Car comparison

Porsche Cayenne (955) · Facelift 2007 Turbo 4.8 V8vsMercedes-Benz M-class (W164) · Facelift 2008 AMG ML 63 V8

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

New comparison

Porsche Cayenne (955) · Facelift 2007

Turbo 4.8 V8

500 hp4806 ccGasolineAWDAutomaticTwin-turboSUV2007-2010

Mercedes-Benz M-class (W164) · Facelift 2008

AMG ML 63 V8

510 hp6208 ccGasolineAWDAutomaticNaturally aspiratedSUV2008-2010

Comparison overview

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

Porsche Cayenne (955) Facelift 2007 Turbo 4.8 V8

Fastest top speed
275 km/h
171 mph
Highest torque
700 Nm
516 lb-ft
Lowest combined fuel consumption
14.9 L/100 km
15.8 mpg US
19.0 mpg UK
Lowest city consumption
22.5 L/100 km
10.5 mpg US
12.6 mpg UK
Lowest highway consumption
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
Best estimated range
671 km
417 mi
Best overall score
82/100
Best performance score
80/100
Best economy score
67/100

Mercedes-Benz M-class (W164) Facelift 2008 AMG ML 63 V8

Quickest 0-100 km/h
5.0 s
Most powerful
510 hp
380 kW
Lightest
2,235 kg
4,927 lb
Best power-to-weight
228 hp/t
170 kW/t
4.4 kg/hp
Largest trunk
833 L
Best practicality score
93/100

Specification comparison

Specification comparison
Model	PorscheCayenne (955)Facelift 2007Turbo 4.8 V8	Mercedes-BenzM-class (W164)Facelift 2008AMG ML 63 V8
Power	500hp373kW	510hp380kW
Torque	700Nm516lb-ft	630Nm465lb-ft
Curb weight	2,355kg5,192lb	2,235kg4,927lb
Gross weight	3,080kg6,790lb	2,880kg6,349lb
Top speed	275 km/h 171 mph	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	73.8s99% target: 272 km/h / 169 mph Calculated	66.2s99% target: 257 km/h / 160 mph Calculated
0-100 km/h	5.1s	5.0s
0-200 km/h	17.2s Calculated	17.8s Calculated
0-60 mph	4.9s Calculated	4.8s Calculated
Fuel consumption	14.9L/100 km15.8mpg US19.0mpg UK	16.5L/100 km14.3mpg US17.1mpg UK
Fuel consumption city	22.5L/100 km10.5mpg US12.6mpg UK	24.1L/100 km9.8mpg US11.7mpg UK
Fuel consumption highway	10.5L/100 km22.4mpg US26.9mpg UK	12.2L/100 km19.3mpg US23.2mpg UK
Quarter mile	13.2s Calculated	13.1s Calculated
Power-to-weight	212hp/t158kW/t96hp/1000 lb Calculated	228hp/t170kW/t104hp/1000 lb Calculated
Torque-to-weight	297Nm/t199lb-ft/ton Calculated	282Nm/t189lb-ft/ton Calculated
Estimated range	671km417mi Calculated	576km358mi Calculated
Displacement	4,806cc293cu in	6,208cc379cu in
Length	4,795mm189in	4,812mm189in
Width	1,928mm76in	-
Height	1,696mm67in	1,899mm75in
Wheelbase	2,855mm112in	2,915mm115in
Front track	1,641mm65in	-
Rear track	1,656mm65in	-
Ground clearance	271mm11in	234mm9in
Trunk volume	540L	833L
Max trunk volume	1,770L	2,050L
Doors	5	5
Seats	5	5
Fuel tank	100L	95L

