Car comparison

Porsche 911 (997) GT3 3.6vsPorsche 911 (991) Carrera S 3.8

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

New comparison

Porsche 911 (997)

GT3 3.6

415 hp3600 ccGasolineRWDManualNaturally aspiratedCoupe2006-2009
VS

Porsche 911 (991)

Carrera S 3.8

400 hp3800 ccGasolineRWDDual-clutchNaturally aspiratedCoupe2011-2015

Comparison overview

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

Best choices

Porsche 911 (991) Carrera S 3.8

  • Quickest 0-100 km/h
    4.1 s
  • Highest torque
    440 Nm
    325 lb-ft
  • Lowest combined fuel consumption
    8.7 L/100 km
    27.0 mpg US
    32.5 mpg UK
  • Lowest city consumption
    12.1 L/100 km
    19.4 mpg US
    23.3 mpg UK
  • Lowest highway consumption
    6.7 L/100 km
    35.1 mpg US
    42.2 mpg UK
  • Lowest CO2 emissions
    202 g/km
  • Best estimated range
    736 km
    457 mi
  • Largest trunk
    340 L
  • Best overall score
    70/100
  • Best economy score
    83/100
  • Best practicality score
    48/100

Porsche 911 (997) GT3 3.6

  • Fastest top speed
    320 km/h
    199 mph Unrestricted
    310 km/h
    193 mph Restricted
  • Most powerful
    415 hp
    309 kW
  • Lightest
    1,395 kg
    3,075 lb
  • Best power-to-weight
    297 hp/t
    222 kW/t
    3.4 kg/hp
  • Best performance score
    81/100

Specification comparison

Specification comparison
ModelPorsche911 (997)GT3 3.6Porsche911 (991)Carrera S 3.8
Power
415hp309kW
400hp298kW
Torque
405Nm299lb-ft
440Nm325lb-ft
Curb weight
1,395kg3,075lb
1,435kg3,164lb
Gross weight
1,680kg3,704lb
1,850kg4,079lb
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Calculated
302 km/h
188 mph
To 99% top speed
62.2s99% target: 317 km/h / 197 mph
Calculated
56.9s99% target: 299 km/h / 186 mph
Calculated
0-100 km/h
4.3s
4.1s
0-200 km/h
12.0s
Calculated
12.0s
Calculated
0-60 mph
4.1s
Calculated
3.9s
Calculated
Fuel consumption
12.8L/100 km18.4mpg US22.1mpg UK
8.7L/100 km27mpg US32.5mpg UK
Fuel consumption city
19.8L/100 km11.9mpg US14.3mpg UK
12.1L/100 km19.4mpg US23.3mpg UK
Fuel consumption highway
8.9L/100 km26.4mpg US31.7mpg UK
6.7L/100 km35.1mpg US42.2mpg UK
Quarter mile
12.1s
Calculated
11.9s
Calculated
Power-to-weight
297hp/t222kW/t135hp/1000 lb
Calculated
279hp/t208kW/t126hp/1000 lb
Calculated
Torque-to-weight
290Nm/t194lb-ft/ton
Calculated
307Nm/t205lb-ft/ton
Calculated
Estimated range
703km437mi
Calculated
736km457mi
Calculated
Displacement
3,600cc220cu in
3,800cc232cu in
Length
4,445mm175in
4,491mm177in
Width
1,808mm71in
1,808mm71in
Height
1,280mm50in
1,295mm51in
Wheelbase
2,355mm93in
2,450mm96in
Front track-
1,538mm61in
Rear track-
1,516mm60in
Trunk volume-
340L
Max trunk volume
105L
-
Doors
2
2
Seats
2
4
Fuel tank
90L
64L
CO2 emissions
307g/km
202g/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) GT3 3.6Porsche 911 (991) Carrera S 3.8PowerTorque
  • Porsche 911 (997) GT3 3.6: Power / Torque
  • Porsche 911 (991) Carrera S 3.8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 (997)GT3 3.67,600 rpm5,500 rpm7,850 rpm
Porsche911 (991)Carrera S 3.87,400 rpm5,600 rpm7,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 (997)GT3 3.6Porsche911 (991)Carrera S 3.8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.1 s
3.9 s
0-100 km/h
0-62 mph
4.3 s
4.1 s
0-200 km/h
0-124 mph
12.0 s
12.0 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Likely limited
302 km/h
188 mph
Drag race simulation
60 ft
18 m
2.2 s
2.1 s
330 ft
101 m
5.5 s
5.3 s
1/8 mile
201 m
8.1 s
7.9 s
1000 ft
305 m
10.3 s
10.1 s
1/4 mile
402 m
12.1 s
11.9 s
Trap speed
1/4 mile
402 m
201 km/h
125 mph
200 km/h
124 mph

Power comparison

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

Chart data table
VehicleValue
Porsche911 (997)GT3 3.6
415 hp
309 kW
Porsche911 (991)Carrera S 3.8
400 hp
298 kW

Porsche 911 (997) GT3 3.6 has 15 hp more than Porsche 911 (991) Carrera S 3.8.

