The Comparative Analysis :
Mercedes ML 420 CDI DPF 4MATIC 7G-TRONIC (06 - 08) vs. Porsche Cayenne Coupé E-Hybrid Tiptronic S (19 - ..)
€ 70,400

€ 96,000

€ 70,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 96,000
ⓘ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 Mercedes ML 420 CDI DPF is 5.6 inches shorter, 2.8 inches narrower and 5.5 inches taller than the Porsche Cayenne Coupé E-Hybrid.
Mercedes ML 420 CDI DPF
Porsche Cayenne Coupé E-Hybrid
71.5
75.2
83.7
66
78.1
86.4
75.2 in
Width
78.1 in
83.7 in
Width Incl. Mirrors
86.4 in
71.5 in
Height
66 in
114.8
188.5
114
194.1
188.5 in
Length
194.1 in
114.8 in
Wheelbase
114 in
Vehicle Weight
Mercedes ML 420 CDI DPF
Porsche Cayenne Coupé E-Hybrid
5104 lb
Curb Weight
5368 lb
6504 lb
Gross Vehicle
Weight
Weight
6735 lb

Weight Difference:
265 lb
4.94 %

General
Mercedes ML 420 CDI DPF
Porsche Cayenne Coupé E-Hybrid
W164
Generation
9YA
Sport Utility Vehicle
Car Body Style
Sport Utility Vehicle
Diesel
Fuel Type
Mid-Grade 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 Coupé E-Hybrid
V8 diesel engine with turbocharger
Engine Type
6-cylinder plug-in hybrid gasoline engine with two turbochargers (biturbo)
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
456 hp
at 5250 rpm
Mercedes ML 420 CDI DPF
302 hp
456 hp
Porsche Cayenne Coupé E-Hybrid
516 lb‑ft
at 2000 rpm
Max. Torque
516 lb‑ft
at 1000 rpm
Mercedes ML 420 CDI DPF
516 lb‑ft
516 lb‑ft
Porsche Cayenne Coupé E-Hybrid
Performance
Mercedes ML 420 CDI DPF
Porsche Cayenne Coupé E-Hybrid
146 mph
Maximum Speed
157 mph
6.8 sec
Acceleration 0 to 62 mph
5.1 sec
62 mph
62
mph
mph
308 ft
0.000 sec

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

Porsche Cayenne Coupé E-Hybrid
▶ REPLAY
16.9 lb/hp
Weight-to-Power Ratio
11.77 lb/hp
Mercedes ML 420 CDI DPF
16.9 lb/hp
11.77 lb/hp
Porsche Cayenne Coupé E-Hybrid
Fuel Economy / Emissions
Mercedes ML 420 CDI DPF
Porsche Cayenne Coupé E-Hybrid
Fuel Economy
21 mpg
combined
74 mpg
Mercedes ML 420 CDI DPF
21 mpg
74 mpg
Porsche Cayenne Coupé E-Hybrid
16 mpg
city
No data
26 mpg
highway
No data
25.1 gal
Fuel Tank Capacity
19.8 gal
532 mi
Range
1456 mi
Mercedes ML 420 CDI DPF
532 mi
1456 mi
Porsche Cayenne Coupé E-Hybrid
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).
60.7 kWh
Mercedes ML 420 CDI DPF
228.4 kWh
60.7 kWh
Porsche Cayenne Coupé E-Hybrid
Euro 4 III
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP) 36CH, 36CI, 36DG
473 g/mi (NEFZ)
CO2 Emissions
145 g/mi (WLTP)
Practical Convenience
Mercedes ML 420 CDI DPF
Porsche Cayenne Coupé E-Hybrid
5
Doors
5
5
No. of Seats
4
1400 lb
Maximum Payload
1367 lb
14.2 cu ft
Trunk Volume
14.2 cu ft








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