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 Cayenne (955) Facelift 2007 Turbo 4.8 V8Mercedes-Benz M-class (W164) Facelift 2008 AMG ML 63 V8PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
PorscheCayenne (955)Facelift 2007Turbo 4.8 V8	6,000 rpm	2,250-4,500 rpm	6,700 rpm
Mercedes-BenzM-class (W164)Facelift 2008AMG ML 63 V8	6,800 rpm	5,200 rpm	7,050 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	PorscheCayenne (955)Facelift 2007Turbo 4.8 V8	Mercedes-BenzM-class (W164)Facelift 2008AMG ML 63 V8
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.9 s	4.8 s
0-100 km/h 0-62 mph	5.1 s	5.0 s
0-200 km/h 0-124 mph	17.2 s	17.8 s
Top speed	275 km/h 171 mph	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Limited
	Drag race simulation
60 ft 18 m	2.2 s	2.2 s
330 ft 101 m	5.8 s	5.7 s
1/8 mile 201 m	8.7 s	8.6 s
1000 ft 305 m	11.1 s	11.1 s
1/4 mile 402 m	13.2 s	13.1 s
Trap speed 1/4 mile 402 m	177 km/h 110 mph	176 km/h 109 mph

Power comparison

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

Chart data table
Vehicle	Value
PorscheCayenne (955)Facelift 2007Turbo 4.8 V8	500 hp 373 kW
Mercedes-BenzM-class (W164)Facelift 2008AMG ML 63 V8	510 hp 380 kW

Mercedes-Benz M-class (W164) Facelift 2008 AMG ML 63 V8 has 10 hp more than Porsche Cayenne (955) Facelift 2007 Turbo 4.8 V8.

The biggest power difference is between Porsche Cayenne (955) Facelift 2007 Turbo 4.8 V8 and Mercedes-Benz M-class (W164) Facelift 2008 AMG ML 63 V8: 10 hp (7 kW).

Torque comparison

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

Chart data table
Vehicle	Value
PorscheCayenne (955)Facelift 2007Turbo 4.8 V8	700 Nm 516 lb-ft
Mercedes-BenzM-class (W164)Facelift 2008AMG ML 63 V8	630 Nm 465 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
PorscheCayenne (955)Facelift 2007Turbo 4.8 V8	2,355 kg 5,192 lb
Mercedes-BenzM-class (W164)Facelift 2008AMG ML 63 V8	2,235 kg 4,927 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
PorscheCayenne (955)Facelift 2007Turbo 4.8 V8	275 km/h 171 mph
Mercedes-BenzM-class (W164)Facelift 2008AMG ML 63 V8	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
PorscheCayenne (955)Facelift 2007Turbo 4.8 V8	5.1 s
Mercedes-BenzM-class (W164)Facelift 2008AMG ML 63 V8	5.0 s

The biggest 0-100 km/h difference is between Mercedes-Benz M-class (W164) Facelift 2008 AMG ML 63 V8 and Porsche Cayenne (955) Facelift 2007 Turbo 4.8 V8: 0.1 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
PorscheCayenne (955)Facelift 2007Turbo 4.8 V8	14.9 L/100 km 15.8 mpg US 19.0 mpg UK
Mercedes-BenzM-class (W164)Facelift 2008AMG ML 63 V8	16.5 L/100 km 14.3 mpg US 17.1 mpg UK

The biggest fuel consumption difference is between Porsche Cayenne (955) Facelift 2007 Turbo 4.8 V8 and Mercedes-Benz M-class (W164) Facelift 2008 AMG ML 63 V8: 1.6 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
PorscheCayenne (955)Facelift 2007Turbo 4.8 V8	212 hp/t 158 kW/t 4.7 kg/hp
Mercedes-BenzM-class (W164)Facelift 2008AMG ML 63 V8	228 hp/t 170 kW/t 4.4 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
PorscheCayenne (955)Facelift 2007Turbo 4.8 V8	671 km 417 mi
Mercedes-BenzM-class (W164)Facelift 2008AMG ML 63 V8	576 km 358 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
PorscheCayenne (955)Facelift 2007Turbo 4.8 V8	500 hp 373 kW	5.1 s	275 km/h 171 mph
Mercedes-BenzM-class (W164)Facelift 2008AMG ML 63 V8	510 hp 380 kW	5.0 s	Unrestricted 260 km/h162 mph Restricted 250 km/h155 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

