Car comparison

Porsche 911 (991 II) Turbo S Exclusive 3.8vsPorsche 911 (997) · Facelift 2008 GT2 RS 3.6

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

New comparison

Porsche 911 (991 II)

Turbo S Exclusive 3.8

607 hp3800 ccGasolineAWDDual-clutchTwin-turboCoupe2017-2017

Porsche 911 (997) · Facelift 2008

GT2 RS 3.6

620 hp3600 ccGasolineRWDManualTurbochargedCoupe2010-2012

Comparison overview

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

Porsche 911 (991 II) Turbo S Exclusive 3.8

Quickest 0-100 km/h
2.9 s
Fastest top speed
330 km/h
205 mph
Highest torque
750 Nm
553 lb-ft
Lowest combined fuel consumption
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
Lowest city consumption
11.8 L/100 km
19.9 mpg US
23.9 mpg UK
Lowest highway consumption
7.5 L/100 km
31.4 mpg US
37.7 mpg UK
Lowest CO2 emissions
212 g/km
Largest trunk
115 L
Best overall score
77/100
Best performance score
95/100
Best economy score
82/100
Best practicality score
40/100

Porsche 911 (997) Facelift 2008 GT2 RS 3.6

Most powerful
620 hp
462 kW
Lightest
1,370 kg
3,020 lb
Best power-to-weight
453 hp/t
337 kW/t
2.2 kg/hp
Best estimated range
756 km
470 mi

Specification comparison

Specification comparison
Model	Porsche911 (991 II)Turbo S Exclusive 3.8	Porsche911 (997)Facelift 2008GT2 RS 3.6
Power	607hp453kW	620hp462kW
Torque	750Nm553lb-ft	700Nm516lb-ft
Curb weight	1,600kg3,527lb	1,370kg3,020lb
Gross weight	1,990kg4,387lb	1,680kg3,704lb
Top speed	330 km/h 205 mph	330 km/h 205 mph
To 99% top speed	72.2s99% target: 327 km/h / 203 mph Calculated	45.9s99% target: 327 km/h / 203 mph Calculated
0-100 km/h	2.9s	3.5s
0-200 km/h	9.6s	9.1s Calculated
0-60 mph	2.8s Calculated	3.4s Calculated
Fuel consumption	9.1L/100 km25.8mpg US31.0mpg UK	11.9L/100 km19.8mpg US23.7mpg UK
Fuel consumption city	11.8L/100 km19.9mpg US23.9mpg UK	17.9L/100 km13.1mpg US15.8mpg UK
Fuel consumption highway	7.5L/100 km31.4mpg US37.7mpg UK	8.7L/100 km27mpg US32.5mpg UK
Quarter mile	10.7s Calculated	11.0s Calculated
Power-to-weight	379hp/t283kW/t172hp/1000 lb Calculated	453hp/t337kW/t205hp/1000 lb Calculated
Torque-to-weight	469Nm/t314lb-ft/ton Calculated	511Nm/t342lb-ft/ton Calculated
Estimated range	747km464mi Calculated	756km470mi Calculated
Displacement	3,800cc232cu in	3,600cc220cu in
Length	4,507mm177in	4,469mm176in
Width	1,880mm74in	1,852mm73in
Height	1,297mm51in	1,285mm51in
Wheelbase	2,450mm96in	2,350mm93in
Front track	1,541mm61in	-
Rear track	1,590mm63in	-
Trunk volume	115L	-
Max trunk volume	-	105L
Doors	2	2
Seats	4	2
Fuel tank	68L	90L
CO2 emissions	212g/km	284g/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) Turbo S Exclusive 3.8Porsche 911 (997) Facelift 2008 GT2 RS 3.6PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
Porsche911 (991 II)Turbo S Exclusive 3.8	6,750 rpm	2,250-4,000 rpm	7,200 rpm
Porsche911 (997)Facelift 2008GT2 RS 3.6	2,250-5,500 rpm	-	5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Porsche911 (991 II)Turbo S Exclusive 3.8	Porsche911 (997)Facelift 2008GT2 RS 3.6
	Acceleration checkpoints
0-60 mph 0-97 km/h	2.8 s	3.4 s
0-100 km/h 0-62 mph	2.9 s	3.5 s
0-200 km/h 0-124 mph	9.6 s	9.1 s
0-200 mph 0-322 km/h	54.9 s	36.9 s
Top speed	330 km/h 205 mph	330 km/h 205 mph
	Drag race simulation
60 ft 18 m	1.7 s	2.0 s
330 ft 101 m	4.5 s	5.0 s
1/8 mile 201 m	6.9 s	7.3 s
1000 ft 305 m	9.0 s	9.3 s
1/4 mile 402 m	10.7 s	11.0 s
Trap speed 1/4 mile 402 m	210 km/h 131 mph	222 km/h 138 mph

