Car comparison

Porsche 911 (997) GT2 3.6vsPorsche 911 (992) GT3 4.0

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

New comparison

Porsche 911 (997)

GT2 3.6

530 hp3600 ccGasolineRWDManualTurbochargedCoupe2007-2009
VS

Porsche 911 (992)

GT3 4.0

510 hp3996 ccGasolineRWDDual-clutchCoupe2021-2024

Comparison overview

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

Best choices

Porsche 911 (997) GT2 3.6

  • Fastest top speed
    329 km/h
    204 mph
  • Most powerful
    530 hp
    395 kW
  • Highest torque
    680 Nm
    502 lb-ft
  • Best power-to-weight
    368 hp/t
    274 kW/t
    2.7 kg/hp
  • Lowest highway consumption
    8.9 L/100 km
    26.4 mpg US
    31.7 mpg UK
  • Best estimated range
    720 km
    447 mi
  • Best overall score
    72/100
  • Best performance score
    92/100

Porsche 911 (992) GT3 4.0

  • Quickest 0-100 km/h
    3.4 s
  • Lightest
    1,435 kg
    3,164 lb
  • Lowest combined fuel consumption
    12.4 L/100 km
    19.0 mpg US
    22.8 mpg UK
  • Lowest city consumption
    17.3 L/100 km
    13.6 mpg US
    16.3 mpg UK
  • Largest trunk
    132 L
  • Best economy score
    74/100
  • Best practicality score
    32/100

Specification comparison

Specification comparison
ModelPorsche911 (997)GT2 3.6Porsche911 (992)GT3 4.0
Power
530hp395kW
510hp380kW
Torque
680Nm502lb-ft
470Nm347lb-ft
Curb weight
1,440kg3,175lb
1,435kg3,164lb
Gross weight
1,750kg3,858lb
1,782kg3,929lb
Top speed
329 km/h
204 mph
318 km/h
198 mph
To 99% top speed
53.0s99% target: 326 km/h / 202 mph
Calculated
67.9s99% target: 315 km/h / 196 mph
Calculated
0-100 km/h
3.7s
3.4s
0-200 km/h
10.0s
Calculated
10.8s
0-60 mph
3.5s
Calculated
3.2s
Calculated
Fuel consumption
12.5L/100 km18.8mpg US22.6mpg UK
12.4L/100 km19mpg US22.8mpg UK
Fuel consumption city
18.8L/100 km12.5mpg US15.0mpg UK
17.3L/100 km13.6mpg US16.3mpg UK
Fuel consumption highway
8.9L/100 km26.4mpg US31.7mpg UK
9.5L/100 km24.8mpg US29.7mpg UK
Quarter mile
11.3s
Calculated
11.3s
Calculated
Power-to-weight
368hp/t274kW/t167hp/1000 lb
Calculated
355hp/t265kW/t161hp/1000 lb
Calculated
Torque-to-weight
472Nm/t316lb-ft/ton
Calculated
328Nm/t219lb-ft/ton
Calculated
Estimated range
720km447mi
Calculated
516km321mi
Calculated
Displacement
3,600cc220cu in
3,996cc244cu in
Length
4,469mm176in
4,573mm180in
Width
1,852mm73in
1,852mm73in
Height
1,285mm51in
1,279mm50in
Wheelbase
2,350mm93in
2,457mm97in
Front track-
1,601mm63in
Rear track-
1,553mm61in
Trunk volume
105L
132L
Doors
2
2
Seats
2
2
Fuel tank
90L
64L
CO2 emissions
298g/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) GT2 3.6Porsche 911 (992) GT3 4.0PowerTorque
  • Porsche 911 (997) GT2 3.6: Power / Torque
  • Porsche 911 (992) GT3 4.0: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 (997)GT2 3.66,500 rpm2,200-4,500 rpm6,750 rpm
Porsche911 (992)GT3 4.08,400 rpm6,100 rpm9,000 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 (997)GT2 3.6Porsche911 (992)GT3 4.0
Acceleration checkpoints
0-60 mph
0-97 km/h
3.5 s
3.2 s
0-100 km/h
0-62 mph
3.7 s
3.4 s
0-200 km/h
0-124 mph
10.0 s
10.8 s
0-200 mph
0-322 km/h
43.8 s
-
Top speed
329 km/h
204 mph
318 km/h
198 mph
Drag race simulation
60 ft
18 m
2.0 s
1.8 s
330 ft
101 m
5.1 s
4.9 s
1/8 mile
201 m
7.5 s
7.3 s
1000 ft
305 m
9.6 s
9.5 s
1/4 mile
402 m
11.3 s
11.3 s
Trap speed
1/4 mile
402 m
214 km/h
133 mph
204 km/h
127 mph

Power comparison

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

Chart data table
VehicleValue
Porsche911 (997)GT2 3.6
530 hp
395 kW
Porsche911 (992)GT3 4.0
510 hp
380 kW

Porsche 911 (997) GT2 3.6 has 20 hp more than Porsche 911 (992) GT3 4.0.

