Car comparison

Porsche Cayman (987C) · Facelift 2009 S 3.4vsAUDI TT RS Coupe (8J) · Facelift 2010 2.5 TFSI

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

New comparison

Porsche Cayman (987C) · Facelift 2009

S 3.4

320 hp3436 ccGasolineRWDManualNaturally aspiratedCoupe2009-2012
VS

AUDI TT RS Coupe (8J) · Facelift 2010

2.5 TFSI

340 hp2480 ccGasolineAWDManualTurbochargedCoupe2010-2014

Comparison overview

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

Best choices

AUDI TT RS Coupe (8J) Facelift 2010 2.5 TFSI

  • Quickest 0-100 km/h
    4.6 s
  • Most powerful
    340 hp
    254 kW
  • Highest torque
    450 Nm
    332 lb-ft
  • Lowest combined fuel consumption
    9.0 L/100 km
    26.1 mpg US
    31.4 mpg UK
  • Lowest city consumption
    12.6 L/100 km
    18.7 mpg US
    22.4 mpg UK
  • Lowest highway consumption
    6.8 L/100 km
    34.6 mpg US
    41.5 mpg UK
  • Lowest CO2 emissions
    209 g/km
  • Best estimated range
    667 km
    414 mi
  • Largest trunk
    290 L
  • Best overall score
    65/100
  • Best performance score
    72/100
  • Best economy score
    83/100
  • Best practicality score
    50/100

Specification comparison

Specification comparison
ModelPorscheCayman (987C)Facelift 2009S 3.4AUDITT RS Coupe (8J)Facelift 20102.5 TFSI
Power
320hp239kW
340hp254kW
Torque
370Nm273lb-ft
450Nm332lb-ft
Curb weight
1,350kg2,976lb
1,450kg3,197lb
Gross weight
1,645kg3,627lb
1,850kg4,079lb
Top speed
277 km/h
172 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
82.7s99% target: 274 km/h / 170 mph
Calculated
60.6s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
5.2s
4.6s
0-200 km/h
18.1s
15.8s
Calculated
0-60 mph
4.9s
Calculated
4.4s
Calculated
Fuel consumption
9.8L/100 km24mpg US28.8mpg UK
9L/100 km26.1mpg US31.4mpg UK
Fuel consumption city
14.4L/100 km16.3mpg US19.6mpg UK
12.6L/100 km18.7mpg US22.4mpg UK
Fuel consumption highway
7.2L/100 km32.7mpg US39.2mpg UK
6.8L/100 km34.6mpg US41.5mpg UK
Quarter mile
13.3s
Calculated
12.7s
Calculated
Power-to-weight
237hp/t177kW/t108hp/1000 lb
Calculated
234hp/t175kW/t106hp/1000 lb
Calculated
Torque-to-weight
274Nm/t183lb-ft/ton
Calculated
310Nm/t208lb-ft/ton
Calculated
Estimated range
663km412mi
Calculated
667km414mi
Calculated
Displacement
3,436cc210cu in
2,480cc151cu in
Length
4,347mm171in
4,198mm165in
Width
1,801mm71in
1,842mm73in
Height
1,306mm51in
1,342mm53in
Wheelbase
2,415mm95in
2,468mm97in
Front track
1,486mm59in
1,555mm61in
Rear track
1,528mm60in
1,546mm61in
Ground clearance
126mm5in
-
Trunk volume
260L
290L
Max trunk volume-
700L
Doors
2
3
Seats
2
4
Fuel tank
65L
60L
CO2 emissions
230g/km
209g/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 S 3.4AUDI TT RS Coupe (8J) Facelift 2010 2.5 TFSIPowerTorque
  • Porsche Cayman (987C) Facelift 2009 S 3.4: Power / Torque
  • AUDI TT RS Coupe (8J) Facelift 2010 2.5 TFSI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
PorscheCayman (987C)Facelift 2009S 3.47,200 rpm4,750 rpm7,500 rpm
AUDITT RS Coupe (8J)Facelift 20102.5 TFSI5,400-6,500 rpm1,600-5,300 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorscheCayman (987C)Facelift 2009S 3.4AUDITT RS Coupe (8J)Facelift 20102.5 TFSI
Acceleration checkpoints
0-60 mph
0-97 km/h
4.9 s
4.4 s
0-100 km/h
0-62 mph
5.2 s
4.6 s
0-200 km/h
0-124 mph
18.1 s
15.8 s
Top speed
277 km/h
172 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.2 s
2.1 s
330 ft
101 m
5.8 s
5.5 s
1/8 mile
201 m
8.7 s
8.3 s
1000 ft
305 m
11.2 s
10.7 s
1/4 mile
402 m
13.3 s
12.7 s
Trap speed
1/4 mile
402 m
174 km/h
108 mph
182 km/h
113 mph

Power comparison

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

Chart data table
VehicleValue
PorscheCayman (987C)Facelift 2009S 3.4
320 hp
239 kW
AUDITT RS Coupe (8J)Facelift 20102.5 TFSI
340 hp
254 kW

AUDI TT RS Coupe (8J) Facelift 2010 2.5 TFSI has 20 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 AUDI TT RS Coupe (8J) Facelift 2010 2.5 TFSI: 20 hp (15 kW).

