Car comparison

Porsche 911 (991 II) GT2 RS 3.8vsPorsche 911 (997) · Facelift 2008 GT2 RS 3.6

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

New comparison

Porsche 911 (991 II)

GT2 RS 3.8

700 hp3800 ccGasolineRWDDual-clutchTwin-turboCoupe2017-2019
VS

Porsche 911 (997) · Facelift 2008

GT2 RS 3.6

620 hp3600 ccGasolineRWDManualTurbochargedCoupe2010-2012

Comparison overview

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

Best choices

Porsche 911 (991 II) GT2 RS 3.8

  • Quickest 0-100 km/h
    2.8 s
  • Fastest top speed
    340 km/h
    211 mph
  • Most powerful
    700 hp
    522 kW
  • Highest torque
    750 Nm
    553 lb-ft
  • Best power-to-weight
    476 hp/t
    355 kW/t
    2.1 kg/hp
  • Lowest combined fuel consumption
    11.8 L/100 km
    19.9 mpg US
    23.9 mpg UK
  • Lowest highway consumption
    8.2 L/100 km
    28.7 mpg US
    34.4 mpg UK
  • Lowest CO2 emissions
    269 g/km
  • Largest trunk
    115 L
  • Best performance score
    95/100
  • Best economy score
    75/100

Specification comparison

Specification comparison
ModelPorsche911 (991 II)GT2 RS 3.8Porsche911 (997)Facelift 2008GT2 RS 3.6
Power
700hp522kW
620hp462kW
Torque
750Nm553lb-ft
700Nm516lb-ft
Curb weight
1,470kg3,241lb
1,370kg3,020lb
Gross weight
1,830kg4,034lb
1,680kg3,704lb
Top speed
340 km/h
211 mph
330 km/h
205 mph
To 99% top speed
56.2s99% target: 337 km/h / 209 mph
Calculated
46.2s99% target: 327 km/h / 203 mph
Calculated
0-100 km/h
2.8s
3.5s
0-200 km/h
8.3s
9.2s
Calculated
0-60 mph
2.7s
Calculated
3.4s
Calculated
Fuel consumption
11.8L/100 km19.9mpg US23.9mpg UK
11.9L/100 km19.8mpg US23.7mpg UK
Fuel consumption city
18.1L/100 km13mpg US15.6mpg UK
17.9L/100 km13.1mpg US15.8mpg UK
Fuel consumption highway
8.2L/100 km28.7mpg US34.4mpg UK
8.7L/100 km27mpg US32.5mpg UK
Quarter mile
10.3s
Calculated
11.0s
Calculated
Power-to-weight
476hp/t355kW/t216hp/1000 lb
Calculated
453hp/t337kW/t205hp/1000 lb
Calculated
Torque-to-weight
510Nm/t341lb-ft/ton
Calculated
511Nm/t342lb-ft/ton
Calculated
Estimated range
542km337mi
Calculated
756km470mi
Calculated
Displacement
3,800cc232cu in
3,600cc220cu in
Length
4,549mm179in
4,469mm176in
Width
1,880mm74in
1,852mm73in
Height
1,297mm51in
1,285mm51in
Wheelbase
2,453mm97in
2,350mm93in
Front track
1,588mm63in
-
Rear track
1,557mm61in
-
Trunk volume
115L
-
Max trunk volume-
105L
Doors
2
2
Seats
2
2
Fuel tank
64L
90L
CO2 emissions
269g/km
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 (991 II) GT2 RS 3.8Porsche 911 (997) Facelift 2008 GT2 RS 3.6PowerTorque
  • Porsche 911 (991 II) GT2 RS 3.8: Power / Torque
  • Porsche 911 (997) Facelift 2008 GT2 RS 3.6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 (991 II)GT2 RS 3.87,000 rpm2,500-4,500 rpm7,250 rpm
Porsche911 (997)Facelift 2008GT2 RS 3.62,250-5,500 rpm-5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 (991 II)GT2 RS 3.8Porsche911 (997)Facelift 2008GT2 RS 3.6
Acceleration checkpoints
0-60 mph
0-97 km/h
2.7 s
3.4 s
0-100 km/h
0-62 mph
2.8 s
3.5 s
0-200 km/h
0-124 mph
8.3 s
9.2 s
0-200 mph
0-322 km/h
33.3 s
37.1 s
Top speed
340 km/h
211 mph
330 km/h
205 mph
Drag race simulation
60 ft
18 m
1.7 s
2.0 s
330 ft
101 m
4.5 s
5.0 s
1/8 mile
201 m
6.8 s
7.3 s
1000 ft
305 m
8.7 s
9.3 s
1/4 mile
402 m
10.3 s
11.0 s
Trap speed
1/4 mile
402 m
224 km/h
139 mph
222 km/h
138 mph

Power comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)GT2 RS 3.8
700 hp
522 kW
Porsche911 (997)Facelift 2008GT2 RS 3.6
620 hp
462 kW

Porsche 911 (991 II) GT2 RS 3.8 has 80 hp more than Porsche 911 (997) Facelift 2008 GT2 RS 3.6.

