The Comparative Analysis :
Porsche Cayenne Diesel Tiptronic S (11 - 14) vs. Mercedes ML 420 CDI DPF 4MATIC 7G-TRONIC (06 - 08)
€ 62,900
€ 70,400
€ 62,900
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 slightly. The Porsche Cayenne Diesel is 2.3 inches longer, 1.1 inches wider and 4.3 inches lower than the Mercedes ML 420 CDI DPF.
Porsche Cayenne Diesel
Mercedes ML 420 CDI DPF
67.1
76.3
84.1
71.5
75.2
83.7
76.3 in
Width
75.2 in
84.1 in
Width Incl. Mirrors
83.7 in
67.1 in
Height
71.5 in
114
190.8
114.8
188.5
190.8 in
Length
188.5 in
114 in
Wheelbase
114.8 in
Vehicle Weight
Porsche Cayenne Diesel
Mercedes ML 420 CDI DPF
4751 lb
Curb Weight
5104 lb
6261 lb
Gross Vehicle
Weight
Weight
6504 lb
Weight Difference:
353 lb
6.92 %
General
Porsche Cayenne Diesel
Mercedes ML 420 CDI DPF
92A/958
Generation
W164
Sport Utility Vehicle
Car Body Style
Sport Utility Vehicle
Diesel
Fuel Type
Diesel
Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
Porsche Cayenne Diesel
Mercedes ML 420 CDI DPF
V6 diesel engine with turbocharger
Engine Type
V8 diesel engine with turbocharger
Engine Series
Mercedes-Benz OM 629
Engine Code
OM 629.912
4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4 L / 196 cu in
242 hp
at 3800 rpm
Power
302 hp
at 3600 rpm
Porsche Cayenne Diesel
242 hp
302 hp
Mercedes ML 420 CDI DPF
406 lb‑ft
at 1750 rpm
Max. Torque
516 lb‑ft
at 2000 rpm
Porsche Cayenne Diesel
406 lb‑ft
516 lb‑ft
Mercedes ML 420 CDI DPF
Performance
Porsche Cayenne Diesel
Mercedes ML 420 CDI DPF
137 mph
Maximum Speed
146 mph
7.6 sec
Acceleration 0 to 62 mph
6.8 sec
62 mph
62
mph
mph
348 ft
0.000 sec
Porsche Cayenne Diesel
62 mph
62
mph
mph
308 ft
0.000 sec
Mercedes ML 420 CDI DPF
▶ REPLAY
19.63 lb/hp
Weight-to-Power Ratio
16.9 lb/hp
Porsche Cayenne Diesel
19.63 lb/hp
16.9 lb/hp
Mercedes ML 420 CDI DPF
Fuel Economy / Emissions
Porsche Cayenne Diesel
Mercedes ML 420 CDI DPF
Fuel Economy
33 mpg
combined
21 mpg
Porsche Cayenne Diesel
33 mpg
21 mpg
Mercedes ML 420 CDI DPF
28 mpg
city
16 mpg
36 mpg
highway
26 mpg
22.5 gal
Fuel Tank Capacity
25.1 gal
734 mi
Range
532 mi
Porsche Cayenne Diesel
734 mi
532 mi
Mercedes ML 420 CDI DPF
Environmental Impact
148.1 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 Diesel
148.1 kWh
228.4 kWh
Mercedes ML 420 CDI DPF
Euro 5
Emission Standard
Euro 4 III
304 g/mi (NEFZ)
CO2 Emissions
473 g/mi (NEFZ)
Practical Convenience
Porsche Cayenne Diesel
Mercedes ML 420 CDI DPF
5
Doors
5
5
No. of Seats
5
1510 lb
Maximum Payload
1400 lb
19 cu ft
Trunk Volume
14.2 cu ft
50.4 cu ft
Cargo Volume (Seats Down)
58 cu ft
