Car comparison

Porsche 911 (991 II) Carrera GTS 3.0vsPorsche 911 (997) · Facelift 2008 GT3 RS 3.8

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

New comparison

Porsche 911 (991 II)

Carrera GTS 3.0

450 hp2981 ccGasolineRWDDual-clutchTwin-turboCoupe2017-2018
VS

Porsche 911 (997) · Facelift 2008

GT3 RS 3.8

450 hp3797 ccGasolineRWDManualNaturally aspiratedCoupe2009-2011

Comparison overview

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

Best choices

Porsche 911 (991 II) Carrera GTS 3.0

  • Quickest 0-100 km/h
    3.7 s
  • Fastest top speed
    320 km/h
    199 mph Unrestricted
    310 km/h
    193 mph Restricted
  • Most powerful
    450 hp
    336 kW
  • Highest torque
    550 Nm
    406 lb-ft
  • Lowest combined fuel consumption
    8.3 L/100 km
    28.3 mpg US
    34.0 mpg UK
  • Lowest city consumption
    10.7 L/100 km
    22.0 mpg US
    26.4 mpg UK
  • Lowest highway consumption
    6.9 L/100 km
    34.1 mpg US
    40.9 mpg UK
  • Lowest CO2 emissions
    188 g/km
  • Best estimated range
    771 km
    479 mi
  • Largest trunk
    385 L
  • Best overall score
    75/100
  • Best performance score
    87/100
  • Best economy score
    85/100
  • Best practicality score
    51/100

Specification comparison

Specification comparison
ModelPorsche911 (991 II)Carrera GTS 3.0Porsche911 (997)Facelift 2008GT3 RS 3.8
Power
450hp336kW
450hp336kW
Torque
550Nm406lb-ft
430Nm317lb-ft
Curb weight
1,470kg3,241lb
1,370kg3,020lb
Gross weight
1,935kg4,266lb
1,680kg3,704lb
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Calculated
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Calculated
To 99% top speed
86.6s99% target: 317 km/h / 197 mph
Calculated
58.5s99% target: 317 km/h / 197 mph
Calculated
0-100 km/h
3.7s
4.0s
0-200 km/h
12.4s
11.2s
Calculated
0-60 mph
3.5s
Calculated
3.8s
Calculated
Fuel consumption
8.3L/100 km28.3mpg US34.0mpg UK
13.2L/100 km17.8mpg US21.4mpg UK
Fuel consumption city
10.7L/100 km22mpg US26.4mpg UK
19.4L/100 km12.1mpg US14.6mpg UK
Fuel consumption highway
6.9L/100 km34.1mpg US40.9mpg UK
9.6L/100 km24.5mpg US29.4mpg UK
Quarter mile
11.7s
Calculated
11.7s
Calculated
Power-to-weight
306hp/t228kW/t139hp/1000 lb
Calculated
328hp/t245kW/t149hp/1000 lb
Calculated
Torque-to-weight
374Nm/t250lb-ft/ton
Calculated
314Nm/t210lb-ft/ton
Calculated
Estimated range
771km479mi
Calculated
508km315mi
Calculated
Displacement
2,981cc182cu in
3,797cc232cu in
Length
4,528mm178in
4,460mm176in
Width
1,852mm73in
1,808mm71in
Height
1,284mm51in
1,280mm50in
Wheelbase
2,450mm96in
2,355mm93in
Front track
1,541mm61in
-
Rear track
1,544mm61in
-
Max trunk volume
385L
105L
Doors
2
2
Seats
4
2
Fuel tank
64L
67L
CO2 emissions
188g/km
314g/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 II) Carrera GTS 3.0Porsche 911 (997) Facelift 2008 GT3 RS 3.8PowerTorque
  • Porsche 911 (991 II) Carrera GTS 3.0: Power / Torque
  • Porsche 911 (997) Facelift 2008 GT3 RS 3.8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 (991 II)Carrera GTS 3.06,500 rpm2,150-5,000 rpm7,500 rpm
Porsche911 (997)Facelift 2008GT3 RS 3.87,900 rpm6,750 rpm8,150 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 (991 II)Carrera GTS 3.0Porsche911 (997)Facelift 2008GT3 RS 3.8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.5 s
3.8 s
0-100 km/h
0-62 mph
3.7 s
4.0 s
0-200 km/h
0-124 mph
12.4 s
11.2 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Likely limited
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Likely limited
Drag race simulation
60 ft
18 m
1.8 s
2.1 s
330 ft
101 m
5.0 s
5.3 s
1/8 mile
201 m
7.6 s
7.8 s
1000 ft
305 m
9.8 s
10.0 s
1/4 mile
402 m
11.7 s
11.7 s
Trap speed
1/4 mile
402 m
195 km/h
121 mph
205 km/h
128 mph

