Car comparison

Porsche 911 (997) · Facelift 2008 GT3 RS 3.8vsPorsche 911 (997) GT3 RS 3.6

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

New comparison

Porsche 911 (997) · Facelift 2008

GT3 RS 3.8

450 hp3797 ccGasolineRWDManualNaturally aspiratedCoupe2009-2011
VS

Porsche 911 (997)

GT3 RS 3.6

415 hp3600 ccGasolineRWDManualNaturally aspiratedCoupe2006-2009

Comparison overview

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

Best choices

Porsche 911 (997) Facelift 2008 GT3 RS 3.8

  • Quickest 0-100 km/h
    4.0 s
  • Fastest top speed
    320 km/h
    199 mph Unrestricted
    310 km/h
    193 mph Restricted
  • Most powerful
    450 hp
    336 kW
  • Highest torque
    430 Nm
    317 lb-ft
  • Lightest
    1,370 kg
    3,020 lb
  • Best power-to-weight
    328 hp/t
    245 kW/t
    3.0 kg/hp
  • Lowest city consumption
    19.4 L/100 km
    12.1 mpg US
    14.6 mpg UK
  • Largest trunk
    105 L
  • Best overall score
    70/100
  • Best performance score
    84/100
  • Best practicality score
    39/100

Porsche 911 (997) GT3 RS 3.6

  • Lowest combined fuel consumption
    12.8 L/100 km
    18.4 mpg US
    22.1 mpg UK
  • Lowest highway consumption
    8.9 L/100 km
    26.4 mpg US
    31.7 mpg UK
  • Lowest CO2 emissions
    307 g/km
  • Best estimated range
    703 km
    437 mi
  • Best economy score
    73/100

Specification comparison

Specification comparison
ModelPorsche911 (997)Facelift 2008GT3 RS 3.8Porsche911 (997)GT3 RS 3.6
Power
450hp336kW
415hp309kW
Torque
430Nm317lb-ft
405Nm299lb-ft
Curb weight
1,370kg3,020lb
1,375kg3,031lb
Gross weight
1,680kg3,704lb
1,680kg3,704lb
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Calculated
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Calculated
To 99% top speed
58.5s99% target: 317 km/h / 197 mph
Calculated
62.0s99% target: 317 km/h / 197 mph
Calculated
0-100 km/h
4.0s
4.2s
0-200 km/h
11.2s
Calculated
11.8s
Calculated
0-60 mph
3.8s
Calculated
4.0s
Calculated
Fuel consumption
13.2L/100 km17.8mpg US21.4mpg UK
12.8L/100 km18.4mpg US22.1mpg UK
Fuel consumption city
19.4L/100 km12.1mpg US14.6mpg UK
19.8L/100 km11.9mpg US14.3mpg UK
Fuel consumption highway
9.6L/100 km24.5mpg US29.4mpg UK
8.9L/100 km26.4mpg US31.7mpg UK
Quarter mile
11.7s
Calculated
12.0s
Calculated
Power-to-weight
328hp/t245kW/t149hp/1000 lb
Calculated
302hp/t225kW/t137hp/1000 lb
Calculated
Torque-to-weight
314Nm/t210lb-ft/ton
Calculated
295Nm/t197lb-ft/ton
Calculated
Estimated range
508km315mi
Calculated
703km437mi
Calculated
Displacement
3,797cc232cu in
3,600cc220cu in
Length
4,460mm176in
4,460mm176in
Width
1,808mm71in
1,852mm73in
Height
1,280mm50in
1,280mm50in
Wheelbase
2,355mm93in
2,360mm93in
Max trunk volume
105L
105L
Doors
2
2
Seats
2
2
Fuel tank
67L
90L
CO2 emissions
314g/km
307g/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 GT3 RS 3.8Porsche 911 (997) GT3 RS 3.6PowerTorque
  • Porsche 911 (997) Facelift 2008 GT3 RS 3.8: Power / Torque
  • Porsche 911 (997) GT3 RS 3.6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 (997)Facelift 2008GT3 RS 3.87,900 rpm6,750 rpm8,150 rpm
Porsche911 (997)GT3 RS 3.67,600 rpm5,500 rpm7,850 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 (997)Facelift 2008GT3 RS 3.8Porsche911 (997)GT3 RS 3.6
Acceleration checkpoints
0-60 mph
0-97 km/h
3.8 s
4.0 s
0-100 km/h
0-62 mph
4.0 s
4.2 s
0-200 km/h
0-124 mph
11.2 s
11.8 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Likely limited
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Likely limited
Drag race simulation
60 ft
18 m
2.1 s
2.1 s
330 ft
101 m
5.3 s
5.4 s
1/8 mile
201 m
7.8 s
8.0 s
1000 ft
305 m
10.0 s
10.2 s
1/4 mile
402 m
11.7 s
12.0 s
Trap speed
1/4 mile
402 m
205 km/h
128 mph
202 km/h
125 mph

Power comparison

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

Chart data table
VehicleValue
Porsche911 (997)Facelift 2008GT3 RS 3.8
450 hp
336 kW
Porsche911 (997)GT3 RS 3.6
415 hp
309 kW

Porsche 911 (997) Facelift 2008 GT3 RS 3.8 has 35 hp more than Porsche 911 (997) GT3 RS 3.6.

