Car comparison

Porsche 911 (991) GT3 RS 4.0vsPorsche 911 Cabriolet (992) · Facelift 2024 GT3 S/C 4.0

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 Cabriolet (992) · Facelift 2024

GT3 S/C 4.0

510 hp3996 ccGasolineRWDManualNaturally aspiratedCabriolet / convertible2026-present

Comparison overview

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

Best choices

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
  • Highest torque
    460 Nm
    339 lb-ft
  • Lightest
    1,420 kg
    3,131 lb
  • Best power-to-weight
    352 hp/t
    263 kW/t
    2.8 kg/hp
  • Lowest combined fuel consumption
    12.7 L/100 km
    18.5 mpg US
    22.2 mpg UK
  • Best estimated range
    504 km
    313 mi
  • Best performance score
    89/100
  • Best economy score
    73/100

Specification comparison

Specification comparison
ModelPorsche911 (991)GT3 RS 4.0Porsche911 Cabriolet (992)Facelift 2024GT3 S/C 4.0
Power
500hp373kW
510hp380kW
Torque
460Nm339lb-ft
450Nm332lb-ft
Curb weight
1,420kg3,131lb
1,507kg3,322lb
Gross weight
1,720kg3,792lb
1,767kg3,896lb
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Calculated
313 km/h
194 mph
To 99% top speed
47.9s99% target: 317 km/h / 197 mph
Calculated
67.0s99% target: 310 km/h / 193 mph
Calculated
0-100 km/h
3.3s
3.9s
0-200 km/h
9.2s
Calculated
11.9s
0-60 mph
3.2s
Calculated
3.7s
Calculated
Fuel consumption
12.7L/100 km18.5mpg US22.2mpg UK
13.7L/100 km17.2mpg US20.6mpg UK
Fuel consumption city
19.2L/100 km12.3mpg US14.7mpg UK
-
Fuel consumption highway
8.9L/100 km26.4mpg US31.7mpg UK
-
Quarter mile
10.9s
Calculated
11.8s
Calculated
Power-to-weight
352hp/t263kW/t160hp/1000 lb
Calculated
338hp/t252kW/t154hp/1000 lb
Calculated
Torque-to-weight
324Nm/t217lb-ft/ton
Calculated
299Nm/t200lb-ft/ton
Calculated
Estimated range
504km313mi
Calculated
460km286mi
Calculated
Displacement
3,996cc244cu in
3,996cc244cu in
Length
4,545mm179in
4,570mm180in
Width
1,880mm74in
1,852mm73in
Height
1,291mm51in
1,279mm50in
Wheelbase
2,457mm97in
2,457mm97in
Front track
1,587mm62in
-
Rear track
1,557mm61in
-
Ground clearance-
100mm4in
Trunk volume
125L
373L
Max trunk volume
260L
-
Doors
2
2
Seats
2
2
Fuel tank
64L
63L
CO2 emissions
296g/km
-

Performance charts

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

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 (991)GT3 RS 4.0Porsche911 Cabriolet (992)Facelift 2024GT3 S/C 4.0
Acceleration checkpoints
0-60 mph
0-97 km/h
3.2 s
3.7 s
0-100 km/h
0-62 mph
3.3 s
3.9 s
0-200 km/h
0-124 mph
9.2 s
11.9 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Likely limited
313 km/h
194 mph
Drag race simulation
60 ft
18 m
1.9 s
2.0 s
330 ft
101 m
4.9 s
5.2 s
1/8 mile
201 m
7.2 s
7.7 s
1000 ft
305 m
9.2 s
9.9 s
1/4 mile
402 m
10.9 s
11.8 s
Trap speed
1/4 mile
402 m
218 km/h
136 mph
199 km/h
124 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 Cabriolet (992)Facelift 2024GT3 S/C 4.0
510 hp
380 kW

Porsche 911 Cabriolet (992) Facelift 2024 GT3 S/C 4.0 has 10 hp more than Porsche 911 (991) GT3 RS 4.0.

