The Comparative Analysis :
Mercedes ML 420 CDI DPF 4MATIC 7G-TRONIC (06 - 08) vs. Porsche Cayenne S Tiptronic S (17 - ..)
€ 70,400

€ 94,200

€ 70,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 94,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ considerably. The Mercedes ML 420 CDI DPF is 13 cm shorter, 7.2 cm narrower and 11.9 cm taller than the Porsche Cayenne S.
Mercedes ML 420 CDI DPF
Porsche Cayenne S
1815
1911
2127
1696
1983
2194
1911 mm
Width
1983 mm
2127 mm
Width Incl. Mirrors
2194 mm
1815 mm
Height
1696 mm
2915
4788
2895
4918
4788 mm
Length
4918 mm
2915 mm
Wheelbase
2895 mm
Vehicle Weight
Mercedes ML 420 CDI DPF
Porsche Cayenne S
2315 kg
Kerb Weight
2020 kg
2950 kg
Gross Vehicle
Weight
Weight
2840 kg

Weight Difference:
295 kg
12.74 %

General
Mercedes ML 420 CDI DPF
Porsche Cayenne S
W164
Generation
9YA
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
8-speed automatic transmission
Engine
Mercedes ML 420 CDI DPF
Porsche Cayenne S
V8 diesel engine with turbocharger
Engine Type
V6 petrol engine with two turbochargers (biturbo)
Mercedes-Benz OM 629
Engine Series
OM 629.912
Engine Code

4
Valves
4
8
Cylinders
6
3996 CC
Engine Capacity
2894 CC
302 bhp
at 3600 rpm
Power
434 bhp
at 5700 rpm
Mercedes ML 420 CDI DPF
302 bhp
434 bhp
Porsche Cayenne S
700 NM
at 2000 rpm
Max. Torque
550 NM
at 1800 rpm
Mercedes ML 420 CDI DPF
700 NM
550 NM
Porsche Cayenne S
Performance
Mercedes ML 420 CDI DPF
Porsche Cayenne S
146 mph
Maximum Speed
165 mph
6.8 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph
62
mph
mph
94 m
0.000 sec

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

Porsche Cayenne S
▶ REPLAY
7.67 kg/bhp
Weight-to-Power Ratio
4.65 kg/bhp
Mercedes ML 420 CDI DPF
7.67 kg/bhp
4.65 kg/bhp
Porsche Cayenne S
Fuel Economy / Emissions
Mercedes ML 420 CDI DPF
Porsche Cayenne S
Fuel Economy
25 mpg
combined
30 mpg
Mercedes ML 420 CDI DPF
25 mpg
30 mpg
Porsche Cayenne S
20 mpg
city
25 mpg
31 mpg
motorway
35 mpg
95 L
Fuel Tank Capacity
75 L
532 mi
Range
496 mi
Mercedes ML 420 CDI DPF
532 mi
496 mi
Porsche Cayenne S
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).
178.2 kWh
Mercedes ML 420 CDI DPF
228.4 kWh
178.2 kWh
Porsche Cayenne S
Euro 4 III
Emission Standard
Euro 6
294 g/km (NEFZ)
CO2 Emissions
267 g/km (WLTP)
Practical Convenience
Mercedes ML 420 CDI DPF
Porsche Cayenne S
5
Doors
5
5
No. of Seats
5
635 kg
Maximum Payload
820 kg
500 L
Boot Capacity
770 L











2050 L
Boot Capacity (Seats Down)
1710 L