Power comparison

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

Chart data table
Vehicle	Value
Porsche911 (991 II)Turbo S Exclusive 3.8	607 hp 453 kW
Porsche911 (997)Facelift 2008GT2 RS 3.6	620 hp 462 kW

Porsche 911 (997) Facelift 2008 GT2 RS 3.6 has 13 hp more than Porsche 911 (991 II) Turbo S Exclusive 3.8.

The biggest power difference is between Porsche 911 (991 II) Turbo S Exclusive 3.8 and Porsche 911 (997) Facelift 2008 GT2 RS 3.6: 13 hp (10 kW).

Torque comparison

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

Chart data table
Vehicle	Value
Porsche911 (991 II)Turbo S Exclusive 3.8	750 Nm 553 lb-ft
Porsche911 (997)Facelift 2008GT2 RS 3.6	700 Nm 516 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
Porsche911 (991 II)Turbo S Exclusive 3.8	1,600 kg 3,527 lb
Porsche911 (997)Facelift 2008GT2 RS 3.6	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
Vehicle	Value
Porsche911 (991 II)Turbo S Exclusive 3.8	330 km/h 205 mph
Porsche911 (997)Facelift 2008GT2 RS 3.6	330 km/h 205 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
Porsche911 (991 II)Turbo S Exclusive 3.8	2.9 s
Porsche911 (997)Facelift 2008GT2 RS 3.6	3.5 s

Although Porsche 911 (997) Facelift 2008 GT2 RS 3.6 has more power, Porsche 911 (991 II) Turbo S Exclusive 3.8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Porsche 911 (991 II) Turbo S Exclusive 3.8 and Porsche 911 (997) Facelift 2008 GT2 RS 3.6: 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
Vehicle	Value
Porsche911 (991 II)Turbo S Exclusive 3.8	9.1 L/100 km 25.8 mpg US 31.0 mpg UK
Porsche911 (997)Facelift 2008GT2 RS 3.6	11.9 L/100 km 19.8 mpg US 23.7 mpg UK

The biggest fuel consumption difference is between Porsche 911 (991 II) Turbo S Exclusive 3.8 and Porsche 911 (997) Facelift 2008 GT2 RS 3.6: 2.8 L/100 km.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
Vehicle	Value
Porsche911 (991 II)Turbo S Exclusive 3.8	379 hp/t 283 kW/t 2.6 kg/hp
Porsche911 (997)Facelift 2008GT2 RS 3.6	453 hp/t 337 kW/t 2.2 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
Vehicle	Value
Porsche911 (991 II)Turbo S Exclusive 3.8	747 km 464 mi
Porsche911 (997)Facelift 2008GT2 RS 3.6	756 km 470 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
Porsche911 (991 II)Turbo S Exclusive 3.8	607 hp 453 kW	2.9 s	330 km/h 205 mph
Porsche911 (997)Facelift 2008GT2 RS 3.6	620 hp 462 kW	3.5 s	330 km/h 205 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Vehicle

