The Comparative Analysis :
Porsche Cayenne Coupé S Tiptronic S (19 - ..) vs. Mercedes ML 420 CDI DPF 4MATIC 7G-TRONIC (06 - 08)
€ 99,700
€ 70,400
€ 99,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 70,400
ⓘ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 Porsche Cayenne Coupé S is 14.3 cm longer, 7.2 cm wider and 13.9 cm lower than the Mercedes ML 420 CDI DPF.
Porsche Cayenne Coupé S
Mercedes ML 420 CDI DPF
1676
1983
2194
1815
1911
2127
1983 mm
Width
1911 mm
2194 mm
Width Incl. Mirrors
2127 mm
1676 mm
Height
1815 mm
2895
4931
2915
4788
4931 mm
Length
4788 mm
2895 mm
Wheelbase
2915 mm
Vehicle Weight
Porsche Cayenne Coupé S
Mercedes ML 420 CDI DPF
2125 kg
Kerb Weight
2315 kg
2825 kg
Gross Vehicle
Weight
Weight
2950 kg
Weight Difference:
190 kg
8.21 %
General
Porsche Cayenne Coupé S
Mercedes ML 420 CDI DPF
9YA
Generation
W164
Sport Utility Vehicle
Car Body Style
Sport Utility Vehicle
Super Unleaded (98 RON)
Fuel Type
Diesel

Permanent all-wheel drive
Drive
Permanent all-wheel drive

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

4
Valves
4
6
Cylinders
8
2894 CC
Engine Capacity
3996 CC
434 bhp
at 5700 rpm
Power
302 bhp
at 3600 rpm
Porsche Cayenne Coupé S
434 bhp
302 bhp
Mercedes ML 420 CDI DPF
550 NM
at 1800 rpm
Max. Torque
700 NM
at 2000 rpm
Porsche Cayenne Coupé S
550 NM
700 NM
Mercedes ML 420 CDI DPF
Performance
Porsche Cayenne Coupé S
Mercedes ML 420 CDI DPF
163 mph
Maximum Speed
146 mph
5 sec
Acceleration 0 to 62 mph
6.8 sec
62 mph
62
mph
mph
69 m
0.000 sec
Porsche Cayenne Coupé S
62 mph
62
mph
mph
94 m
0.000 sec
Mercedes ML 420 CDI DPF
▶ REPLAY
4.9 kg/bhp
Weight-to-Power Ratio
7.67 kg/bhp
Porsche Cayenne Coupé S
4.9 kg/bhp
7.67 kg/bhp
Mercedes ML 420 CDI DPF
Fuel Economy / Emissions
Porsche Cayenne Coupé S
Mercedes ML 420 CDI DPF
Fuel Economy
30 mpg
combined
25 mpg
Porsche Cayenne Coupé S
30 mpg
25 mpg
Mercedes ML 420 CDI DPF
25 mpg
city
20 mpg
34 mpg
motorway
31 mpg
75 L
Fuel Tank Capacity
95 L
496 mi
Range
532 mi
Porsche Cayenne Coupé S
496 mi
532 mi
Mercedes ML 420 CDI DPF
Environmental Impact
178.2 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).
228.4 kWh
Porsche Cayenne Coupé S
178.2 kWh
228.4 kWh
Mercedes ML 420 CDI DPF
Euro 6d-TEMP-EVAP-ISC (WLTP) 36CH, 36CI, 36DG
Emission Standard
Euro 4 III
270 g/km (WLTP)
CO2 Emissions
294 g/km (NEFZ)
Practical Convenience
Porsche Cayenne Coupé S
Mercedes ML 420 CDI DPF
5
Doors
5
4
No. of Seats
5
700 kg
Maximum Payload
635 kg
625 L
Boot Capacity
500 L









1540 L
Boot Capacity (Seats Down)
2050 L



