The biggest power difference is between Porsche 911 (992) GT3 4.0 and Porsche 911 (997) GT2 3.6: 20 hp (15 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche911 (997)GT2 3.6
680 Nm
502 lb-ft
Porsche911 (992)GT3 4.0
470 Nm
347 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche911 (997)GT2 3.6
1,440 kg
3,175 lb
Porsche911 (992)GT3 4.0
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)GT2 3.6
329 km/h
204 mph
Porsche911 (992)GT3 4.0
318 km/h
198 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Porsche911 (997)GT2 3.63.7 s
Porsche911 (992)GT3 4.03.4 s

Although Porsche 911 (997) GT2 3.6 has more power, Porsche 911 (992) GT3 4.0 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Porsche 911 (992) GT3 4.0 and Porsche 911 (997) GT2 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)GT2 3.6
12.5 L/100 km
18.8 mpg US
22.6 mpg UK
Porsche911 (992)GT3 4.0
12.4 L/100 km
19.0 mpg US
22.8 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)GT2 3.6
368 hp/t
274 kW/t
2.7 kg/hp
Porsche911 (992)GT3 4.0
355 hp/t
265 kW/t
2.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche911 (997)GT2 3.6
720 km
447 mi
Porsche911 (992)GT3 4.0
516 km
321 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 (997)GT2 3.6
530 hp
395 kW
3.7 s
329 km/h
204 mph
Porsche911 (992)GT3 4.0
510 hp
380 kW
3.4 s
318 km/h
198 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)GT2 3.6
Power
530 hp
395 kW
0-100 km/h3.7 s
Top speed
329 km/h
204 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 (992)GT3 4.0
Power
510 hp
380 kW
0-100 km/h3.4 s
Top speed
318 km/h
198 mph
Doors/seats
2 doors
2 seats
Trunk
132 L
4.7 cu ft
Length
4,573 mm
180.0 in
Height
1,279 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)GT2 3.6
Power
530 hp
395 kW
0-100 km/h3.7 s
Top speed
329 km/h
204 mph
12.5 L/100 km
18.8 mpg US
22.6 mpg UK
Porsche911 (992)GT3 4.0
Power
510 hp
380 kW
0-100 km/h3.4 s
Top speed
318 km/h
198 mph
12.4 L/100 km
19.0 mpg US
22.8 mpg UK

Porsche 911 (997) GT2 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)GT2 3.6
12.5 L/100 km
18.8 mpg US
22.6 mpg UK
3.7 s
Porsche911 (992)GT3 4.0
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
3.4 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)GT2 3.6
368 hp/t
274 kW/t
2.7 kg/hp
12.5 L/100 km
18.8 mpg US
22.6 mpg UK
Porsche911 (992)GT3 4.0
355 hp/t
265 kW/t
2.8 kg/hp
12.4 L/100 km
19.0 mpg US
22.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (997)GT2 3.6Porsche911 (992)GT3 4.0
Power
530 hp
395 kW
510 hp
380 kW
Torque
680 Nm
502 lb-ft
470 Nm
347 lb-ft
Acceleration
3.7 s
3.4 s
Top speed
329 km/h
204 mph
318 km/h
198 mph
Lightness
1,440 kg
3,175 lb
1,435 kg
3,164 lb
Fuel consumption
12.5 L/100 km
18.8 mpg US
22.6 mpg UK
12.4 L/100 km
19.0 mpg US
22.8 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
2 seats
Trunk
132 L
4.7 cu ft
Length
4,573 mm
180.0 in
Height
1,279 mm
50.4 in
Range score
720 km
447 mi
516 km
321 mi
CO2 score
298 g/km
-
Trunk score
105 L
3.7 cu ft
132 L
4.7 cu ft
Power-to-weight score
368 hp/t
274 kW/t
2.7 kg/hp
355 hp/t
265 kW/t
2.8 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) GT2 3.6Porsche 911 (992) GT3 4.0
Consumption12.5 L/100 km18.8 mpg US22.6 mpg UK12.4 L/100 km19 mpg US22.8 mpg UK
Cost / 100 km21.88 LC100 km21.70 LC100 km
Cost / 100 mi35.20 LC100 mi34.92 LC100 mi
Annual fuel used1,875 L495 US gal412 UK gal1,860 L491 US gal409 UK gal
Annual fuel cost3,281 LC/year3,255 LC/year

Head-to-head comparisons

Porsche 911 (997) GT2 3.6

  • Has 20 hp more
  • Has 210 Nm more
  • Has 11 km/h (7 mph) higher top speed
  • Has 13 hp/t better power-to-weight
  • Has 204 km (127 mi) more estimated range

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Best power-to-weight ratio
  • Best estimated range

Cons

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

Porsche 911 (992) GT3 4.0

  • Is 5 kg lighter
  • Is 0.3 s quicker from 0-100 km/h
  • Uses 0.1 L/100 km less fuel
  • Has 27 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Lowest combined fuel consumption
  • Largest trunk

Cons

  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 911 (997) GT2 3.6
Porsche 911 (992) GT3 4.0
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