Car comparison

Porsche 911 (991) GT3 RS 4.0vsPorsche 911 Targa (992) · Facelift 2024 4S 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 Targa (992) · Facelift 2024

4S 3.0

480 hp2981 ccGasolineAWDDual-clutchTwin-turbo2025-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
  • 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

Porsche 911 Targa (992) Facelift 2024 4S 3.0

  • Highest torque
    530 Nm
    391 lb-ft
  • Lowest combined fuel consumption
    11.0 L/100 km
    21.4 mpg US
    25.7 mpg UK
  • Largest trunk
    163 L
  • Best overall score
    74/100
  • Best economy score
    77/100
  • Best practicality score
    47/100

Specification comparison

Specification comparison
ModelPorsche911 (991)GT3 RS 4.0Porsche911 Targa (992)Facelift 20244S 3.0
Power
500hp373kW
480hp358kW
Torque
460Nm339lb-ft
530Nm391lb-ft
Curb weight
1,420kg3,131lb
1,695kg3,737lb
Gross weight
1,720kg3,792lb
2,085kg4,597lb
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Calculated
308 km/h
191 mph
To 99% top speed
47.9s99% target: 317 km/h / 197 mph
Calculated
85.2s99% target: 305 km/h / 189 mph
Calculated
0-100 km/h
3.3s
3.5s
0-200 km/h
9.2s
Calculated
12.5s
0-60 mph
3.2s
Calculated
3.3s
Calculated
Fuel consumption
12.7L/100 km18.5mpg US22.2mpg UK
11L/100 km21.4mpg US25.7mpg 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
11.6s
Calculated
Power-to-weight
352hp/t263kW/t160hp/1000 lb
Calculated
283hp/t211kW/t128hp/1000 lb
Calculated
Torque-to-weight
324Nm/t217lb-ft/ton
Calculated
313Nm/t209lb-ft/ton
Calculated
Estimated range
504km313mi
Calculated
-
Displacement
3,996cc244cu in
2,981cc182cu in
Length
4,545mm179in
4,542mm179in
Width
1,880mm74in
1,852mm73in
Height
1,291mm51in
1,302mm51in
Wheelbase
2,457mm97in
2,450mm96in
Front track
1,587mm62in
-
Rear track
1,557mm61in
-
Ground clearance-
124mm5in
Trunk volume
125L
163L
Max trunk volume
260L
-
Doors
2
2
Seats
2
4
Fuel tank
64L
-
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 Targa (992)Facelift 20244S 3.0
Acceleration checkpoints
0-60 mph
0-97 km/h
3.2 s
3.3 s
0-100 km/h
0-62 mph
3.3 s
3.5 s
0-200 km/h
0-124 mph
9.2 s
12.5 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Likely limited
308 km/h
191 mph
Drag race simulation
60 ft
18 m
1.9 s
1.8 s
330 ft
101 m
4.9 s
4.9 s
1/8 mile
201 m
7.2 s
7.5 s
1000 ft
305 m
9.2 s
9.7 s
1/4 mile
402 m
10.9 s
11.6 s
Trap speed
1/4 mile
402 m
218 km/h
136 mph
193 km/h
120 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 Targa (992)Facelift 20244S 3.0
480 hp
358 kW

Porsche 911 (991) GT3 RS 4.0 has 20 hp more than Porsche 911 Targa (992) Facelift 2024 4S 3.0.

The biggest power difference is between Porsche 911 Targa (992) Facelift 2024 4S 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 Targa (992)Facelift 20244S 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 RS 4.0
1,420 kg
3,131 lb
Porsche911 Targa (992)Facelift 20244S 3.0
1,695 kg
3,737 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 Targa (992)Facelift 20244S 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 RS 4.03.3 s
Porsche911 Targa (992)Facelift 20244S 3.03.5 s

The biggest 0-100 km/h difference is between Porsche 911 (991) GT3 RS 4.0 and Porsche 911 Targa (992) Facelift 2024 4S 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 RS 4.0
12.7 L/100 km
18.5 mpg US
22.2 mpg UK
Porsche911 Targa (992)Facelift 20244S 3.0
11.0 L/100 km
21.4 mpg US
25.7 mpg UK

The biggest fuel consumption difference is between Porsche 911 Targa (992) Facelift 2024 4S 3.0 and Porsche 911 (991) GT3 RS 4.0: 1.7 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 Targa (992)Facelift 20244S 3.0
283 hp/t
211 kW/t
3.5 kg/hp

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 Targa (992)Facelift 20244S 3.0
480 hp
358 kW
3.5 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 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 Targa (992)Facelift 20244S 3.0
Power
480 hp
358 kW
0-100 km/h3.5 s
Top speed
308 km/h
191 mph
Doors/seats
2 doors
4 seats
Trunk
163 L
5.8 cu ft
Length
4,542 mm
178.8 in
Height
1,302 mm
51.3 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 Targa (992)Facelift 20244S 3.0
Power
480 hp
358 kW
0-100 km/h3.5 s
Top speed
308 km/h
191 mph
11.0 L/100 km
21.4 mpg US
25.7 mpg UK

Porsche 911 Targa (992) Facelift 2024 4S 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 Targa (992)Facelift 20244S 3.0
11.0 L/100 km
21.4 mpg US
25.7 mpg UK
3.5 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 Targa (992)Facelift 20244S 3.0
283 hp/t
211 kW/t
3.5 kg/hp
11.0 L/100 km
21.4 mpg US
25.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (991)GT3 RS 4.0Porsche911 Targa (992)Facelift 20244S 3.0
Power
500 hp
373 kW
480 hp
358 kW
Torque
460 Nm
339 lb-ft
530 Nm
391 lb-ft
Acceleration
3.3 s
3.5 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
308 km/h
191 mph
Lightness
1,420 kg
3,131 lb
1,695 kg
3,737 lb
Fuel consumption
12.7 L/100 km
18.5 mpg US
22.2 mpg UK
11.0 L/100 km
21.4 mpg US
25.7 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
163 L
5.8 cu ft
Length
4,542 mm
178.8 in
Height
1,302 mm
51.3 in
Range score
504 km
313 mi
-
CO2 score
296 g/km
-
Trunk score
125 L
4.4 cu ft
163 L
5.8 cu ft
Power-to-weight score
352 hp/t
263 kW/t
2.8 kg/hp
283 hp/t
211 kW/t
3.5 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 Targa (992) Facelift 2024 4S 3.0
Consumption12.7 L/100 km18.5 mpg US22.2 mpg UK11 L/100 km21.4 mpg US25.7 mpg UK
Cost / 100 km22.22 LC100 km19.25 LC100 km
Cost / 100 mi35.77 LC100 mi30.98 LC100 mi
Annual fuel used1,905 L503 US gal419 UK gal1,650 L436 US gal363 UK gal
Annual fuel cost3,334 LC/year2,888 LC/year

Head-to-head comparisons

Porsche 911 (991) GT3 RS 4.0

  • Has 20 hp more
  • Is 275 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Has 12 km/h (7 mph) higher top speed
  • Has 69 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 Targa (992) Facelift 2024 4S 3.0

  • Has 70 Nm more
  • Uses 1.7 L/100 km less fuel
  • Has 38 L more trunk volume

Pros

  • Highest torque
  • Lowest combined fuel consumption
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • 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 Targa (992) 4S 3.0
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2 vehicles selected

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