Car comparison

Porsche 911 (991) GT3 RS 4.0vsPorsche 911 (992) Carrera 4 GTS 3.0

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

New comparison

Porsche 911 (991)

GT3 RS 4.0

500 hp3996 ccGasolineRWDDual-clutchNaturally aspiratedCoupe2015-2017
VS

Porsche 911 (992)

Carrera 4 GTS 3.0

480 hp2981 ccGasolineAWDDual-clutchTwin-turboCoupe2021-2024

Comparison overview

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

Best choices

Porsche 911 (992) Carrera 4 GTS 3.0

  • Highest torque
    570 Nm
    420 lb-ft
  • Lowest combined fuel consumption
    9.7 L/100 km
    24.2 mpg US
    29.1 mpg UK
  • Lowest city consumption
    13.5 L/100 km
    17.4 mpg US
    20.9 mpg UK
  • Lowest highway consumption
    7.6 L/100 km
    30.9 mpg US
    37.2 mpg UK
  • Best estimated range
    691 km
    429 mi
  • Largest trunk
    264 L
  • Best overall score
    75/100
  • Best economy score
    81/100
  • Best practicality score
    46/100

Porsche 911 (991) GT3 RS 4.0

  • Quickest 0-100 km/h
    3.3 s
  • Fastest top speed
    320 km/h
    199 mph Unrestricted
    310 km/h
    193 mph Restricted
  • Most powerful
    500 hp
    373 kW
  • Lightest
    1,420 kg
    3,131 lb
  • Best power-to-weight
    352 hp/t
    263 kW/t
    2.8 kg/hp
  • Best performance score
    89/100

Specification comparison

Specification comparison
ModelPorsche911 (991)GT3 RS 4.0Porsche911 (992)Carrera 4 GTS 3.0
Power
500hp373kW
480hp358kW
Torque
460Nm339lb-ft
570Nm420lb-ft
Curb weight
1,420kg3,131lb
1,595kg3,516lb
Gross weight
1,720kg3,792lb
2,010kg4,431lb
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Calculated
Unrestricted
315 km/h196 mph
Restricted
309 km/h192 mph
Calculated
To 99% top speed
47.9s99% target: 317 km/h / 197 mph
Calculated
86.8s99% target: 312 km/h / 194 mph
Calculated
0-100 km/h
3.3s
3.3s
0-200 km/h
9.2s
Calculated
11.8s
0-60 mph
3.2s
Calculated
3.1s
Calculated
Fuel consumption
12.7L/100 km18.5mpg US22.2mpg UK
9.7L/100 km24.2mpg US29.1mpg UK
Fuel consumption city
19.2L/100 km12.3mpg US14.7mpg UK
13.5L/100 km17.4mpg US20.9mpg UK
Fuel consumption highway
8.9L/100 km26.4mpg US31.7mpg UK
7.6L/100 km30.9mpg US37.2mpg UK
Quarter mile
10.9s
Calculated
11.3s
Calculated
Power-to-weight
352hp/t263kW/t160hp/1000 lb
Calculated
301hp/t224kW/t137hp/1000 lb
Calculated
Torque-to-weight
324Nm/t217lb-ft/ton
Calculated
357Nm/t239lb-ft/ton
Calculated
Estimated range
504km313mi
Calculated
691km429mi
Calculated
Displacement
3,996cc244cu in
2,981cc182cu in
Length
4,545mm179in
4,533mm178in
Width
1,880mm74in
1,852mm73in
Height
1,291mm51in
1,301mm51in
Wheelbase
2,457mm97in
2,450mm96in
Front track
1,587mm62in
-
Rear track
1,557mm61in
-
Trunk volume
125L
264L
Max trunk volume
260L
-
Doors
2
2
Seats
2
4
Fuel tank
64L
67L
CO2 emissions
296g/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 RS 4.0Porsche 911 (992) Carrera 4 GTS 3.0PowerTorque
  • Porsche 911 (991) GT3 RS 4.0: Power / Torque
  • Porsche 911 (992) Carrera 4 GTS 3.0: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 (991)GT3 RS 4.08,250 rpm6,250 rpm8,500 rpm
Porsche911 (992)Carrera 4 GTS 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 RS 4.0Porsche911 (992)Carrera 4 GTS 3.0
Acceleration checkpoints
0-60 mph
0-97 km/h
3.2 s
3.1 s
0-100 km/h
0-62 mph
3.3 s
3.3 s
0-200 km/h
0-124 mph
9.2 s
11.8 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Likely limited
Unrestricted
315 km/h196 mph
Restricted
309 km/h192 mph
Likely limited
Drag race simulation
60 ft
18 m
1.9 s
1.7 s
330 ft
101 m
4.9 s
4.8 s
1/8 mile
201 m
7.2 s
7.3 s
1000 ft
305 m
9.2 s
9.5 s
1/4 mile
402 m
10.9 s
11.3 s
Trap speed
1/4 mile
402 m
218 km/h
136 mph
197 km/h
122 mph

Power comparison

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

Chart data table
VehicleValue
Porsche911 (991)GT3 RS 4.0
500 hp
373 kW
Porsche911 (992)Carrera 4 GTS 3.0
480 hp
358 kW

Porsche 911 (991) GT3 RS 4.0 has 20 hp more than Porsche 911 (992) Carrera 4 GTS 3.0.