Power comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)Carrera GTS 3.0
450 hp
336 kW
Porsche911 (997)Facelift 2008GT3 RS 3.8
450 hp
336 kW

Torque comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)Carrera GTS 3.0
550 Nm
406 lb-ft
Porsche911 (997)Facelift 2008GT3 RS 3.8
430 Nm
317 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)Carrera GTS 3.0
1,470 kg
3,241 lb
Porsche911 (997)Facelift 2008GT3 RS 3.8
1,370 kg
3,020 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 II)Carrera GTS 3.0
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Porsche911 (997)Facelift 2008GT3 RS 3.8
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)Carrera GTS 3.03.7 s
Porsche911 (997)Facelift 2008GT3 RS 3.84.0 s

The biggest 0-100 km/h difference is between Porsche 911 (991 II) Carrera GTS 3.0 and Porsche 911 (997) Facelift 2008 GT3 RS 3.8: 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 (991 II)Carrera GTS 3.0
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
Porsche911 (997)Facelift 2008GT3 RS 3.8
13.2 L/100 km
17.8 mpg US
21.4 mpg UK

The biggest fuel consumption difference is between Porsche 911 (991 II) Carrera GTS 3.0 and Porsche 911 (997) Facelift 2008 GT3 RS 3.8: 4.9 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 II)Carrera GTS 3.0
306 hp/t
228 kW/t
3.3 kg/hp
Porsche911 (997)Facelift 2008GT3 RS 3.8
328 hp/t
245 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 II)Carrera GTS 3.0
771 km
479 mi
Porsche911 (997)Facelift 2008GT3 RS 3.8
508 km
315 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 (991 II)Carrera GTS 3.0
450 hp
336 kW
3.7 s
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Porsche911 (997)Facelift 2008GT3 RS 3.8
450 hp
336 kW
4.0 s
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 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 II)Carrera GTS 3.0
Power
450 hp
336 kW
0-100 km/h3.7 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Doors/seats
2 doors
4 seats
Trunk
385 L
13.6 cu ft
Length
4,528 mm
178.3 in
Height
1,284 mm
50.6 in
Porsche911 (997)Facelift 2008GT3 RS 3.8
Power
450 hp
336 kW
0-100 km/h4.0 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Doors/seats
2 doors
2 seats
Trunk
105 L
3.7 cu ft
Length
4,460 mm
175.6 in
Height
1,280 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 II)Carrera GTS 3.0
Power
450 hp
336 kW
0-100 km/h3.7 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
Porsche911 (997)Facelift 2008GT3 RS 3.8
Power
450 hp
336 kW
0-100 km/h4.0 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
13.2 L/100 km
17.8 mpg US
21.4 mpg UK