The biggest power difference is between Porsche 911 (991) GT3 RS 4.0 and Porsche 911 Cabriolet (992) Facelift 2024 GT3 S/C 4.0: 10 hp (7 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 Cabriolet (992)Facelift 2024GT3 S/C 4.0
450 Nm
332 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 Cabriolet (992)Facelift 2024GT3 S/C 4.0
1,507 kg
3,322 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 Cabriolet (992)Facelift 2024GT3 S/C 4.0
313 km/h
194 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 Cabriolet (992)Facelift 2024GT3 S/C 4.03.9 s

Although Porsche 911 Cabriolet (992) Facelift 2024 GT3 S/C 4.0 has more power, Porsche 911 (991) GT3 RS 4.0 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Porsche 911 (991) GT3 RS 4.0 and Porsche 911 Cabriolet (992) Facelift 2024 GT3 S/C 4.0: 0.6 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 Cabriolet (992)Facelift 2024GT3 S/C 4.0
13.7 L/100 km
17.2 mpg US
20.6 mpg UK

The biggest fuel consumption difference is between Porsche 911 (991) GT3 RS 4.0 and Porsche 911 Cabriolet (992) Facelift 2024 GT3 S/C 4.0: 1.0 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 Cabriolet (992)Facelift 2024GT3 S/C 4.0
338 hp/t
252 kW/t
3.0 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 Cabriolet (992)Facelift 2024GT3 S/C 4.0
460 km
286 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 Cabriolet (992)Facelift 2024GT3 S/C 4.0
510 hp
380 kW
3.9 s
313 km/h
194 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 Cabriolet (992)Facelift 2024GT3 S/C 4.0
Power
510 hp
380 kW
0-100 km/h3.9 s
Top speed
313 km/h
194 mph
Doors/seats
2 doors
2 seats
Trunk
373 L
13.2 cu ft
Length
4,570 mm
179.9 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 (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 Cabriolet (992)Facelift 2024GT3 S/C 4.0
Power
510 hp
380 kW
0-100 km/h3.9 s
Top speed
313 km/h
194 mph
13.7 L/100 km
17.2 mpg US
20.6 mpg UK

Porsche 911 (991) GT3 RS 4.0 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 Cabriolet (992)Facelift 2024GT3 S/C 4.0
13.7 L/100 km
17.2 mpg US
20.6 mpg UK
3.9 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 Cabriolet (992)Facelift 2024GT3 S/C 4.0
338 hp/t
252 kW/t
3.0 kg/hp
13.7 L/100 km
17.2 mpg US
20.6 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (991)GT3 RS 4.0Porsche911 Cabriolet (992)Facelift 2024GT3 S/C 4.0
Power
500 hp
373 kW
510 hp
380 kW
Torque
460 Nm
339 lb-ft
450 Nm
332 lb-ft
Acceleration
3.3 s
3.9 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
313 km/h
194 mph
Lightness
1,420 kg
3,131 lb
1,507 kg
3,322 lb
Fuel consumption
12.7 L/100 km
18.5 mpg US
22.2 mpg UK
13.7 L/100 km
17.2 mpg US
20.6 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
2 seats
Trunk
373 L
13.2 cu ft
Length
4,570 mm
179.9 in
Height
1,279 mm
50.4 in
Range score
504 km
313 mi
460 km
286 mi
CO2 score
296 g/km
-
Trunk score
125 L
4.4 cu ft
373 L
13.2 cu ft
Power-to-weight score
352 hp/t
263 kW/t
2.8 kg/hp
338 hp/t
252 kW/t
3.0 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 Cabriolet (992) Facelift 2024 GT3 S/C 4.0
Consumption12.7 L/100 km18.5 mpg US22.2 mpg UK13.7 L/100 km17.2 mpg US20.6 mpg UK
Cost / 100 km22.22 LC100 km23.97 LC100 km
Cost / 100 mi35.77 LC100 mi38.58 LC100 mi
Annual fuel used1,905 L503 US gal419 UK gal2,055 L543 US gal452 UK gal
Annual fuel cost3,334 LC/year3,596 LC/year

Head-to-head comparisons

Porsche 911 (991) GT3 RS 4.0

  • Has 10 Nm more
  • Is 87 kg lighter
  • Is 0.6 s quicker from 0-100 km/h
  • Has 7 km/h (4 mph) higher top speed
  • Uses 1.0 L/100 km less fuel
  • Has 14 hp/t better power-to-weight
  • Has 44 km (27 mi) more estimated range

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range

Cons

  • Lowest power
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 911 (991) GT3 RS 4.0
Porsche 911 Cabriolet (992) GT3 S/C 4.0
Compare selected cars
2 vehicles selected

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