Car comparison

Porsche 911 (991) Carrera 3.4vsPorsche Cayman (987C) 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)

S 3.4

295 hp3386 ccGasolineRWDManualNaturally aspiratedCoupe2005-2009

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)S 3.4
Power
350hp261kW
295hp220kW
Torque
390Nm288lb-ft
340Nm251lb-ft
Curb weight
1,400kg3,086lb
1,350kg2,976lb
Gross weight
1,795kg3,957lb
1,630kg3,594lb
Top speed
289 km/h
180 mph
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Calculated
To 99% top speed
65.2s99% target: 286 km/h / 178 mph
Calculated
92.6s99% target: 282 km/h / 175 mph
Calculated
0-100 km/h
4.8s
5.4s
0-200 km/h
14.7s
Calculated
18.6s
0-60 mph
4.6s
Calculated
5.1s
Calculated
Fuel consumption
9L/100 km26.1mpg US31.4mpg UK
10.6L/100 km22.2mpg US26.6mpg UK
Fuel consumption city
12.4L/100 km19mpg US22.8mpg UK
15.3L/100 km15.4mpg US18.5mpg UK
Fuel consumption highway
7L/100 km33.6mpg US40.4mpg UK
7.8L/100 km30.2mpg US36.2mpg UK
Quarter mile
12.8s
Calculated
13.5s
Calculated
Power-to-weight
250hp/t186kW/t113hp/1000 lb
Calculated
219hp/t163kW/t99hp/1000 lb
Calculated
Torque-to-weight
279Nm/t186lb-ft/ton
Calculated
252Nm/t169lb-ft/ton
Calculated
Estimated range
711km442mi
Calculated
604km375mi
Calculated
Displacement
3,436cc210cu in
3,386cc207cu in
Length
4,491mm177in
4,341mm171in
Width
1,808mm71in
1,801mm71in
Height
1,303mm51in
1,305mm51in
Wheelbase
2,450mm96in
2,415mm95in
Front track
1,532mm60in
1,486mm59in
Rear track
1,518mm60in
1,528mm60in
Ground clearance-
121mm5in
Trunk volume
340L
260L
Doors
2
2
Seats
4
2
Fuel tank
64L
64L
CO2 emissions
211g/km
254g/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) S 3.4PowerTorque
  • Porsche 911 (991) Carrera 3.4: Power / Torque
  • Porsche Cayman (987C) 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)S 3.46,250 rpm4,400-6,000 rpm7,300 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 (991)Carrera 3.4PorscheCayman (987C)S 3.4
Acceleration checkpoints
0-60 mph
0-97 km/h
4.6 s
5.1 s
0-100 km/h
0-62 mph
4.8 s
5.4 s
0-200 km/h
0-124 mph
14.7 s
18.6 s
Top speed
289 km/h
180 mph
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Likely limited
Drag race simulation
60 ft
18 m
2.2 s
2.2 s
330 ft
101 m
5.7 s
5.9 s
1/8 mile
201 m
8.4 s
8.8 s
1000 ft
305 m
10.8 s
11.4 s
1/4 mile
402 m
12.8 s
13.5 s
Trap speed
1/4 mile
402 m
187 km/h
116 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 3.4
350 hp
261 kW
PorscheCayman (987C)S 3.4
295 hp
220 kW

Porsche 911 (991) Carrera 3.4 has 55 hp more than Porsche Cayman (987C) S 3.4.

The biggest power difference is between Porsche Cayman (987C) S 3.4 and Porsche 911 (991) Carrera 3.4: 55 hp (41 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)S 3.4
340 Nm
251 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)S 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)S 3.4
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 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)S 3.45.4 s

The biggest 0-100 km/h difference is between Porsche 911 (991) Carrera 3.4 and Porsche Cayman (987C) S 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
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
PorscheCayman (987C)S 3.4
10.6 L/100 km
22.2 mpg US
26.6 mpg UK

The biggest fuel consumption difference is between Porsche 911 (991) Carrera 3.4 and Porsche Cayman (987C) S 3.4: 1.6 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)S 3.4
219 hp/t
163 kW/t
4.6 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)S 3.4
604 km
375 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)S 3.4
295 hp
220 kW
5.4 s
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 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)S 3.4
Power
295 hp
220 kW
0-100 km/h5.4 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Doors/seats
2 doors
2 seats
Trunk
260 L
9.2 cu ft
Length
4,341 mm
170.9 in
Height
1,305 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)S 3.4
Power
295 hp
220 kW
0-100 km/h5.4 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
10.6 L/100 km
22.2 mpg US
26.6 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)S 3.4
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
5.4 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)S 3.4
219 hp/t
163 kW/t
4.6 kg/hp
10.6 L/100 km
22.2 mpg US
26.6 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (991)Carrera 3.4PorscheCayman (987C)S 3.4
Power
350 hp
261 kW
295 hp
220 kW
Torque
390 Nm
288 lb-ft
340 Nm
251 lb-ft
Acceleration
4.8 s
5.4 s
Top speed
289 km/h
180 mph
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 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
10.6 L/100 km
22.2 mpg US
26.6 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
4,341 mm
170.9 in
Height
1,305 mm
51.4 in
Range score
711 km
442 mi
604 km
375 mi
CO2 score
211 g/km
254 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
219 hp/t
163 kW/t
4.6 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) S 3.4
Consumption9 L/100 km26.1 mpg US31.4 mpg UK10.6 L/100 km22.2 mpg US26.6 mpg UK
Cost / 100 km15.75 LC100 km18.55 LC100 km
Cost / 100 mi25.35 LC100 mi29.85 LC100 mi
Annual fuel used1,350 L357 US gal297 UK gal1,590 L420 US gal350 UK gal
Annual fuel cost2,363 LC/year2,783 LC/year

Head-to-head comparisons

Porsche 911 (991) Carrera 3.4

  • Has 55 hp more
  • Has 50 Nm more
  • Is 0.6 s quicker from 0-100 km/h
  • Has 4 km/h (2 mph) higher top speed
  • Uses 1.6 L/100 km less fuel
  • Has 31 hp/t better power-to-weight
  • Has 107 km (67 mi) more estimated range
  • Has 80 L more trunk volume
  • Emits 43 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

Porsche Cayman (987C) S 3.4

  • Is 50 kg lighter

Pros

  • Lightest

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Lowest top speed
  • Smallest trunk
  • Highest CO2 emissions

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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