The biggest power difference is between Porsche 911 (992) Carrera 4 GTS 3.0 and Porsche 911 (991) GT3 RS 4.0: 20 hp (15 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche911 (991)GT3 RS 4.0
460 Nm
339 lb-ft
Porsche911 (992)Carrera 4 GTS 3.0
570 Nm
420 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche911 (991)GT3 RS 4.0
1,420 kg
3,131 lb
Porsche911 (992)Carrera 4 GTS 3.0
1,595 kg
3,516 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 RS 4.0
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Porsche911 (992)Carrera 4 GTS 3.0
Unrestricted
315 km/h196 mph
Restricted
309 km/h192 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 RS 4.03.3 s
Porsche911 (992)Carrera 4 GTS 3.03.3 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 (991)GT3 RS 4.0
12.7 L/100 km
18.5 mpg US
22.2 mpg UK
Porsche911 (992)Carrera 4 GTS 3.0
9.7 L/100 km
24.2 mpg US
29.1 mpg UK

The biggest fuel consumption difference is between Porsche 911 (992) Carrera 4 GTS 3.0 and Porsche 911 (991) GT3 RS 4.0: 3.0 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 RS 4.0
352 hp/t
263 kW/t
2.8 kg/hp
Porsche911 (992)Carrera 4 GTS 3.0
301 hp/t
224 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 (991)GT3 RS 4.0
504 km
313 mi
Porsche911 (992)Carrera 4 GTS 3.0
691 km
429 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 (991)GT3 RS 4.0
500 hp
373 kW
3.3 s
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Porsche911 (992)Carrera 4 GTS 3.0
480 hp
358 kW
3.3 s
Unrestricted
315 km/h196 mph
Restricted
309 km/h192 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 RS 4.0
Power
500 hp
373 kW
0-100 km/h3.3 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Doors/seats
2 doors
2 seats
Trunk
125 L
4.4 cu ft
Length
4,545 mm
178.9 in
Height
1,291 mm
50.8 in
Porsche911 (992)Carrera 4 GTS 3.0
Power
480 hp
358 kW
0-100 km/h3.3 s
Top speed
Unrestricted
315 km/h196 mph
Restricted
309 km/h192 mph
Doors/seats
2 doors
4 seats
Trunk
264 L
9.3 cu ft
Length
4,533 mm
178.5 in
Height
1,301 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 RS 4.0
Power
500 hp
373 kW
0-100 km/h3.3 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
12.7 L/100 km
18.5 mpg US
22.2 mpg UK
Porsche911 (992)Carrera 4 GTS 3.0
Power
480 hp
358 kW
0-100 km/h3.3 s
Top speed
Unrestricted
315 km/h196 mph
Restricted
309 km/h192 mph
9.7 L/100 km
24.2 mpg US
29.1 mpg UK

Porsche 911 (992) Carrera 4 GTS 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 RS 4.0
12.7 L/100 km
18.5 mpg US
22.2 mpg UK
3.3 s
Porsche911 (992)Carrera 4 GTS 3.0
9.7 L/100 km
24.2 mpg US
29.1 mpg UK
3.3 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 RS 4.0
352 hp/t
263 kW/t
2.8 kg/hp
12.7 L/100 km
18.5 mpg US
22.2 mpg UK
Porsche911 (992)Carrera 4 GTS 3.0
301 hp/t
224 kW/t
3.3 kg/hp
9.7 L/100 km
24.2 mpg US
29.1 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (991)GT3 RS 4.0Porsche911 (992)Carrera 4 GTS 3.0
Power
500 hp
373 kW
480 hp
358 kW
Torque
460 Nm
339 lb-ft
570 Nm
420 lb-ft
Acceleration
3.3 s
3.3 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Unrestricted
315 km/h196 mph
Restricted
309 km/h192 mph
Lightness
1,420 kg
3,131 lb
1,595 kg
3,516 lb
Fuel consumption
12.7 L/100 km
18.5 mpg US
22.2 mpg UK
9.7 L/100 km
24.2 mpg US
29.1 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
125 L
4.4 cu ft
Length
4,545 mm
178.9 in
Height
1,291 mm
50.8 in
Doors/seats
2 doors
4 seats
Trunk
264 L
9.3 cu ft
Length
4,533 mm
178.5 in
Height
1,301 mm
51.2 in
Range score
504 km
313 mi
691 km
429 mi
CO2 score
296 g/km
-
Trunk score
125 L
4.4 cu ft
264 L
9.3 cu ft
Power-to-weight score
352 hp/t
263 kW/t
2.8 kg/hp
301 hp/t
224 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 (991) GT3 RS 4.0Porsche 911 (992) Carrera 4 GTS 3.0
Consumption12.7 L/100 km18.5 mpg US22.2 mpg UK9.7 L/100 km24.2 mpg US29.1 mpg UK
Cost / 100 km22.22 LC100 km16.97 LC100 km
Cost / 100 mi35.77 LC100 mi27.32 LC100 mi
Annual fuel used1,905 L503 US gal419 UK gal1,455 L384 US gal320 UK gal
Annual fuel cost3,334 LC/year2,546 LC/year

Head-to-head comparisons

Porsche 911 (991) GT3 RS 4.0

  • Has 20 hp more
  • Is 175 kg lighter
  • Has 5 km/h (3 mph) higher top speed
  • Has 51 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption
  • Smallest trunk

Porsche 911 (992) Carrera 4 GTS 3.0

  • Has 110 Nm more
  • Uses 3.0 L/100 km less fuel
  • Has 187 km (116 mi) more estimated range
  • Has 139 L more trunk volume

Pros

  • 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 (991) GT3 RS 4.0
Porsche 911 (992) Carrera 4 GTS 3.0
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