Car comparison

Porsche 911 (991 II) Turbo S Exclusive 3.8vsPorsche Cayenne III · Facelift 2023 Turbo GT 4.0 V8

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 Cayenne III · Facelift 2023

Turbo GT 4.0 V8

650 hp3996 ccGasolineAWDAutomaticTwin-turboCoupe2023-present

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
Lightest
1,600 kg
3,527 lb
Best power-to-weight
379 hp/t
283 kW/t
2.6 kg/hp
Best performance score
95/100
Best economy score
82/100

Porsche Cayenne III Facelift 2023 Turbo GT 4.0 V8

Most powerful
650 hp
485 kW
Highest torque
850 Nm
627 lb-ft
Largest trunk
576 L
Best overall score
85/100
Best practicality score
74/100

Specification comparison

Specification comparison
Model	Porsche911 (991 II)Turbo S Exclusive 3.8	PorscheCayenne IIIFacelift 2023Turbo GT 4.0 V8
Power	607hp453kW	650hp485kW
Torque	750Nm553lb-ft	850Nm627lb-ft
Curb weight	1,600kg3,527lb	2,293kg5,055lb
Gross weight	1,990kg4,387lb	2,680kg5,908lb
Top speed	330 km/h 205 mph	305 km/h 190 mph
To 99% top speed	72.2s99% target: 327 km/h / 203 mph Calculated	82.9s99% target: 302 km/h / 188 mph Calculated
0-100 km/h	2.9s	3.3s
0-200 km/h	9.6s	12.1s
0-60 mph	2.8s Calculated	3.1s Calculated
Fuel consumption	9.1L/100 km25.8mpg US31.0mpg UK	-
Fuel consumption city	11.8L/100 km19.9mpg US23.9mpg UK	-
Fuel consumption highway	7.5L/100 km31.4mpg US37.7mpg UK	-
Quarter mile	10.7s Calculated	11.4s Calculated
Power-to-weight	379hp/t283kW/t172hp/1000 lb Calculated	283hp/t211kW/t129hp/1000 lb Calculated
Torque-to-weight	469Nm/t314lb-ft/ton Calculated	371Nm/t248lb-ft/ton Calculated
Estimated range	747km464mi Calculated	-
Displacement	3,800cc232cu in	3,996cc244cu in
Length	4,507mm177in	4,932mm194in
Width	1,880mm74in	-
Height	1,297mm51in	1,648mm65in
Wheelbase	2,450mm96in	2,895mm114in
Front track	1,541mm61in	-
Rear track	1,590mm63in	-
Ground clearance	-	223mm9in
Trunk volume	115L	576L
Max trunk volume	-	1,486L
Doors	2	5
Seats	4	5
Fuel tank	68L	-
CO2 emissions	212g/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 Cayenne III Facelift 2023 Turbo GT 4.0 V8PowerTorque

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
PorscheCayenne IIIFacelift 2023Turbo GT 4.0 V8	6,000 rpm	2,300-4,500 rpm	6,800 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Porsche911 (991 II)Turbo S Exclusive 3.8	PorscheCayenne IIIFacelift 2023Turbo GT 4.0 V8
	Acceleration checkpoints
0-60 mph 0-97 km/h	2.8 s	3.1 s
0-100 km/h 0-62 mph	2.9 s	3.3 s
0-200 km/h 0-124 mph	9.6 s	12.1 s
0-200 mph 0-322 km/h	54.9 s	-
Top speed	330 km/h 205 mph	305 km/h 190 mph
	Drag race simulation
60 ft 18 m	1.7 s	1.7 s
330 ft 101 m	4.5 s	4.8 s
1/8 mile 201 m	6.9 s	7.3 s
1000 ft 305 m	9.0 s	9.5 s
1/4 mile 402 m	10.7 s	11.4 s
Trap speed 1/4 mile 402 m	210 km/h 131 mph	195 km/h 121 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
PorscheCayenne IIIFacelift 2023Turbo GT 4.0 V8	650 hp 485 kW

Porsche Cayenne III Facelift 2023 Turbo GT 4.0 V8 has 43 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 Cayenne III Facelift 2023 Turbo GT 4.0 V8: 43 hp (32 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
PorscheCayenne IIIFacelift 2023Turbo GT 4.0 V8	850 Nm 627 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
PorscheCayenne IIIFacelift 2023Turbo GT 4.0 V8	2,293 kg 5,055 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
PorscheCayenne IIIFacelift 2023Turbo GT 4.0 V8	305 km/h 190 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
PorscheCayenne IIIFacelift 2023Turbo GT 4.0 V8	3.3 s

Although Porsche Cayenne III Facelift 2023 Turbo GT 4.0 V8 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 Cayenne III Facelift 2023 Turbo GT 4.0 V8: 0.4 s.

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
PorscheCayenne IIIFacelift 2023Turbo GT 4.0 V8	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
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
PorscheCayenne IIIFacelift 2023Turbo GT 4.0 V8	650 hp 485 kW	3.3 s	305 km/h 190 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

PorscheCayenne IIIFacelift 2023Turbo GT 4.0 V8

Power	650 hp 485 kW
0-100 km/h	3.3 s
Top speed 305 km/h 190 mph

Doors/seats	5 doors 5 seats
Trunk	576 L 20.3 cu ft
Length	4,932 mm 194.2 in
Height	1,648 mm 64.9 in

Detailed score breakdown

Vehicle

Porsche911 (991 II)Turbo S Exclusive 3.8

PorscheCayenne IIIFacelift 2023Turbo GT 4.0 V8

Power

607 hp

453 kW

650 hp

485 kW

Torque

750 Nm

553 lb-ft

850 Nm

627 lb-ft

Acceleration

2.9 s

3.3 s

Top speed

330 km/h

205 mph

305 km/h

190 mph

Lightness

1,600 kg

3,527 lb

2,293 kg

5,055 lb

Fuel consumption

9.1 L/100 km

25.8 mpg US

31.0 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	5 doors 5 seats
Trunk	576 L 20.3 cu ft
Length	4,932 mm 194.2 in
Height	1,648 mm 64.9 in

Range score

747 km

464 mi

CO2 score

212 g/km

Trunk score

115 L

4.1 cu ft

576 L

20.3 cu ft

Power-to-weight score

379 hp/t

283 kW/t

2.6 kg/hp

283 hp/t

211 kW/t

3.5 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
Consumption	9.1 L/100 km25.8 mpg US31 mpg UK
Cost / 100 km	15.92 LC100 km
Cost / 100 mi	25.63 LC100 mi
Annual fuel used	1,365 L361 US gal300 UK gal
Annual fuel cost	2,389 LC/year