The biggest power difference is between Porsche 911 (997) GT3 RS 3.6 and Porsche 911 (997) Facelift 2008 GT3 RS 3.8: 35 hp (26 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche911 (997)Facelift 2008GT3 RS 3.8
430 Nm
317 lb-ft
Porsche911 (997)GT3 RS 3.6
405 Nm
299 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche911 (997)Facelift 2008GT3 RS 3.8
1,370 kg
3,020 lb
Porsche911 (997)GT3 RS 3.6
1,375 kg
3,031 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 2008GT3 RS 3.8
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Porsche911 (997)GT3 RS 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

The biggest 0-100 km/h difference is between Porsche 911 (997) Facelift 2008 GT3 RS 3.8 and Porsche 911 (997) GT3 RS 3.6: 0.2 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 2008GT3 RS 3.8
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
Porsche911 (997)GT3 RS 3.6
12.8 L/100 km
18.4 mpg US
22.1 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 (997)Facelift 2008GT3 RS 3.8
328 hp/t
245 kW/t
3.0 kg/hp
Porsche911 (997)GT3 RS 3.6
302 hp/t
225 kW/t
3.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche911 (997)Facelift 2008GT3 RS 3.8
508 km
315 mi
Porsche911 (997)GT3 RS 3.6
703 km
437 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 (997)Facelift 2008GT3 RS 3.8
450 hp
336 kW
4.0 s
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Porsche911 (997)GT3 RS 3.6
415 hp
309 kW
4.2 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 2008GT3 RS 3.8
Power
450 hp
336 kW
0-100 km/h4.0 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Doors/seats
2 doors
2 seats
Trunk
105 L
3.7 cu ft
Length
4,460 mm
175.6 in
Height
1,280 mm
50.4 in
Porsche911 (997)GT3 RS 3.6
Power
415 hp
309 kW
0-100 km/h4.2 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Doors/seats
2 doors
2 seats
Trunk
105 L
3.7 cu ft
Length
4,460 mm
175.6 in
Height
1,280 mm
50.4 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 (997)Facelift 2008GT3 RS 3.8
Power
450 hp
336 kW
0-100 km/h4.0 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
Porsche911 (997)GT3 RS 3.6
Power
415 hp
309 kW
0-100 km/h4.2 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
12.8 L/100 km
18.4 mpg US
22.1 mpg UK

Porsche 911 (997) GT3 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 2008GT3 RS 3.8
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
4.0 s
Porsche911 (997)GT3 RS 3.6
12.8 L/100 km
18.4 mpg US
22.1 mpg UK
4.2 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 2008GT3 RS 3.8
328 hp/t
245 kW/t
3.0 kg/hp
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
Porsche911 (997)GT3 RS 3.6
302 hp/t
225 kW/t
3.3 kg/hp
12.8 L/100 km
18.4 mpg US
22.1 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (997)Facelift 2008GT3 RS 3.8Porsche911 (997)GT3 RS 3.6
Power
450 hp
336 kW
415 hp
309 kW
Torque
430 Nm
317 lb-ft
405 Nm
299 lb-ft
Acceleration
4.0 s
4.2 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Lightness
1,370 kg
3,020 lb
1,375 kg
3,031 lb
Fuel consumption
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
12.8 L/100 km
18.4 mpg US
22.1 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
105 L
3.7 cu ft
Length
4,460 mm
175.6 in
Height
1,280 mm
50.4 in
Doors/seats
2 doors
2 seats
Trunk
105 L
3.7 cu ft
Length
4,460 mm
175.6 in
Height
1,280 mm
50.4 in
Range score
508 km
315 mi
703 km
437 mi
CO2 score
314 g/km
307 g/km
Trunk score
105 L
3.7 cu ft
105 L
3.7 cu ft
Power-to-weight score
328 hp/t
245 kW/t
3.0 kg/hp
302 hp/t
225 kW/t
3.3 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 911 (997) Facelift 2008 GT3 RS 3.8Porsche 911 (997) GT3 RS 3.6
Consumption13.2 L/100 km17.8 mpg US21.4 mpg UK12.8 L/100 km18.4 mpg US22.1 mpg UK
Cost / 100 km23.10 LC100 km22.40 LC100 km
Cost / 100 mi37.18 LC100 mi36.05 LC100 mi
Annual fuel used1,980 L523 US gal436 UK gal1,920 L507 US gal422 UK gal
Annual fuel cost3,465 LC/year3,360 LC/year

Head-to-head comparisons

Porsche 911 (997) Facelift 2008 GT3 RS 3.8

  • Has 35 hp more
  • Has 25 Nm more
  • Is 5 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Has 27 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lightest
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Highest CO2 emissions

Porsche 911 (997) GT3 RS 3.6

  • Uses 0.4 L/100 km less fuel
  • Has 196 km (122 mi) more estimated range
  • Emits 7 g/km less CO2

Pros

  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Heaviest

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Model
Generation
Engine or modification
Porsche 911 (997) GT3 RS 3.8
Porsche 911 (997) GT3 RS 3.6
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Porsche 911 (997) · Facelift 2008 GT3 RS 3.8 vs Porsche 911 (997) GT3 RS 3.6 - car comparison - FastVsFaster