The Comparative Analysis :
Mercedes ML 420 CDI DPF 4MATIC 7G-TRONIC (06 - 08) vs. Porsche Cayenne Tiptronic (07 - 10)
€ 70,400

€ 55,600

€ 70,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 55,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The Mercedes ML 420 CDI DPF is 1 cm shorter, 1.7 cm narrower and 11.6 cm taller than the Porsche Cayenne.
Mercedes ML 420 CDI DPF
Porsche Cayenne
1815
1911
2127
1699
1928
2200
1911 mm
Width
1928 mm
2127 mm
Width Incl. Mirrors
2200 mm
1815 mm
Height
1699 mm
2915
4788
2855
4798
4788 mm
Length
4798 mm
2915 mm
Wheelbase
2855 mm
Vehicle Weight
Mercedes ML 420 CDI DPF
Porsche Cayenne
2315 kg
Kerb Weight
2245 kg
2950 kg
Gross Vehicle
Weight
Weight
2945 kg

Weight Difference:
70 kg
3.02 %

General
Mercedes ML 420 CDI DPF
Porsche Cayenne
W164
Generation
9PA/955
Sport Utility Vehicle
Car Body Style
Sport Utility Vehicle
Diesel
Fuel Type
Super Unleaded (98 RON)

Permanent all-wheel drive
Drive
Permanent all-wheel drive

7-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
Mercedes ML 420 CDI DPF
Porsche Cayenne
V8 diesel engine with turbocharger
Engine Type
V6 petrol engine (naturally aspirated engine)
Mercedes-Benz OM 629
Engine Series
OM 629.912
Engine Code

4
Valves
4
8
Cylinders
6
3996 CC
Engine Capacity
3598 CC
302 bhp
at 3600 rpm
Power
286 bhp
at 6200 rpm
Mercedes ML 420 CDI DPF
302 bhp
286 bhp
Porsche Cayenne
700 NM
at 2000 rpm
Max. Torque
385 NM
at 3000 rpm
Mercedes ML 420 CDI DPF
700 NM
385 NM
Porsche Cayenne
Performance
Mercedes ML 420 CDI DPF
Porsche Cayenne
146 mph
Maximum Speed
141 mph
6.8 sec
Acceleration 0 to 62 mph
8.5 sec
62 mph
62
mph
mph
94 m
0.000 sec

Mercedes ML 420 CDI DPF
62 mph
62
mph
mph
118 m
0.000 sec

Porsche Cayenne
▶ REPLAY
7.67 kg/bhp
Weight-to-Power Ratio
7.85 kg/bhp
Mercedes ML 420 CDI DPF
7.67 kg/bhp
7.85 kg/bhp
Porsche Cayenne
Fuel Economy / Emissions
Mercedes ML 420 CDI DPF
Porsche Cayenne
Fuel Economy
25 mpg
combined
23 mpg
Mercedes ML 420 CDI DPF
25 mpg
23 mpg
Porsche Cayenne
20 mpg
city
16 mpg
31 mpg
motorway
30 mpg
95 L
Fuel Tank Capacity
100 L
532 mi
Range
501 mi
Mercedes ML 420 CDI DPF
532 mi
501 mi
Porsche Cayenne
Environmental Impact
228.4 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
235 kWh
Mercedes ML 420 CDI DPF
228.4 kWh
235 kWh
Porsche Cayenne
Euro 4 III
Emission Standard
Euro 4 III
294 g/km (NEFZ)
CO2 Emissions
296 g/km (NEFZ)
Practical Convenience
Mercedes ML 420 CDI DPF
Porsche Cayenne
5
Doors
5
5
No. of Seats
5
635 kg
Maximum Payload
700 kg
500 L
Boot Capacity
540 L









2050 L
Boot Capacity (Seats Down)
1770 L