Car comparison

Porsche 911 (991) GT3 3.8vsPorsche 911 (992) Carrera S 3.0

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

New comparison

Porsche 911 (991)

GT3 3.8

475 hp3799 ccGasolineRWDDual-clutchNaturally aspiratedCoupe2013-2017
VS

Porsche 911 (992)

Carrera S 3.0

450 hp2981 ccGasolineRWDDual-clutchTwin-turboCoupe2018-2024

Comparison overview

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

Best choices

Porsche 911 (991) GT3 3.8

  • Quickest 0-100 km/h
    3.5 s
  • Fastest top speed
    315 km/h
    196 mph
  • Most powerful
    475 hp
    354 kW
  • Lightest
    1,430 kg
    3,153 lb
  • Best power-to-weight
    332 hp/t
    248 kW/t
    3.0 kg/hp
  • Largest trunk
    385 L
  • Best overall score
    72/100
  • Best performance score
    86/100
  • Best practicality score
    41/100

Porsche 911 (992) Carrera S 3.0

  • Highest torque
    530 Nm
    391 lb-ft
  • Lowest combined fuel consumption
    8.9 L/100 km
    26.4 mpg US
    31.7 mpg UK
  • Lowest city consumption
    10.7 L/100 km
    22.0 mpg US
    26.4 mpg UK
  • Lowest highway consumption
    7.9 L/100 km
    29.8 mpg US
    35.8 mpg UK
  • Lowest CO2 emissions
    205 g/km
  • Best estimated range
    719 km
    447 mi
  • Best economy score
    83/100

Specification comparison

Specification comparison
ModelPorsche911 (991)GT3 3.8Porsche911 (992)Carrera S 3.0
Power
475hp354kW
450hp336kW
Torque
440Nm325lb-ft
530Nm391lb-ft
Curb weight
1,430kg3,153lb
1,515kg3,340lb
Gross weight
1,720kg3,792lb
1,985kg4,376lb
Top speed
315 km/h
196 mph
308 km/h
191 mph
To 99% top speed
50.5s99% target: 312 km/h / 194 mph
Calculated
76.8s99% target: 305 km/h / 189 mph
Calculated
0-100 km/h
3.5s
3.7s
0-200 km/h
9.9s
Calculated
12.4s
0-60 mph
3.3s
Calculated
3.5s
Calculated
Fuel consumption
12.4L/100 km19mpg US22.8mpg UK
8.9L/100 km26.4mpg US31.7mpg UK
Fuel consumption city
18.9L/100 km12.4mpg US14.9mpg UK
10.7L/100 km22mpg US26.4mpg UK
Fuel consumption highway
8.9L/100 km26.4mpg US31.7mpg UK
7.9L/100 km29.8mpg US35.8mpg UK
Quarter mile
11.2s
Calculated
11.7s
Calculated
Power-to-weight
332hp/t248kW/t151hp/1000 lb
Calculated
297hp/t221kW/t135hp/1000 lb
Calculated
Torque-to-weight
308Nm/t206lb-ft/ton
Calculated
350Nm/t234lb-ft/ton
Calculated
Estimated range
516km321mi
Calculated
719km447mi
Calculated
Displacement
3,799cc232cu in
2,981cc182cu in
Length
4,545mm179in
4,519mm178in
Width
1,852mm73in
1,852mm73in
Height
1,269mm50in
1,300mm51in
Wheelbase
2,457mm97in
2,450mm96in
Front track
1,551mm61in
1,589mm63in
Rear track
1,555mm61in
1,557mm61in
Trunk volume
385L
132L
Doors
2
2
Seats
2
4
Fuel tank
64L
64L
CO2 emissions
289g/km
205g/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) GT3 3.8Porsche 911 (992) Carrera S 3.0PowerTorque
  • Porsche 911 (991) GT3 3.8: Power / Torque
  • Porsche 911 (992) Carrera S 3.0: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 (991)GT3 3.88,250 rpm6,250 rpm8,500 rpm
Porsche911 (992)Carrera S 3.06,500 rpm2,300-5,000 rpm7,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 (991)GT3 3.8Porsche911 (992)Carrera S 3.0
Acceleration checkpoints
0-60 mph
0-97 km/h
3.3 s
3.5 s
0-100 km/h
0-62 mph
3.5 s
3.7 s
0-200 km/h
0-124 mph
9.9 s
12.4 s
Top speed
315 km/h
196 mph
308 km/h
191 mph
Drag race simulation
60 ft
18 m
2.0 s
1.9 s
330 ft
101 m
5.0 s
5.0 s
1/8 mile
201 m
7.4 s
7.6 s
1000 ft
305 m
9.4 s
9.8 s
1/4 mile
402 m
11.2 s
11.7 s
Trap speed
1/4 mile
402 m
213 km/h
132 mph
195 km/h
121 mph

Power comparison

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

Chart data table
VehicleValue
Porsche911 (991)GT3 3.8
475 hp
354 kW
Porsche911 (992)Carrera S 3.0
450 hp
336 kW

Porsche 911 (991) GT3 3.8 has 25 hp more than Porsche 911 (992) Carrera S 3.0.

