The Comparative Analysis :
Mercedes ML 420 CDI DPF 4MATIC 7G-TRONIC (06 - 08) vs. Porsche Cayenne Turbo Tiptronic S (10 - 14)
€ 70,400

€ 123,900

€ 70,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 123,900
ⓘ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 DPF is 2.3 inches shorter, 1.1 inches narrower and 4.4 inches taller than the Porsche Cayenne Turbo.
Mercedes ML 420 CDI DPF
Porsche Cayenne Turbo
71.5
75.2
83.7
67
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 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 DPF
Porsche Cayenne Turbo
5104 lb
Curb Weight
4949 lb
6504 lb
Gross Vehicle
Weight
Weight
6349 lb

Weight Difference:
154 lb
3.02 %

General
Mercedes ML 420 CDI DPF
Porsche Cayenne Turbo
W164
Generation
92A/958
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
8-speed automatic transmission
Engine
Mercedes ML 420 CDI DPF
Porsche Cayenne Turbo
V8 diesel engine with turbocharger
Engine Type
V8 gasoline engine with two turbochargers (biturbo)
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
493 hp
at 6000 rpm
Mercedes ML 420 CDI DPF
302 hp
493 hp
Porsche Cayenne Turbo
516 lb‑ft
at 2000 rpm
Max. Torque
516 lb‑ft
at 2250 rpm
Mercedes ML 420 CDI DPF
516 lb‑ft
516 lb‑ft
Porsche Cayenne Turbo
Performance
Mercedes ML 420 CDI DPF
Porsche Cayenne Turbo
146 mph
Maximum Speed
173 mph
6.8 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph
62
mph
mph
308 ft
0.000 sec

Mercedes ML 420 CDI DPF
62 mph
62
mph
mph
213 ft
0.000 sec

Porsche Cayenne Turbo
▶ REPLAY
16.9 lb/hp
Weight-to-Power Ratio
10.04 lb/hp
Mercedes ML 420 CDI DPF
16.9 lb/hp
10.04 lb/hp
Porsche Cayenne Turbo
Fuel Economy / Emissions
Mercedes ML 420 CDI DPF
Porsche Cayenne Turbo
Fuel Economy
21 mpg
combined
20 mpg
Mercedes ML 420 CDI DPF
21 mpg
20 mpg
Porsche Cayenne Turbo
16 mpg
city
15 mpg
26 mpg
highway
28 mpg
25.1 gal
Fuel Tank Capacity
26.4 gal
532 mi
Range
541 mi
Mercedes ML 420 CDI DPF
532 mi
541 mi
Porsche Cayenne Turbo
Environmental Impact
228.4 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).
217.9 kWh
Mercedes ML 420 CDI DPF
228.4 kWh
217.9 kWh
Porsche Cayenne Turbo
Euro 4 III
Emission Standard
Euro 5
473 g/mi (NEFZ)
CO2 Emissions
435 g/mi (NEFZ)
Practical Convenience
Mercedes ML 420 CDI DPF
Porsche Cayenne Turbo
5
Doors
5
5
No. of Seats
5
1400 lb
Maximum Payload
1400 lb
14.2 cu ft
Trunk Volume
19 cu ft










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