The Comparative Analysis :
Porsche Cayenne Tiptronic (07 - 10) vs. Mercedes ML 420 CDI DPF 4MATIC 7G-TRONIC (06 - 08)
€ 55,600
€ 70,400
€ 55,600
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 is 0.4 inches longer, 0.7 inches wider and 4.6 inches lower than the Mercedes ML 420 CDI DPF.
Porsche Cayenne
Mercedes ML 420 CDI DPF
66.9
75.9
86.6
71.5
75.2
83.7
75.9 in
Width
75.2 in
86.6 in
Width Incl. Mirrors
83.7 in
66.9 in
Height
71.5 in
112.4
188.9
114.8
188.5
188.9 in
Length
188.5 in
112.4 in
Wheelbase
114.8 in
Vehicle Weight
Porsche Cayenne
Mercedes ML 420 CDI DPF
4949 lb
Curb Weight
5104 lb
6493 lb
Gross Vehicle
Weight
Weight
6504 lb
Weight Difference:
154 lb
3.02 %
General
Porsche Cayenne
Mercedes ML 420 CDI DPF
9PA/955
Generation
W164
Sport Utility Vehicle
Car Body Style
Sport Utility Vehicle
Premium Unleaded
Fuel Type
Diesel
Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)
6-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
Porsche Cayenne
Mercedes ML 420 CDI DPF
V6 gasoline engine (naturally aspirated engine)
Engine Type
V8 diesel engine with turbocharger
Engine Series
Mercedes-Benz OM 629
Engine Code
OM 629.912
4
Valves
4
6
Cylinders
8
3.6 L / 176 cu in
Displacement
4 L / 196 cu in
286 hp
at 6200 rpm
Power
302 hp
at 3600 rpm
Porsche Cayenne
286 hp
302 hp
Mercedes ML 420 CDI DPF
284 lb‑ft
at 3000 rpm
Max. Torque
516 lb‑ft
at 2000 rpm
Porsche Cayenne
284 lb‑ft
516 lb‑ft
Mercedes ML 420 CDI DPF
Performance
Porsche Cayenne
Mercedes ML 420 CDI DPF
141 mph
Maximum Speed
146 mph
8.5 sec
Acceleration 0 to 62 mph
6.8 sec
62 mph
62
mph
mph
387 ft
0.000 sec
Porsche Cayenne
62 mph
62
mph
mph
308 ft
0.000 sec
Mercedes ML 420 CDI DPF
▶ REPLAY
17.3 lb/hp
Weight-to-Power Ratio
16.9 lb/hp
Porsche Cayenne
17.3 lb/hp
16.9 lb/hp
Mercedes ML 420 CDI DPF
Fuel Economy / Emissions
Porsche Cayenne
Mercedes ML 420 CDI DPF
Fuel Economy
19 mpg
combined
21 mpg
Porsche Cayenne
19 mpg
21 mpg
Mercedes ML 420 CDI DPF
13 mpg
city
16 mpg
25 mpg
highway
26 mpg
26.4 gal
Fuel Tank Capacity
25.1 gal
501 mi
Range
532 mi
Porsche Cayenne
501 mi
532 mi
Mercedes ML 420 CDI DPF
Environmental Impact
235 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
235 kWh
228.4 kWh
Mercedes ML 420 CDI DPF
Euro 4 III
Emission Standard
Euro 4 III
476 g/mi (NEFZ)
CO2 Emissions
473 g/mi (NEFZ)
Practical Convenience
Porsche Cayenne
Mercedes ML 420 CDI DPF
5
Doors
5
5
No. of Seats
5
1543 lb
Maximum Payload
1400 lb
15.3 cu ft
Trunk Volume
14.2 cu ft
50.1 cu ft
Cargo Volume (Seats Down)
58 cu ft