PorscheCayenne (955)Facelift 2007Turbo 4.8 V8

Power	500 hp 373 kW
0-100 km/h	5.1 s
Top speed 275 km/h 171 mph

Doors/seats	5 doors 5 seats
Trunk	540 L 19.1 cu ft
Length	4,795 mm 188.8 in
Height	1,696 mm 66.8 in

Mercedes-BenzM-class (W164)Facelift 2008AMG ML 63 V8

Power	510 hp 380 kW
0-100 km/h	5.0 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Doors/seats	5 doors 5 seats
Trunk	833 L 29.4 cu ft
Length	4,812 mm 189.4 in
Height	1,899 mm 74.8 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

PorscheCayenne (955)Facelift 2007Turbo 4.8 V8

Power	500 hp 373 kW
0-100 km/h	5.1 s
Top speed 275 km/h 171 mph

14.9 L/100 km

15.8 mpg US

19.0 mpg UK

Mercedes-BenzM-class (W164)Facelift 2008AMG ML 63 V8

Power	510 hp 380 kW
0-100 km/h	5.0 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

16.5 L/100 km

14.3 mpg US

17.1 mpg UK

Porsche Cayenne (955) Facelift 2007 Turbo 4.8 V8 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
PorscheCayenne (955)Facelift 2007Turbo 4.8 V8	14.9 L/100 km 15.8 mpg US 19.0 mpg UK	5.1 s
Mercedes-BenzM-class (W164)Facelift 2008AMG ML 63 V8	16.5 L/100 km 14.3 mpg US 17.1 mpg UK	5.0 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
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
PorscheCayenne (955)Facelift 2007Turbo 4.8 V8	212 hp/t 158 kW/t 4.7 kg/hp	14.9 L/100 km 15.8 mpg US 19.0 mpg UK
Mercedes-BenzM-class (W164)Facelift 2008AMG ML 63 V8	228 hp/t 170 kW/t 4.4 kg/hp	16.5 L/100 km 14.3 mpg US 17.1 mpg UK

Detailed score breakdown

Vehicle

PorscheCayenne (955)Facelift 2007Turbo 4.8 V8

Mercedes-BenzM-class (W164)Facelift 2008AMG ML 63 V8

Power

500 hp

373 kW

510 hp

380 kW

Torque

700 Nm

516 lb-ft

630 Nm

465 lb-ft

Acceleration

5.1 s

5.0 s

Top speed

275 km/h

171 mph

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

Lightness

2,355 kg

5,192 lb

2,235 kg

4,927 lb

Fuel consumption

14.9 L/100 km

15.8 mpg US

19.0 mpg UK

16.5 L/100 km

14.3 mpg US

17.1 mpg UK

Practicality

Doors/seats	5 doors 5 seats
Trunk	540 L 19.1 cu ft
Length	4,795 mm 188.8 in
Height	1,696 mm 66.8 in

Doors/seats	5 doors 5 seats
Trunk	833 L 29.4 cu ft
Length	4,812 mm 189.4 in
Height	1,899 mm 74.8 in

Range score

671 km

417 mi

576 km

358 mi

Trunk score

540 L

19.1 cu ft

833 L

29.4 cu ft

Power-to-weight score

212 hp/t

158 kW/t

4.7 kg/hp

228 hp/t

170 kW/t

4.4 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 Cayenne (955) Facelift 2007 Turbo 4.8 V8	Mercedes-Benz M-class (W164) Facelift 2008 AMG ML 63 V8
Consumption	14.9 L/100 km15.8 mpg US19 mpg UK	16.5 L/100 km14.3 mpg US17.1 mpg UK
Cost / 100 km	26.08 LC100 km	28.88 LC100 km
Cost / 100 mi	41.96 LC100 mi	46.47 LC100 mi
Annual fuel used	2,235 L590 US gal492 UK gal	2,475 L654 US gal544 UK gal
Annual fuel cost	3,911 LC/year	4,331 LC/year