The Comparative Analysis :
Porsche Cayenne Diesel S Tiptronic S (14 - 17) vs. Mercedes ML 320 CDI DPF 4MATIC 7G-TRONIC (05 - 08)
€ 82,900

€ 53,600

€ 82,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 53,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ considerably. The Porsche Cayenne Diesel S is 2.6 inches longer, 1.1 inches wider and 4.3 inches lower than the Mercedes ML 320 CDI DPF.
Porsche Cayenne Diesel S
Mercedes ML 320 CDI DPF
67.1
76.3
85.2
71.5
75.2
83.7
76.3 in
Width
75.2 in
85.2 in
Width Incl. Mirrors
83.7 in
67.1 in
Height
71.5 in
114
191.1
114.8
188.5
191.1 in
Length
188.5 in
114 in
Wheelbase
114.8 in
Vehicle Weight
Porsche Cayenne Diesel S
Mercedes ML 320 CDI DPF
5049 lb
Curb Weight
4817 lb
6515 lb
Gross Vehicle
Weight
Weight
6239 lb

Weight Difference:
231 lb
4.58 %

General
Porsche Cayenne Diesel S
Mercedes ML 320 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 S
Mercedes ML 320 CDI DPF
V8 diesel engine with two turbochargers (biturbo)
Engine Type
V6 diesel engine with turbocharger
Engine Series
Mercedes-Benz OM 642
Engine Code
OM 642.940

4
Valves
4
8
Cylinders
6
4.1 L / 201 cu in
Displacement
3 L / 147 cu in
380 hp
at 3750 rpm
Power
221 hp
at 3800 rpm
Porsche Cayenne Diesel S
380 hp
221 hp
Mercedes ML 320 CDI DPF
627 lb‑ft
at 2000 rpm
Max. Torque
376 lb‑ft
at 1600 rpm
Porsche Cayenne Diesel S
627 lb‑ft
376 lb‑ft
Mercedes ML 320 CDI DPF
Performance
Porsche Cayenne Diesel S
Mercedes ML 320 CDI DPF
157 mph
Maximum Speed
134 mph
5.4 sec
Acceleration 0 to 62 mph
8.6 sec
62 mph
62
mph
mph
246 ft
0.000 sec

Porsche Cayenne Diesel S
62 mph
62
mph
mph
390 ft
0.000 sec

Mercedes ML 320 CDI DPF
▶ REPLAY
13.29 lb/hp
Weight-to-Power Ratio
21.8 lb/hp
Porsche Cayenne Diesel S
13.29 lb/hp
21.8 lb/hp
Mercedes ML 320 CDI DPF
Fuel Economy / Emissions
Porsche Cayenne Diesel S
Mercedes ML 320 CDI DPF
Fuel Economy
29 mpg
combined
25 mpg
Porsche Cayenne Diesel S
29 mpg
25 mpg
Mercedes ML 320 CDI DPF
24 mpg
city
19 mpg
34 mpg
highway
31 mpg
22.5 gal
Fuel Tank Capacity
25.1 gal
661 mi
Range
628 mi
Porsche Cayenne Diesel S
661 mi
628 mi
Mercedes ML 320 CDI DPF
Environmental Impact
164.6 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).
193.4 kWh
Porsche Cayenne Diesel S
164.6 kWh
193.4 kWh
Mercedes ML 320 CDI DPF
Euro 5 / Euro 6
Emission Standard
Euro 4 III
336 g/mi (NEFZ)
CO2 Emissions
401 g/mi (NEFZ)
Practical Convenience
Porsche Cayenne Diesel S
Mercedes ML 320 CDI DPF
5
Doors
5
5
No. of Seats
5
1466 lb
Maximum Payload
1422 lb
19 cu ft
Trunk Volume
14.2 cu ft










50.4 cu ft
Cargo Volume (Seats Down)
58 cu ft