Porsche 911 (991 II) Carrera 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 II)Carrera GTS 3.0
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
3.7 s
Porsche911 (997)Facelift 2008GT3 RS 3.8
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
4.0 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 II)Carrera GTS 3.0
306 hp/t
228 kW/t
3.3 kg/hp
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
Porsche911 (997)Facelift 2008GT3 RS 3.8
328 hp/t
245 kW/t
3.0 kg/hp
13.2 L/100 km
17.8 mpg US
21.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (991 II)Carrera GTS 3.0Porsche911 (997)Facelift 2008GT3 RS 3.8
Power
450 hp
336 kW
450 hp
336 kW
Torque
550 Nm
406 lb-ft
430 Nm
317 lb-ft
Acceleration
3.7 s
4.0 s
Top speed
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Unrestricted
320 km/h199 mph
Restricted
310 km/h193 mph
Lightness
1,470 kg
3,241 lb
1,370 kg
3,020 lb
Fuel consumption
8.3 L/100 km
28.3 mpg US
34.0 mpg UK
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
385 L
13.6 cu ft
Length
4,528 mm
178.3 in
Height
1,284 mm
50.6 in
Doors/seats
2 doors
2 seats
Trunk
105 L
3.7 cu ft
Length
4,460 mm
175.6 in
Height
1,280 mm
50.4 in
Range score
771 km
479 mi
508 km
315 mi
CO2 score
188 g/km
314 g/km
Trunk score
385 L
13.6 cu ft
105 L
3.7 cu ft
Power-to-weight score
306 hp/t
228 kW/t
3.3 kg/hp
328 hp/t
245 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 II) Carrera GTS 3.0Porsche 911 (997) Facelift 2008 GT3 RS 3.8
Consumption8.3 L/100 km28.3 mpg US34 mpg UK13.2 L/100 km17.8 mpg US21.4 mpg UK
Cost / 100 km14.53 LC100 km23.10 LC100 km
Cost / 100 mi23.38 LC100 mi37.18 LC100 mi
Annual fuel used1,245 L329 US gal274 UK gal1,980 L523 US gal436 UK gal
Annual fuel cost2,179 LC/year3,465 LC/year

Head-to-head comparisons

Porsche 911 (991 II) Carrera GTS 3.0

  • Has 120 Nm more
  • Is 0.3 s quicker from 0-100 km/h
  • Uses 4.9 L/100 km less fuel
  • Has 264 km (164 mi) more estimated range
  • Has 280 L more trunk volume
  • Emits 126 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Heaviest

Porsche 911 (997) Facelift 2008 GT3 RS 3.8

  • Is 100 kg lighter
  • Has 22 hp/t better power-to-weight

Pros

  • Lightest
  • Best power-to-weight ratio

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Smallest trunk
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 911 (991 II) Carrera GTS 3.0
Porsche 911 (997) GT3 RS 3.8
Compare selected cars
2 vehicles selected

Popular comparisons

Carrera GTS 3.0
Carrera S 3.0
VS
Porsche911 (991 II)Carrera GTS 3.0vsPorsche911 (992)Carrera S 3.0
GT3 RS 3.8
Turbo 3.6
VS
Porsche911 (997)Facelift 2008GT3 RS 3.8vsPorsche911 (997)Turbo 3.6
Carrera GTS 3.0
Carrera GTS 3.8
VS
Porsche911 (991 II)Carrera GTS 3.0vsPorsche911 (991)Carrera GTS 3.8
Carrera GTS 3.0
Carrera GTS 3.6
VS
Porsche911 (991 II)Carrera GTS 3.0vsPorsche911 (992)Facelift 2024Carrera GTS 3.6
GT3 RS 3.8
Carrera GTS 3.0
VS
Porsche911 (997)Facelift 2008GT3 RS 3.8vsPorsche911 (991 II)Carrera GTS 3.0
Carrera GTS 3.0
3.0
VS
Porsche911 (991 II)Carrera GTS 3.0vsPorsche911 Dakar (992)3.0
GT3 RS 3.8
GT2 3.6
VS
Porsche911 (997)Facelift 2008GT3 RS 3.8vsPorsche911 (996)Facelift 2001GT2 3.6
Carrera GTS 3.0
Turbo 3.8
VS
Porsche911 (991 II)Carrera GTS 3.0vsPorsche911 (997)Facelift 2008Turbo 3.8
GT3 RS 3.8
GT2 3.6
VS
Porsche911 (997)Facelift 2008GT3 RS 3.8vsPorsche911 (993)GT2 3.6
GT3 RS 3.8
Turbo 3.8
VS
Porsche911 (997)Facelift 2008GT3 RS 3.8vsPorsche911 Cabriolet (997)Facelift 2008Turbo 3.8
Carrera GTS 3.0
Carrera S 3.0
VS
Porsche911 (991 II)Carrera GTS 3.0vsPorsche911 Cabriolet (992)Carrera S 3.0
GT3 RS 3.8
Turbo 3.6
VS
Porsche911 (997)Facelift 2008GT3 RS 3.8vsPorsche911 Cabriolet (997)Turbo 3.6
Porsche 911 (991 II) Carrera GTS 3.0 vs Porsche 911 (997) · Facelift 2008 GT3 RS 3.8 - car comparison - FastVsFaster