7s99% target: 286 km/h / 178 mph
Calculated
82.7s99% target: 274 km/h / 170 mph
Calculated
0-100 km/h
4.8s
5.2s
0-200 km/h
14.7s
Calculated
18.1s
0-60 mph
4.6s
Calculated
4.9s
Calculated
Fuel consumption
9L/100 km26.1mpg US31.4mpg UK
9.8L/100 km24mpg US28.8mpg UK
Fuel consumption city
12.4L/100 km19mpg US22.8mpg UK
14.4L/100 km16.3mpg US19.6mpg UK
Fuel consumption highway
7L/100 km33.6mpg US40.4mpg UK
7.2L/100 km32.7mpg US39.2mpg UK
Quarter mile
12.8s
Calculated
13.3s
Calculated
Power-to-weight
250hp/t186kW/t113hp/1000 lb
Calculated
237hp/t177kW/t108hp/1000 lb
Calculated
Torque-to-weight
279Nm/t186lb-ft/ton
Calculated
274Nm/t183lb-ft/ton
Calculated
Estimated range
711km442mi
Calculated
663km412mi
Calculated
Displacement
3,436cc210cu in
3,436cc210cu in
Length
4,491mm177in
4,347mm171in
Width
1,808mm71in
1,801mm71in
Height
1,303mm51in
1,306mm51in
Wheelbase
2,450mm96in
2,415mm95in
Front track
1,532mm60in
1,486mm59in
Rear track
1,518mm60in
1,528mm60in
Ground clearance-
126mm5in
Trunk volume
340L
260L
Doors
2
2
Seats
4
2
Fuel tank
64L
65L
CO2 emissions
211g/km
230g/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 3.4Porsche Cayman (987C) Facelift 2009 S 3.4PowerTorque
  • Porsche 911 (991) Carrera 3.4: Power / Torque
  • Porsche Cayman (987C) Facelift 2009 S 3.4: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 (991)Carrera 3.47,400 rpm5,600 rpm7,650 rpm
PorscheCayman (987C)Facelift 2009S 3.47,200 rpm4,750 rpm7,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 (991)Carrera 3.4PorscheCayman (987C)Facelift 2009S 3.4
Acceleration checkpoints
0-60 mph
0-97 km/h
4.6 s
4.9 s
0-100 km/h
0-62 mph
4.8 s
5.2 s
0-200 km/h
0-124 mph
14.7 s
18.1 s
Top speed
289 km/h
180 mph
277 km/h
172 mph
Drag race simulation
60 ft
18 m
2.2 s
2.2 s
330 ft
101 m
5.7 s
5.8 s
1/8 mile
201 m
8.4 s
8.7 s
1000 ft
305 m
10.8 s
11.2 s
1/4 mile
402 m
12.8 s
13.3 s
Trap speed
1/4 mile
402 m
186 km/h
116 mph
174 km/h
108 mph

Power comparison

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

Chart data table
VehicleValue
Porsche911 (991)Carrera 3.4
350 hp
261 kW
PorscheCayman (987C)Facelift 2009S 3.4
320 hp
239 kW

Porsche 911 (991) Carrera 3.4 has 30 hp more than Porsche Cayman (987C) Facelift 2009 S 3.4.

The biggest power difference is between Porsche Cayman (987C) Facelift 2009 S 3.4 and Porsche 911 (991) Carrera 3.4: 30 hp (22 kW).

