The Comparative Analysis :
Porsche Cayenne S (07 - 10) vs. Mercedes ML 420 CDI 4MATIC 7G-TRONIC (08 - 11)
€ 68,300
€ 72,100
€ 68,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 72,100
ⓘ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 S is 0.4 inches longer, 0.7 inches wider and 4.6 inches lower than the Mercedes ML 420 CDI.
Porsche Cayenne S
Mercedes ML 420 CDI
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 S
Mercedes ML 420 CDI
5071 lb
Curb Weight
5104 lb
6790 lb
Gross Vehicle
Weight
Weight
6504 lb
Weight Difference:
33 lb
0.65 %
General
Porsche Cayenne S
Mercedes ML 420 CDI
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 manual transmission
Transmission
7-speed automatic transmission
Engine
Porsche Cayenne S
Mercedes ML 420 CDI
V8 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
8
Cylinders
8
4.8 L / 235 cu in
Displacement
4 L / 196 cu in
380 hp
at 6200 rpm
Power
302 hp
at 3600 rpm
Porsche Cayenne S
380 hp
302 hp
Mercedes ML 420 CDI
369 lb‑ft
at 3500 rpm
Max. Torque
516 lb‑ft
at 2000 rpm
Porsche Cayenne S
369 lb‑ft
516 lb‑ft
Mercedes ML 420 CDI
Performance
Porsche Cayenne S
Mercedes ML 420 CDI
157 mph
Maximum Speed
146 mph
6.6 sec
Acceleration 0 to 62 mph
6.8 sec
62 mph
62
mph
mph
302 ft
0.000 sec
Porsche Cayenne S
62 mph
62
mph
mph
308 ft
0.000 sec
Mercedes ML 420 CDI
▶ REPLAY
13.34 lb/hp
Weight-to-Power Ratio
16.9 lb/hp
Porsche Cayenne S
13.34 lb/hp
16.9 lb/hp
Mercedes ML 420 CDI
Fuel Economy / Emissions
Porsche Cayenne S
Mercedes ML 420 CDI
Fuel Economy
16 mpg
combined
22 mpg
Porsche Cayenne S
16 mpg
22 mpg
Mercedes ML 420 CDI
11 mpg
city
17 mpg
22 mpg
highway
28 mpg
26.4 gal
Fuel Tank Capacity
25.1 gal
417 mi
Range
557 mi
Porsche Cayenne S
417 mi
557 mi
Mercedes ML 420 CDI
Environmental Impact
282.3 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).
218.1 kWh
Porsche Cayenne S
282.3 kWh
218.1 kWh
Mercedes ML 420 CDI
Euro 4 III
Emission Standard
Euro 4 III
576 g/mi (NEFZ)
CO2 Emissions
449 g/mi (NEFZ)
Practical Convenience
Porsche Cayenne S
Mercedes ML 420 CDI
5
Doors
5
5
No. of Seats
5
1720 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
