Car comparison

Porsche 911 (997) · Facelift 2008 GT2 RS 3.6vsPorsche 911 Cabriolet (997) Turbo 3.6

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

New comparison

Porsche 911 (997) · Facelift 2008

GT2 RS 3.6

620 hp3600 ccGasolineRWDManualTurbochargedCoupe2010-2012
VS

Porsche 911 Cabriolet (997)

Turbo 3.6

480 hp3600 ccGasolineRWDAutomaticTurbochargedCabriolet / convertible2007-2008

Comparison overview

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

Best choices

Porsche 911 (997) Facelift 2008 GT2 RS 3.6

  • Quickest 0-100 km/h
    3.5 s
  • Fastest top speed
    330 km/h
    205 mph
  • Most powerful
    620 hp
    462 kW
  • Highest torque
    700 Nm
    516 lb-ft
  • Lightest
    1,370 kg
    3,020 lb
  • Best power-to-weight
    453 hp/t
    337 kW/t
    2.2 kg/hp
  • Lowest combined fuel consumption
    11.9 L/100 km
    19.8 mpg US
    23.7 mpg UK
  • Lowest city consumption
    17.9 L/100 km
    13.1 mpg US
    15.8 mpg UK
  • Lowest highway consumption
    8.7 L/100 km
    27.0 mpg US
    32.5 mpg UK
  • Best estimated range
    756 km
    470 mi
  • Best overall score
    76/100
  • Best performance score
    93/100
  • Best economy score
    75/100

Specification comparison

Specification comparison
ModelPorsche911 (997)Facelift 2008GT2 RS 3.6Porsche911 Cabriolet (997)Turbo 3.6
Power
620hp462kW
480hp358kW
Torque
700Nm516lb-ft
620Nm457lb-ft
Curb weight
1,370kg3,020lb
1,655kg3,649lb
Gross weight
1,680kg3,704lb
2,000kg4,409lb
Top speed
330 km/h
205 mph
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Calculated
To 99% top speed
45.9s99% target: 327 km/h / 203 mph
Calculated
57.8s99% target: 317 km/h / 197 mph
Calculated
0-100 km/h
3.5s
3.8s
0-200 km/h
9.1s
Calculated
10.8s
Calculated
0-60 mph
3.4s
Calculated
3.6s
Calculated
Fuel consumption
11.9L/100 km19.8mpg US23.7mpg UK
13.7L/100 km17.2mpg US20.6mpg UK
Fuel consumption city
17.9L/100 km13.1mpg US15.8mpg UK
20.2L/100 km11.6mpg US14.0mpg UK
Fuel consumption highway
8.7L/100 km27mpg US32.5mpg UK
9.6L/100 km24.5mpg US29.4mpg UK
Quarter mile
11.0s
Calculated
11.5s
Calculated
Power-to-weight
453hp/t337kW/t205hp/1000 lb
Calculated
290hp/t216kW/t132hp/1000 lb
Calculated
Torque-to-weight
511Nm/t342lb-ft/ton
Calculated
375Nm/t251lb-ft/ton
Calculated
Estimated range
756km470mi
Calculated
467km290mi
Calculated
Displacement
3,600cc220cu in
3,600cc220cu in
Length
4,469mm176in
4,427mm174in
Width
1,852mm73in
1,808mm71in
Height
1,285mm51in
1,310mm52in
Wheelbase
2,350mm93in
2,350mm93in
Max trunk volume
105L
-
Doors
2
2
Seats
2
4
Fuel tank
90L
64L
CO2 emissions
284g/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 (997) Facelift 2008 GT2 RS 3.6Porsche 911 Cabriolet (997) Turbo 3.6PowerTorque
  • Porsche 911 (997) Facelift 2008 GT2 RS 3.6: Power / Torque
  • Porsche 911 Cabriolet (997) Turbo 3.6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 (997)Facelift 2008GT2 RS 3.62,250-5,500 rpm-5,750 rpm
Porsche911 Cabriolet (997)Turbo 3.66,000 rpm1,950 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 (997)Facelift 2008GT2 RS 3.6Porsche911 Cabriolet (997)Turbo 3.6
Acceleration checkpoints
0-60 mph
0-97 km/h
3.4 s
3.6 s
0-100 km/h
0-62 mph
3.5 s
3.8 s
0-200 km/h
0-124 mph
9.1 s
10.8 s
0-200 mph
0-322 km/h
36.9 s
-
Top speed
330 km/h
205 mph
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Likely limited
Drag race simulation
60 ft
18 m
2.0 s
2.0 s
330 ft
101 m
5.0 s
5.2 s
1/8 mile
201 m
7.3 s
7.6 s
1000 ft
305 m
9.3 s
9.8 s
1/4 mile
402 m
11.0 s
11.5 s
Trap speed
1/4 mile
402 m
222 km/h
138 mph
207 km/h
129 mph

Power comparison

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

Chart data table
VehicleValue
Porsche911 (997)Facelift 2008GT2 RS 3.6
620 hp
462 kW
Porsche911 Cabriolet (997)Turbo 3.6
480 hp
358 kW

Porsche 911 (997) Facelift 2008 GT2 RS 3.6 has 140 hp more than Porsche 911 Cabriolet (997) Turbo 3.6.