Torque comparison

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

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

Curb weight comparison

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

Chart data table
VehicleValue
Porsche911 (991)Carrera 3.4
1,400 kg
3,086 lb
PorscheCayman (987C)Facelift 2009S 3.4
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 3.4
289 km/h
180 mph
PorscheCayman (987C)Facelift 2009S 3.4
277 km/h
172 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 3.44.8 s
PorscheCayman (987C)Facelift 2009S 3.45.2 s

The biggest 0-100 km/h difference is between Porsche 911 (991) Carrera 3.4 and Porsche Cayman (987C) Facelift 2009 S 3.4: 0.4 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 3.4
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
PorscheCayman (987C)Facelift 2009S 3.4
9.8 L/100 km
24.0 mpg US
28.8 mpg UK

The biggest fuel consumption difference is between Porsche 911 (991) Carrera 3.4 and Porsche Cayman (987C) Facelift 2009 S 3.4: 0.8 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 3.4
250 hp/t
186 kW/t
4.0 kg/hp
PorscheCayman (987C)Facelift 2009S 3.4
237 hp/t
177 kW/t
4.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche911 (991)Carrera 3.4
711 km
442 mi
PorscheCayman (987C)Facelift 2009S 3.4
663 km
412 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 (991)Carrera 3.4
350 hp
261 kW
4.8 s
289 km/h
180 mph
PorscheCayman (987C)Facelift 2009S 3.4
320 hp
239 kW
5.2 s
277 km/h
172 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 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
PorscheCayman (987C)Facelift 2009S 3.4
Power
320 hp
239 kW
0-100 km/h5.2 s
Top speed
277 km/h
172 mph
Doors/seats
2 doors
2 seats
Trunk
260 L
9.2 cu ft
Length
4,347 mm
171.1 in
Height
1,306 mm
51.4 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 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
PorscheCayman (987C)Facelift 2009S 3.4
Power
320 hp
239 kW
0-100 km/h5.2 s
Top speed
277 km/h
172 mph
9.8 L/100 km
24.0 mpg US
28.8 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
Porsche911 (991)Carrera 3.4
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
4.8 s
PorscheCayman (987C)Facelift 2009S 3.4
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
5.2 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 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
PorscheCayman (987C)Facelift 2009S 3.4
237 hp/t
177 kW/t
4.2 kg/hp
9.8 L/100 km
24.0 mpg US
28.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (991)Carrera 3.4PorscheCayman (987C)Facelift 2009S 3.4
Power
350 hp
261 kW
320 hp
239 kW
Torque
390 Nm
288 lb-ft
370 Nm
273 lb-ft
Acceleration
4.8 s
5.2 s
Top speed
289 km/h
180 mph
277 km/h
172 mph
Lightness
1,400 kg
3,086 lb
1,350 kg
2,976 lb
Fuel consumption
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
Practicality
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
Doors/seats
2 doors
2 seats
Trunk
260 L
9.2 cu ft
Length
4,347 mm
171.1 in
Height
1,306 mm
51.4 in
Range score
711 km
442 mi
663 km
412 mi
CO2 score
211 g/km
230 g/km
Trunk score
340 L
12.0 cu ft
260 L
9.2 cu ft
Power-to-weight score
250 hp/t
186 kW/t
4.0 kg/hp
237 hp/t
177 kW/t
4.2 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 3.4Porsche Cayman (987C) Facelift 2009 S 3.4
Consumption9 L/100 km26.1 mpg US31.4 mpg UK9.8 L/100 km24 mpg US28.8 mpg UK
Cost / 100 km15.75 LC100 km17.15 LC100 km
Cost / 100 mi25.35 LC100 mi27.60 LC100 mi
Annual fuel used1,350 L357 US gal297 UK gal1,470 L388 US gal323 UK gal
Annual fuel cost2,363 LC/year2,573 LC/year

Head-to-head comparisons

Porsche 911 (991) Carrera 3.4

  • Has 30 hp more
  • Has 20 Nm more
  • Is 0.4 s quicker from 0-100 km/h
  • Has 12 km/h (7 mph) higher top speed
  • Uses 0.8 L/100 km less fuel
  • Has 13 hp/t better power-to-weight
  • Has 48 km (30 mi) more estimated range
  • Has 80 L more trunk volume
  • Emits 19 g/km less CO2

Pros

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

Cons

  • Heaviest

Choose cars to compare

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

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