The biggest power difference is between Porsche 911 (997) Facelift 2008 GT2 RS 3.6 and Porsche 911 (991 II) GT2 RS 3.8: 80 hp (60 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)GT2 RS 3.8
750 Nm
553 lb-ft
Porsche911 (997)Facelift 2008GT2 RS 3.6
700 Nm
516 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)GT2 RS 3.8
1,470 kg
3,241 lb
Porsche911 (997)Facelift 2008GT2 RS 3.6
1,370 kg
3,020 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 II)GT2 RS 3.8
340 km/h
211 mph
Porsche911 (997)Facelift 2008GT2 RS 3.6
330 km/h
205 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)GT2 RS 3.82.8 s
Porsche911 (997)Facelift 2008GT2 RS 3.63.5 s

The biggest 0-100 km/h difference is between Porsche 911 (991 II) GT2 RS 3.8 and Porsche 911 (997) Facelift 2008 GT2 RS 3.6: 0.7 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 II)GT2 RS 3.8
11.8 L/100 km
19.9 mpg US
23.9 mpg UK
Porsche911 (997)Facelift 2008GT2 RS 3.6
11.9 L/100 km
19.8 mpg US
23.7 mpg UK

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
Porsche911 (991 II)GT2 RS 3.8
476 hp/t
355 kW/t
2.1 kg/hp
Porsche911 (997)Facelift 2008GT2 RS 3.6
453 hp/t
337 kW/t
2.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)GT2 RS 3.8
542 km
337 mi
Porsche911 (997)Facelift 2008GT2 RS 3.6
756 km
470 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 (991 II)GT2 RS 3.8
700 hp
522 kW
2.8 s
340 km/h
211 mph
Porsche911 (997)Facelift 2008GT2 RS 3.6
620 hp
462 kW
3.5 s
330 km/h
205 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 II)GT2 RS 3.8
Power
700 hp
522 kW
0-100 km/h2.8 s
Top speed
340 km/h
211 mph
Doors/seats
2 doors
2 seats
Trunk
115 L
4.1 cu ft
Length
4,549 mm
179.1 in
Height
1,297 mm
51.1 in
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

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 II)GT2 RS 3.8
Power
700 hp
522 kW
0-100 km/h2.8 s
Top speed
340 km/h
211 mph
11.8 L/100 km
19.9 mpg US
23.9 mpg UK
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

Porsche 911 (991 II) GT2 RS 3.8 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 II)GT2 RS 3.8
11.8 L/100 km
19.9 mpg US
23.9 mpg UK
2.8 s
Porsche911 (997)Facelift 2008GT2 RS 3.6
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
3.5 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 II)GT2 RS 3.8
476 hp/t
355 kW/t
2.1 kg/hp
11.8 L/100 km
19.9 mpg US
23.9 mpg UK
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

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (991 II)GT2 RS 3.8Porsche911 (997)Facelift 2008GT2 RS 3.6
Power
700 hp
522 kW
620 hp
462 kW
Torque
750 Nm
553 lb-ft
700 Nm
516 lb-ft
Acceleration
2.8 s
3.5 s
Top speed
340 km/h
211 mph
330 km/h
205 mph
Lightness
1,470 kg
3,241 lb
1,370 kg
3,020 lb
Fuel consumption
11.8 L/100 km
19.9 mpg US
23.9 mpg UK
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
115 L
4.1 cu ft
Length
4,549 mm
179.1 in
Height
1,297 mm
51.1 in
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
Range score
542 km
337 mi
756 km
470 mi
CO2 score
269 g/km
284 g/km
Trunk score
115 L
4.1 cu ft
105 L
3.7 cu ft
Power-to-weight score
476 hp/t
355 kW/t
2.1 kg/hp
453 hp/t
337 kW/t
2.2 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 II) GT2 RS 3.8Porsche 911 (997) Facelift 2008 GT2 RS 3.6
Consumption11.8 L/100 km19.9 mpg US23.9 mpg UK11.9 L/100 km19.8 mpg US23.7 mpg UK
Cost / 100 km20.65 LC100 km20.83 LC100 km
Cost / 100 mi33.23 LC100 mi33.51 LC100 mi
Annual fuel used1,770 L468 US gal389 UK gal1,785 L472 US gal393 UK gal
Annual fuel cost3,098 LC/year3,124 LC/year

Head-to-head comparisons

Porsche 911 (991 II) GT2 RS 3.8

  • Has 80 hp more
  • Has 50 Nm more
  • Is 0.7 s quicker from 0-100 km/h
  • Has 10 km/h (6 mph) higher top speed
  • Uses 0.1 L/100 km less fuel
  • Has 24 hp/t better power-to-weight
  • Has 10 L more trunk volume
  • Emits 15 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
  • Largest trunk

Cons

  • Heaviest

Porsche 911 (997) Facelift 2008 GT2 RS 3.6

  • Is 100 kg lighter
  • Has 214 km (133 mi) more estimated range

Pros

  • Lightest
  • Best estimated range

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 II) GT2 RS 3.8
Porsche 911 (997) GT2 RS 3.6
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2 vehicles selected

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