The biggest power difference is between Porsche 911 Cabriolet (997) Turbo 3.6 and Porsche 911 (997) Facelift 2008 GT2 RS 3.6: 140 hp (104 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche911 (997)Facelift 2008GT2 RS 3.6
700 Nm
516 lb-ft
Porsche911 Cabriolet (997)Turbo 3.6
620 Nm
457 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche911 (997)Facelift 2008GT2 RS 3.6
1,370 kg
3,020 lb
Porsche911 Cabriolet (997)Turbo 3.6
1,655 kg
3,649 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 (997)Facelift 2008GT2 RS 3.6
330 km/h
205 mph
Porsche911 Cabriolet (997)Turbo 3.6
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Porsche911 (997)Facelift 2008GT2 RS 3.63.5 s
Porsche911 Cabriolet (997)Turbo 3.63.8 s

The biggest 0-100 km/h difference is between Porsche 911 (997) Facelift 2008 GT2 RS 3.6 and Porsche 911 Cabriolet (997) Turbo 3.6: 0.3 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 (997)Facelift 2008GT2 RS 3.6
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
Porsche911 Cabriolet (997)Turbo 3.6
13.7 L/100 km
17.2 mpg US
20.6 mpg UK

The biggest fuel consumption difference is between Porsche 911 (997) Facelift 2008 GT2 RS 3.6 and Porsche 911 Cabriolet (997) Turbo 3.6: 1.8 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 (997)Facelift 2008GT2 RS 3.6
453 hp/t
337 kW/t
2.2 kg/hp
Porsche911 Cabriolet (997)Turbo 3.6
290 hp/t
216 kW/t
3.4 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche911 (997)Facelift 2008GT2 RS 3.6
756 km
470 mi
Porsche911 Cabriolet (997)Turbo 3.6
467 km
290 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 (997)Facelift 2008GT2 RS 3.6
620 hp
462 kW
3.5 s
330 km/h
205 mph
Porsche911 Cabriolet (997)Turbo 3.6
480 hp
358 kW
3.8 s
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 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 (997)Facelift 2008GT2 RS 3.6
Power
620 hp
462 kW
0-100 km/h3.5 s
Top speed
330 km/h
205 mph
Doors/seats
2 doors
2 seats
Trunk
105 L
3.7 cu ft
Length
4,469 mm
175.9 in
Height
1,285 mm
50.6 in
Porsche911 Cabriolet (997)Turbo 3.6
Power
480 hp
358 kW
0-100 km/h3.8 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Doors/seats
2 doors
4 seats
Trunk-
Length
4,427 mm
174.3 in
Height
1,310 mm
51.6 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 (997)Facelift 2008GT2 RS 3.6
Power
620 hp
462 kW
0-100 km/h3.5 s
Top speed
330 km/h
205 mph
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
Porsche911 Cabriolet (997)Turbo 3.6
Power
480 hp
358 kW
0-100 km/h3.8 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
13.7 L/100 km
17.2 mpg US
20.6 mpg UK

Porsche 911 (997) Facelift 2008 GT2 RS 3.6 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 (997)Facelift 2008GT2 RS 3.6
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
3.5 s
Porsche911 Cabriolet (997)Turbo 3.6
13.7 L/100 km
17.2 mpg US
20.6 mpg UK
3.8 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
Porsche911 (997)Facelift 2008GT2 RS 3.6
453 hp/t
337 kW/t
2.2 kg/hp
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
Porsche911 Cabriolet (997)Turbo 3.6
290 hp/t
216 kW/t
3.4 kg/hp
13.7 L/100 km
17.2 mpg US
20.6 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (997)Facelift 2008GT2 RS 3.6Porsche911 Cabriolet (997)Turbo 3.6
Power
620 hp
462 kW
480 hp
358 kW
Torque
700 Nm
516 lb-ft
620 Nm
457 lb-ft
Acceleration
3.5 s
3.8 s
Top speed
330 km/h
205 mph
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Lightness
1,370 kg
3,020 lb
1,655 kg
3,649 lb
Fuel consumption
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
13.7 L/100 km
17.2 mpg US
20.6 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
105 L
3.7 cu ft
Length
4,469 mm
175.9 in
Height
1,285 mm
50.6 in
Doors/seats
2 doors
4 seats
Trunk-
Length
4,427 mm
174.3 in
Height
1,310 mm
51.6 in
Range score
756 km
470 mi
467 km
290 mi
CO2 score
284 g/km
-
Trunk score
105 L
3.7 cu ft
-
Power-to-weight score
453 hp/t
337 kW/t
2.2 kg/hp
290 hp/t
216 kW/t
3.4 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 (997) Facelift 2008 GT2 RS 3.6Porsche 911 Cabriolet (997) Turbo 3.6
Consumption11.9 L/100 km19.8 mpg US23.7 mpg UK13.7 L/100 km17.2 mpg US20.6 mpg UK
Cost / 100 km20.83 LC100 km23.97 LC100 km
Cost / 100 mi33.51 LC100 mi38.58 LC100 mi
Annual fuel used1,785 L472 US gal393 UK gal2,055 L543 US gal452 UK gal
Annual fuel cost3,124 LC/year3,596 LC/year

Head-to-head comparisons

Porsche 911 (997) Facelift 2008 GT2 RS 3.6

  • Has 140 hp more
  • Has 80 Nm more
  • Is 285 kg lighter
  • Is 0.3 s quicker from 0-100 km/h
  • Has 10 km/h (6 mph) higher top speed
  • Uses 1.8 L/100 km less fuel
  • Has 163 hp/t better power-to-weight
  • Has 289 km (180 mi) more estimated range

Pros

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 911 (997) GT2 RS 3.6
Porsche 911 Cabriolet (997) Turbo 3.6
Compare selected cars
2 vehicles selected

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