The Comparative Analysis :
Mercedes ML 420 CDI 4MATIC 7G-TRONIC (08 - 11) vs. Porsche Cayenne S Tiptronic (07 - 10)
€ 72,100
€ 70,900
€ 72,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 70,900
ⓘ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 Mercedes ML 420 CDI is 0.4 inches shorter, 0.7 inches narrower and 4.6 inches taller than the Porsche Cayenne S.
Mercedes ML 420 CDI
Porsche Cayenne S
71.5
75.2
83.7
66.9
75.9
86.6
75.2 in
Width
75.9 in
83.7 in
Width Incl. Mirrors
86.6 in
71.5 in
Height
66.9 in
114.8
188.5
112.4
188.9
188.5 in
Length
188.9 in
114.8 in
Wheelbase
112.4 in
Vehicle Weight
Mercedes ML 420 CDI
Porsche Cayenne S
5104 lb
Curb Weight
5115 lb
6504 lb
Gross Vehicle
Weight
Weight
6790 lb
Weight Difference:
11 lb
0.22 %
General
Mercedes ML 420 CDI
Porsche Cayenne S
W164
Generation
9PA/955
Sport Utility Vehicle
Car Body Style
Sport Utility Vehicle
Diesel
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)
7-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
Mercedes ML 420 CDI
Porsche Cayenne S
V8 diesel engine with turbocharger
Engine Type
V8 gasoline engine (naturally aspirated engine)
Mercedes-Benz OM 629
Engine Series
OM 629.912
Engine Code
4
Valves
4
8
Cylinders
8
4 L / 196 cu in
Displacement
4.8 L / 235 cu in
302 hp
at 3600 rpm
Power
380 hp
at 6200 rpm
Mercedes ML 420 CDI
302 hp
380 hp
Porsche Cayenne S
516 lb‑ft
at 2000 rpm
Max. Torque
369 lb‑ft
at 3500 rpm
Mercedes ML 420 CDI
516 lb‑ft
369 lb‑ft
Porsche Cayenne S
Performance
Mercedes ML 420 CDI
Porsche Cayenne S
146 mph
Maximum Speed
155 mph
6.8 sec
Acceleration 0 to 62 mph
6.8 sec
62 mph
62
mph
mph
308 ft
0.000 sec
Mercedes ML 420 CDI
62 mph
62
mph
mph
308 ft
0.000 sec
Porsche Cayenne S
▶ REPLAY
16.9 lb/hp
Weight-to-Power Ratio
13.46 lb/hp
Mercedes ML 420 CDI
16.9 lb/hp
13.46 lb/hp
Porsche Cayenne S
Fuel Economy / Emissions
Mercedes ML 420 CDI
Porsche Cayenne S
Fuel Economy
22 mpg
combined
17 mpg
Mercedes ML 420 CDI
22 mpg
17 mpg
Porsche Cayenne S
17 mpg
city
12 mpg
28 mpg
highway
23 mpg
25.1 gal
Fuel Tank Capacity
26.4 gal
557 mi
Range
454 mi
Mercedes ML 420 CDI
557 mi
454 mi
Porsche Cayenne S
Environmental Impact
218.1 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).
259.6 kWh
Mercedes ML 420 CDI
218.1 kWh
259.6 kWh
Porsche Cayenne S
Euro 4 III
Emission Standard
Euro 4 III
449 g/mi (NEFZ)
CO2 Emissions
529 g/mi (NEFZ)
Practical Convenience
Mercedes ML 420 CDI
Porsche Cayenne S
5
Doors
5
5
No. of Seats
5
1400 lb
Maximum Payload
1676 lb
14.2 cu ft
Trunk Volume
15.3 cu ft
58 cu ft
Cargo Volume (Seats Down)
50.1 cu ft