Torque comparison

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

Chart data table
VehicleValue
PorscheCayman (987C)Facelift 2009S 3.4
370 Nm
273 lb-ft
AUDITT RS Coupe (8J)Facelift 20102.5 TFSI
450 Nm
332 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
PorscheCayman (987C)Facelift 2009S 3.4
1,350 kg
2,976 lb
AUDITT RS Coupe (8J)Facelift 20102.5 TFSI
1,450 kg
3,197 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 2009S 3.4
277 km/h
172 mph
AUDITT RS Coupe (8J)Facelift 20102.5 TFSI
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 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 2009S 3.45.2 s
AUDITT RS Coupe (8J)Facelift 20102.5 TFSI4.6 s

The biggest 0-100 km/h difference is between AUDI TT RS Coupe (8J) Facelift 2010 2.5 TFSI and Porsche Cayman (987C) Facelift 2009 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
PorscheCayman (987C)Facelift 2009S 3.4
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
AUDITT RS Coupe (8J)Facelift 20102.5 TFSI
9.0 L/100 km
26.1 mpg US
31.4 mpg UK

The biggest fuel consumption difference is between AUDI TT RS Coupe (8J) Facelift 2010 2.5 TFSI 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
PorscheCayman (987C)Facelift 2009S 3.4
237 hp/t
177 kW/t
4.2 kg/hp
AUDITT RS Coupe (8J)Facelift 20102.5 TFSI
234 hp/t
175 kW/t
4.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
PorscheCayman (987C)Facelift 2009S 3.4
663 km
412 mi
AUDITT RS Coupe (8J)Facelift 20102.5 TFSI
667 km
414 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
PorscheCayman (987C)Facelift 2009S 3.4
320 hp
239 kW
5.2 s
277 km/h
172 mph
AUDITT RS Coupe (8J)Facelift 20102.5 TFSI
340 hp
254 kW
4.6 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 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 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
AUDITT RS Coupe (8J)Facelift 20102.5 TFSI
Power
340 hp
254 kW
0-100 km/h4.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
3 doors
4 seats
Trunk
290 L
10.2 cu ft
Length
4,198 mm
165.3 in
Height
1,342 mm
52.8 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 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
AUDITT RS Coupe (8J)Facelift 20102.5 TFSI
Power
340 hp
254 kW
0-100 km/h4.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
9.0 L/100 km
26.1 mpg US
31.4 mpg UK

AUDI TT RS Coupe (8J) Facelift 2010 2.5 TFSI 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 2009S 3.4
9.8 L/100 km
24.0 mpg US
28.8 mpg UK
5.2 s
AUDITT RS Coupe (8J)Facelift 20102.5 TFSI
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
4.6 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
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
AUDITT RS Coupe (8J)Facelift 20102.5 TFSI
234 hp/t
175 kW/t
4.3 kg/hp
9.0 L/100 km
26.1 mpg US
31.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorscheCayman (987C)Facelift 2009S 3.4AUDITT RS Coupe (8J)Facelift 20102.5 TFSI
Power
320 hp
239 kW
340 hp
254 kW
Torque
370 Nm
273 lb-ft
450 Nm
332 lb-ft
Acceleration
5.2 s
4.6 s
Top speed
277 km/h
172 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,350 kg
2,976 lb
1,450 kg
3,197 lb
Fuel consumption
9.8 L/100 km
24.0 mpg US
28.8 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
1,306 mm
51.4 in
Doors/seats
3 doors
4 seats
Trunk
290 L
10.2 cu ft
Length
4,198 mm
165.3 in
Height
1,342 mm
52.8 in
Range score
663 km
412 mi
667 km
414 mi
CO2 score
230 g/km
209 g/km
Trunk score
260 L
9.2 cu ft
290 L
10.2 cu ft
Power-to-weight score
237 hp/t
177 kW/t
4.2 kg/hp
234 hp/t
175 kW/t
4.3 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 S 3.4AUDI TT RS Coupe (8J) Facelift 2010 2.5 TFSI
Consumption9.8 L/100 km24 mpg US28.8 mpg UK9 L/100 km26.1 mpg US31.4 mpg UK
Cost / 100 km17.15 LC100 km15.75 LC100 km
Cost / 100 mi27.60 LC100 mi25.35 LC100 mi
Annual fuel used1,470 L388 US gal323 UK gal1,350 L357 US gal297 UK gal
Annual fuel cost2,573 LC/year2,363 LC/year

Head-to-head comparisons

Porsche Cayman (987C) Facelift 2009 S 3.4

  • Is 100 kg lighter
  • Has 12 km/h (7 mph) higher top speed
  • Has 3 hp/t better power-to-weight

Pros

  • Highest top speed
  • Lightest
  • Best power-to-weight ratio

Cons

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

AUDI TT RS Coupe (8J) Facelift 2010 2.5 TFSI

  • Has 20 hp more
  • Has 80 Nm more
  • Is 0.6 s quicker from 0-100 km/h
  • Uses 0.8 L/100 km less fuel
  • Has 3 km (2 mi) more estimated range
  • Has 30 L more trunk volume
  • Emits 21 g/km less CO2

Pros

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

Cons

  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche Cayman (987C) S 3.4
AUDI TT RS Coupe (8J) 2.5 TFSI
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