Car comparison

Porsche 911 (991) Carrera 3.4vsPorsche Cayman (987C) · Facelift 2009 R 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 ccGasolineRWDDual-clutchNaturally aspiratedCoupe2011-2015
VS

Porsche Cayman (987C) · Facelift 2009

R 3.4

330 hp3436 ccGasolineRWDManualNaturally aspiratedCoupe2011-2012

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
    4.4 s
  • Fastest top speed
    287 km/h
    178 mph
  • Most powerful
    350 hp
    261 kW
  • Highest torque
    390 Nm
    288 lb-ft
  • Lowest combined fuel consumption
    8.2 L/100 km
    28.7 mpg US
    34.4 mpg UK
  • Lowest city consumption
    11.3 L/100 km
    20.8 mpg US
    25.0 mpg UK
  • Lowest highway consumption
    6.6 L/100 km
    35.6 mpg US
    42.8 mpg UK
  • Best estimated range
    780 km
    485 mi
  • Largest trunk
    340 L
  • Best overall score
    66/100
  • Best performance score
    74/100
  • Best economy score
    85/100
  • Best practicality score
    48/100

Specification comparison

Specification comparison
ModelPorsche911 (991)Carrera 3.4PorscheCayman (987C)Facelift 2009R 3.4
Power
350hp261kW
330hp246kW
Torque
390Nm288lb-ft
370Nm273lb-ft
Curb weight
1,420kg3,131lb
1,295kg2,855lb
Gross weight
1,815kg4,001lb
1,620kg3,571lb
Top speed
287 km/h
178 mph
282 km/h
175 mph
To 99% top speed
60.0s99% target: 284 km/h / 177 mph
Calculated
82.5s99% target: 279 km/h / 173 mph
Calculated
0-100 km/h
4.4s
5.0s
0-200 km/h
13.6s
Calculated
17.2s
0-60 mph
4.2s
Calculated
4.8s
Calculated
Fuel consumption
8.2L/100 km28.7mpg US34.4mpg UK
9.7L/100 km24.2mpg US29.1mpg UK
Fuel consumption city
11.3L/100 km20.8mpg US25.0mpg UK
14.2L/100 km16.6mpg US19.9mpg UK
Fuel consumption highway
6.6L/100 km35.6mpg US42.8mpg UK
7.1L/100 km33.1mpg US39.8mpg UK
Quarter mile
12.3s
Calculated
13.1s
Calculated
Power-to-weight
246hp/t184kW/t112hp/1000 lb
Calculated
255hp/t190kW/t116hp/1000 lb
Calculated
Torque-to-weight
275Nm/t184lb-ft/ton
Calculated
286Nm/t191lb-ft/ton
Calculated
Estimated range
780km485mi
Calculated
557km346mi
Calculated
Displacement
3,436cc210cu in
3,436cc210cu in
Length
4,491mm177in
4,347mm171in
Width
1,808mm71in
1,801mm71in
Height
1,303mm51in
1,285mm51in
Wheelbase
2,450mm96in
2,415mm95in
Front track
1,532mm60in
1,490mm59in
Rear track
1,518mm60in
1,530mm60in
Ground clearance-
103mm4in
Trunk volume
340L
260L
Doors
2
2
Seats
4
2
Fuel tank
64L
54L
CO2 emissions
191g/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 R 3.4PowerTorque
  • Porsche 911 (991) Carrera 3.4: Power / Torque
  • Porsche Cayman (987C) Facelift 2009 R 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 2009R 3.47,400 rpm4,750 rpm7,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 (991)Carrera 3.4PorscheCayman (987C)Facelift 2009R 3.4
Acceleration checkpoints
0-60 mph
0-97 km/h
4.2 s
4.8 s
0-100 km/h
0-62 mph
4.4 s
5.0 s
0-200 km/h
0-124 mph
13.6 s
17.2 s
Top speed
287 km/h
178 mph
282 km/h
175 mph
Drag race simulation
60 ft
18 m
2.1 s
2.1 s
330 ft
101 m
5.5 s
5.7 s
1/8 mile
201 m
8.1 s
8.6 s
1000 ft
305 m
10.4 s
11.0 s
1/4 mile
402 m
12.3 s
13.1 s
Trap speed
1/4 mile
402 m
191 km/h
119 mph
177 km/h
110 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 2009R 3.4
330 hp
246 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
Porsche911 (991)Carrera 3.4
390 Nm
288 lb-ft
PorscheCayman (987C)Facelift 2009R 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
1,420 kg
3,131 lb
PorscheCayman (987C)Facelift 2009R 3.4
1,295 kg
2,855 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
287 km/h
178 mph
PorscheCayman (987C)Facelift 2009R 3.4
282 km/h
175 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 3.44.4 s
PorscheCayman (987C)Facelift 2009R 3.45.0 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: 0.6 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
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
PorscheCayman (987C)Facelift 2009R 3.4
9.7 L/100 km
24.2 mpg US
29.1 mpg UK