The biggest power difference is between Porsche 911 (991) Carrera S 3.8 and Porsche 911 (997) GT3 3.6: 15 hp (11 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche911 (997)GT3 3.6
405 Nm
299 lb-ft
Porsche911 (991)Carrera S 3.8
440 Nm
325 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche911 (997)GT3 3.6
1,395 kg
3,075 lb
Porsche911 (991)Carrera S 3.8
1,435 kg
3,164 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)GT3 3.6
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Porsche911 (991)Carrera S 3.8
302 km/h
188 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Porsche911 (997)GT3 3.64.3 s
Porsche911 (991)Carrera S 3.84.1 s

Although Porsche 911 (997) GT3 3.6 has more power, Porsche 911 (991) Carrera S 3.8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Porsche 911 (991) Carrera S 3.8 and Porsche 911 (997) GT3 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)GT3 3.6
12.8 L/100 km
18.4 mpg US
22.1 mpg UK
Porsche911 (991)Carrera S 3.8
8.7 L/100 km
27.0 mpg US
32.5 mpg UK

The biggest fuel consumption difference is between Porsche 911 (991) Carrera S 3.8 and Porsche 911 (997) GT3 3.6: 4.1 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)GT3 3.6
297 hp/t
222 kW/t
3.4 kg/hp
Porsche911 (991)Carrera S 3.8
279 hp/t
208 kW/t
3.6 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche911 (997)GT3 3.6
703 km
437 mi
Porsche911 (991)Carrera S 3.8
736 km
457 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 (997)GT3 3.6
415 hp
309 kW
4.3 s
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Porsche911 (991)Carrera S 3.8
400 hp
298 kW
4.1 s
302 km/h
188 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)GT3 3.6
Power
415 hp
309 kW
0-100 km/h4.3 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
4,445 mm
175.0 in
Height
1,280 mm
50.4 in
Porsche911 (991)Carrera S 3.8
Power
400 hp
298 kW
0-100 km/h4.1 s
Top speed
302 km/h
188 mph
Doors/seats
2 doors
4 seats
Trunk
340 L
12.0 cu ft
Length
4,491 mm
176.8 in
Height
1,295 mm
51.0 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)GT3 3.6
Power
415 hp
309 kW
0-100 km/h4.3 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
Porsche911 (991)Carrera S 3.8
Power
400 hp
298 kW
0-100 km/h4.1 s
Top speed
302 km/h
188 mph
8.7 L/100 km
27.0 mpg US
32.5 mpg UK

Porsche 911 (991) Carrera S 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 (997)GT3 3.6
12.8 L/100 km
18.4 mpg US
22.1 mpg UK
4.3 s
Porsche911 (991)Carrera S 3.8
8.7 L/100 km
27.0 mpg US
32.5 mpg UK
4.1 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)GT3 3.6
297 hp/t
222 kW/t
3.4 kg/hp
12.8 L/100 km
18.4 mpg US
22.1 mpg UK
Porsche911 (991)Carrera S 3.8
279 hp/t
208 kW/t
3.6 kg/hp
8.7 L/100 km
27.0 mpg US
32.5 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (997)GT3 3.6Porsche911 (991)Carrera S 3.8
Power
415 hp
309 kW
400 hp
298 kW
Torque
405 Nm
299 lb-ft
440 Nm
325 lb-ft
Acceleration
4.3 s
4.1 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
302 km/h
188 mph
Lightness
1,395 kg
3,075 lb
1,435 kg
3,164 lb
Fuel consumption
12.8 L/100 km
18.4 mpg US
22.1 mpg UK
8.7 L/100 km
27.0 mpg US
32.5 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
105 L
3.7 cu ft
Length
4,445 mm
175.0 in
Height
1,280 mm
50.4 in
Doors/seats
2 doors
4 seats
Trunk
340 L
12.0 cu ft
Length
4,491 mm
176.8 in
Height
1,295 mm
51.0 in
Range score
703 km
437 mi
736 km
457 mi
CO2 score
307 g/km
202 g/km
Trunk score
105 L
3.7 cu ft
340 L
12.0 cu ft
Power-to-weight score
297 hp/t
222 kW/t
3.4 kg/hp
279 hp/t
208 kW/t
3.6 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 (997) GT3 3.6Porsche 911 (991) Carrera S 3.8
Consumption12.8 L/100 km18.4 mpg US22.1 mpg UK8.7 L/100 km27 mpg US32.5 mpg UK
Cost / 100 km22.40 LC100 km15.22 LC100 km
Cost / 100 mi36.05 LC100 mi24.50 LC100 mi
Annual fuel used1,920 L507 US gal422 UK gal1,305 L345 US gal287 UK gal
Annual fuel cost3,360 LC/year2,284 LC/year

Head-to-head comparisons

Porsche 911 (997) GT3 3.6

  • Has 15 hp more
  • Is 40 kg lighter
  • Has 18 km/h (11 mph) higher top speed
  • Has 19 hp/t better power-to-weight

Pros

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

Cons

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

Porsche 911 (991) Carrera S 3.8

  • Has 35 Nm more
  • Is 0.2 s quicker from 0-100 km/h
  • Uses 4.1 L/100 km less fuel
  • Has 33 km (20 mi) more estimated range
  • Has 235 L more trunk volume
  • Emits 105 g/km less CO2

Pros

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

Cons

  • Lowest power
  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 911 (997) GT3 3.6
Porsche 911 (991) Carrera S 3.8
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Porsche 911 (997) GT3 3.6 vs Porsche 911 (991) Carrera S 3.8 - car comparison - FastVsFaster