The biggest power difference is between Porsche 911 (992) Carrera S 3.0 and Porsche 911 (991) GT3 3.8: 25 hp (19 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche911 (991)GT3 3.8
440 Nm
325 lb-ft
Porsche911 (992)Carrera S 3.0
530 Nm
391 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche911 (991)GT3 3.8
1,430 kg
3,153 lb
Porsche911 (992)Carrera S 3.0
1,515 kg
3,340 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)GT3 3.8
315 km/h
196 mph
Porsche911 (992)Carrera S 3.0
308 km/h
191 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Porsche911 (991)GT3 3.83.5 s
Porsche911 (992)Carrera S 3.03.7 s

The biggest 0-100 km/h difference is between Porsche 911 (991) GT3 3.8 and Porsche 911 (992) Carrera S 3.0: 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 (991)GT3 3.8
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
Porsche911 (992)Carrera S 3.0
8.9 L/100 km
26.4 mpg US
31.7 mpg UK

The biggest fuel consumption difference is between Porsche 911 (992) Carrera S 3.0 and Porsche 911 (991) GT3 3.8: 3.5 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 (991)GT3 3.8
332 hp/t
248 kW/t
3.0 kg/hp
Porsche911 (992)Carrera S 3.0
297 hp/t
221 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 (991)GT3 3.8
516 km
321 mi
Porsche911 (992)Carrera S 3.0
719 km
447 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 (991)GT3 3.8
475 hp
354 kW
3.5 s
315 km/h
196 mph
Porsche911 (992)Carrera S 3.0
450 hp
336 kW
3.7 s
308 km/h
191 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)GT3 3.8
Power
475 hp
354 kW
0-100 km/h3.5 s
Top speed
315 km/h
196 mph
Doors/seats
2 doors
2 seats
Trunk
385 L
13.6 cu ft
Length
4,545 mm
178.9 in
Height
1,269 mm
50.0 in
Porsche911 (992)Carrera S 3.0
Power
450 hp
336 kW
0-100 km/h3.7 s
Top speed
308 km/h
191 mph
Doors/seats
2 doors
4 seats
Trunk
132 L
4.7 cu ft
Length
4,519 mm
177.9 in
Height
1,300 mm
51.2 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)GT3 3.8
Power
475 hp
354 kW
0-100 km/h3.5 s
Top speed
315 km/h
196 mph
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
Porsche911 (992)Carrera S 3.0
Power
450 hp
336 kW
0-100 km/h3.7 s
Top speed
308 km/h
191 mph
8.9 L/100 km
26.4 mpg US
31.7 mpg UK

Porsche 911 (992) Carrera S 3.0 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)GT3 3.8
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
3.5 s
Porsche911 (992)Carrera S 3.0
8.9 L/100 km
26.4 mpg US
31.7 mpg UK
3.7 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)GT3 3.8
332 hp/t
248 kW/t
3.0 kg/hp
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
Porsche911 (992)Carrera S 3.0
297 hp/t
221 kW/t
3.4 kg/hp
8.9 L/100 km
26.4 mpg US
31.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (991)GT3 3.8Porsche911 (992)Carrera S 3.0
Power
475 hp
354 kW
450 hp
336 kW
Torque
440 Nm
325 lb-ft
530 Nm
391 lb-ft
Acceleration
3.5 s
3.7 s
Top speed
315 km/h
196 mph
308 km/h
191 mph
Lightness
1,430 kg
3,153 lb
1,515 kg
3,340 lb
Fuel consumption
12.4 L/100 km
19.0 mpg US
22.8 mpg UK
8.9 L/100 km
26.4 mpg US
31.7 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
385 L
13.6 cu ft
Length
4,545 mm
178.9 in
Height
1,269 mm
50.0 in
Doors/seats
2 doors
4 seats
Trunk
132 L
4.7 cu ft
Length
4,519 mm
177.9 in
Height
1,300 mm
51.2 in
Range score
516 km
321 mi
719 km
447 mi
CO2 score
289 g/km
205 g/km
Trunk score
385 L
13.6 cu ft
132 L
4.7 cu ft
Power-to-weight score
332 hp/t
248 kW/t
3.0 kg/hp
297 hp/t
221 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 (991) GT3 3.8Porsche 911 (992) Carrera S 3.0
Consumption12.4 L/100 km19 mpg US22.8 mpg UK8.9 L/100 km26.4 mpg US31.7 mpg UK
Cost / 100 km21.70 LC100 km15.58 LC100 km
Cost / 100 mi34.92 LC100 mi25.07 LC100 mi
Annual fuel used1,860 L491 US gal409 UK gal1,335 L353 US gal294 UK gal
Annual fuel cost3,255 LC/year2,336 LC/year

Head-to-head comparisons

Porsche 911 (991) GT3 3.8

  • Has 25 hp more
  • Is 85 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Has 7 km/h (4 mph) higher top speed
  • Has 35 hp/t better power-to-weight
  • Has 253 L more trunk volume

Pros

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

Cons

  • Highest combined fuel consumption
  • Highest CO2 emissions

Porsche 911 (992) Carrera S 3.0

  • Has 90 Nm more
  • Uses 3.5 L/100 km less fuel
  • Has 203 km (126 mi) more estimated range
  • Emits 84 g/km less CO2

Pros

  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Heaviest
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 911 (991) GT3 3.8
Porsche 911 (992) Carrera S 3.0
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Porsche 911 (991) GT3 3.8 vs Porsche 911 (992) Carrera S 3.0 - car comparison - FastVsFaster