The biggest fuel consumption difference is between Porsche 911 (991) Carrera 3.4 and Porsche Cayman (987C) Facelift 2009 R 3.4: 1.5 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
246 hp/t
184 kW/t
4.1 kg/hp
PorscheCayman (987C)Facelift 2009R 3.4
255 hp/t
190 kW/t
3.9 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
780 km
485 mi
PorscheCayman (987C)Facelift 2009R 3.4
557 km
346 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
4.4 s
287 km/h
178 mph
PorscheCayman (987C)Facelift 2009R 3.4
330 hp
246 kW
5.0 s
282 km/h
175 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/h4.4 s
Top speed
287 km/h
178 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 2009R 3.4
Power
330 hp
246 kW
0-100 km/h5.0 s
Top speed
282 km/h
175 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

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/h4.4 s
Top speed
287 km/h
178 mph
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
PorscheCayman (987C)Facelift 2009R 3.4
Power
330 hp
246 kW
0-100 km/h5.0 s
Top speed
282 km/h
175 mph
9.7 L/100 km
24.2 mpg US
29.1 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
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
4.4 s
PorscheCayman (987C)Facelift 2009R 3.4
9.7 L/100 km
24.2 mpg US
29.1 mpg UK
5.0 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
246 hp/t
184 kW/t
4.1 kg/hp
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
PorscheCayman (987C)Facelift 2009R 3.4
255 hp/t
190 kW/t
3.9 kg/hp
9.7 L/100 km
24.2 mpg US
29.1 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (991)Carrera 3.4PorscheCayman (987C)Facelift 2009R 3.4
Power
350 hp
261 kW
330 hp
246 kW
Torque
390 Nm
288 lb-ft
370 Nm
273 lb-ft
Acceleration
4.4 s
5.0 s
Top speed
287 km/h
178 mph
282 km/h
175 mph
Lightness
1,420 kg
3,131 lb
1,295 kg
2,855 lb
Fuel consumption
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
9.7 L/100 km
24.2 mpg US
29.1 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
1,285 mm
50.6 in
Range score
780 km
485 mi
557 km
346 mi
CO2 score
191 g/km
-
Trunk score
340 L
12.0 cu ft
260 L
9.2 cu ft
Power-to-weight score
246 hp/t
184 kW/t
4.1 kg/hp
255 hp/t
190 kW/t
3.9 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 3.4Porsche Cayman (987C) Facelift 2009 R 3.4
Consumption8.2 L/100 km28.7 mpg US34.4 mpg UK9.7 L/100 km24.2 mpg US29.1 mpg UK
Cost / 100 km14.35 LC100 km16.97 LC100 km
Cost / 100 mi23.09 LC100 mi27.32 LC100 mi
Annual fuel used1,230 L325 US gal271 UK gal1,455 L384 US gal320 UK gal
Annual fuel cost2,153 LC/year2,546 LC/year

Head-to-head comparisons

Porsche 911 (991) Carrera 3.4

  • Has 20 hp more
  • Has 20 Nm more
  • Is 0.6 s quicker from 0-100 km/h
  • Has 5 km/h (3 mph) higher top speed
  • Uses 1.5 L/100 km less fuel
  • Has 224 km (139 mi) more estimated range
  • Has 80 L more trunk volume

Pros

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

Cons

  • Heaviest

Porsche Cayman (987C) Facelift 2009 R 3.4

  • Is 125 kg lighter
  • Has 8 hp/t better power-to-weight

Pros

  • Lightest
  • Best power-to-weight ratio

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

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