The Comparative Analysis :
Mercedes ML 420 CDI 4MATIC 7G-TRONIC (08 - 11) vs. Porsche Cayenne Diesel Tiptronic S (11 - 14)
€ 72,100
€ 62,900
€ 72,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 62,900
ⓘ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 2.3 inches shorter, 1.1 inches narrower and 4.3 inches taller than the Porsche Cayenne Diesel.
Mercedes ML 420 CDI
Porsche Cayenne Diesel
71.5
75.2
83.7
67.1
76.3
84.1
75.2 in
Width
76.3 in
83.7 in
Width Incl. Mirrors
84.1 in
71.5 in
Height
67.1 in
114.8
188.5
114
190.8
188.5 in
Length
190.8 in
114.8 in
Wheelbase
114 in
Vehicle Weight
Mercedes ML 420 CDI
Porsche Cayenne Diesel
5104 lb
Curb Weight
4751 lb
6504 lb
Gross Vehicle
Weight
Weight
6261 lb
Weight Difference:
353 lb
6.92 %
General
Mercedes ML 420 CDI
Porsche Cayenne Diesel
W164
Generation
92A/958
Sport Utility Vehicle
Car Body Style
Sport Utility Vehicle
Diesel
Fuel Type
Diesel
Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)
7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes ML 420 CDI
Porsche Cayenne Diesel
V8 diesel engine with turbocharger
Engine Type
V6 diesel engine with turbocharger
Mercedes-Benz OM 629
Engine Series
OM 629.912
Engine Code
4
Valves
4
8
Cylinders
6
4 L / 196 cu in
Displacement
3 L / 147 cu in
302 hp
at 3600 rpm
Power
242 hp
at 3800 rpm
Mercedes ML 420 CDI
302 hp
242 hp
Porsche Cayenne Diesel
516 lb‑ft
at 2000 rpm
Max. Torque
406 lb‑ft
at 1750 rpm
Mercedes ML 420 CDI
516 lb‑ft
406 lb‑ft
Porsche Cayenne Diesel
Performance
Mercedes ML 420 CDI
Porsche Cayenne Diesel
146 mph
Maximum Speed
137 mph
6.8 sec
Acceleration 0 to 62 mph
7.6 sec
62 mph
62
mph
mph
308 ft
0.000 sec
Mercedes ML 420 CDI
62 mph
62
mph
mph
348 ft
0.000 sec
Porsche Cayenne Diesel
▶ REPLAY
16.9 lb/hp
Weight-to-Power Ratio
19.63 lb/hp
Mercedes ML 420 CDI
16.9 lb/hp
19.63 lb/hp
Porsche Cayenne Diesel
Fuel Economy / Emissions
Mercedes ML 420 CDI
Porsche Cayenne Diesel
Fuel Economy
22 mpg
combined
33 mpg
Mercedes ML 420 CDI
22 mpg
33 mpg
Porsche Cayenne Diesel
17 mpg
city
28 mpg
28 mpg
highway
36 mpg
25.1 gal
Fuel Tank Capacity
22.5 gal
557 mi
Range
734 mi
Mercedes ML 420 CDI
557 mi
734 mi
Porsche Cayenne Diesel
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).
148.1 kWh
Mercedes ML 420 CDI
218.1 kWh
148.1 kWh
Porsche Cayenne Diesel
Euro 4 III
Emission Standard
Euro 5
449 g/mi (NEFZ)
CO2 Emissions
304 g/mi (NEFZ)
Practical Convenience
Mercedes ML 420 CDI
Porsche Cayenne Diesel
5
Doors
5
5
No. of Seats
5
1400 lb
Maximum Payload
1510 lb
14.2 cu ft
Trunk Volume
19 cu ft
58 cu ft
Cargo Volume (Seats Down)
50.4 cu ft