Performance score

Practicality score

Porsche911 (991 II)Turbo S Exclusive 3.8

Power	607 hp 453 kW
0-100 km/h	2.9 s
Top speed 330 km/h 205 mph

Doors/seats	2 doors 4 seats
Trunk	115 L 4.1 cu ft
Length	4,507 mm 177.4 in
Height	1,297 mm 51.1 in

Porsche911 (997)Facelift 2008GT2 RS 3.6

Power	620 hp 462 kW
0-100 km/h	3.5 s
Top speed 330 km/h 205 mph

Doors/seats	2 doors 2 seats
Trunk	105 L 3.7 cu ft
Length	4,469 mm 175.9 in
Height	1,285 mm 50.6 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Vehicle

Performance score

Fuel economy score

Porsche911 (991 II)Turbo S Exclusive 3.8

Power	607 hp 453 kW
0-100 km/h	2.9 s
Top speed 330 km/h 205 mph

9.1 L/100 km

25.8 mpg US

31.0 mpg UK

Porsche911 (997)Facelift 2008GT2 RS 3.6

Power	620 hp 462 kW
0-100 km/h	3.5 s
Top speed 330 km/h 205 mph

11.9 L/100 km

19.8 mpg US

23.7 mpg UK

Porsche 911 (991 II) Turbo S Exclusive 3.8 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
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
Porsche911 (991 II)Turbo S Exclusive 3.8	9.1 L/100 km 25.8 mpg US 31.0 mpg UK	2.9 s
Porsche911 (997)Facelift 2008GT2 RS 3.6	11.9 L/100 km 19.8 mpg US 23.7 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
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
Porsche911 (991 II)Turbo S Exclusive 3.8	379 hp/t 283 kW/t 2.6 kg/hp	9.1 L/100 km 25.8 mpg US 31.0 mpg UK
Porsche911 (997)Facelift 2008GT2 RS 3.6	453 hp/t 337 kW/t 2.2 kg/hp	11.9 L/100 km 19.8 mpg US 23.7 mpg UK

Detailed score breakdown

Vehicle

Porsche911 (991 II)Turbo S Exclusive 3.8

Porsche911 (997)Facelift 2008GT2 RS 3.6

Power

607 hp

453 kW

620 hp

462 kW

Torque

750 Nm

553 lb-ft

700 Nm

516 lb-ft

Acceleration

2.9 s

3.5 s

Top speed

330 km/h

205 mph

330 km/h

205 mph

Lightness

1,600 kg

3,527 lb

1,370 kg

3,020 lb

Fuel consumption

9.1 L/100 km

25.8 mpg US

31.0 mpg UK

11.9 L/100 km

19.8 mpg US

23.7 mpg UK

Practicality

Doors/seats	2 doors 4 seats
Trunk	115 L 4.1 cu ft
Length	4,507 mm 177.4 in
Height	1,297 mm 51.1 in

Doors/seats	2 doors 2 seats
Trunk	105 L 3.7 cu ft
Length	4,469 mm 175.9 in
Height	1,285 mm 50.6 in

Range score

747 km

464 mi

756 km

470 mi

CO2 score

212 g/km

284 g/km

Trunk score

115 L

4.1 cu ft

105 L

3.7 cu ft

Power-to-weight score

379 hp/t

283 kW/t

2.6 kg/hp

453 hp/t

337 kW/t

2.2 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

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
Vehicle	Porsche 911 (991 II) Turbo S Exclusive 3.8	Porsche 911 (997) Facelift 2008 GT2 RS 3.6
Consumption	9.1 L/100 km25.8 mpg US31 mpg UK	11.9 L/100 km19.8 mpg US23.7 mpg UK
Cost / 100 km	15.92 LC100 km	20.83 LC100 km
Cost / 100 mi	25.63 LC100 mi	33.51 LC100 mi
Annual fuel used	1,365 L361 US gal300 UK gal	1,785 L472 US gal393 UK gal
Annual fuel cost	2,389 LC/year	3,124 LC/year