The Comparative Analysis :
Audi Q7 3.0 TDI quattro tiptronic (15 - 18) vs. Mercedes ML 420 CDI DPF 4MATIC 7G-TRONIC (06 - 08)
€ 64,400

€ 70,400

€ 64,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 70,400
ⓘ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 Audi Q7 3.0 TDI is 10.4 inches longer, 2.2 inches wider and 2.9 inches lower than the Mercedes ML 420 CDI DPF.
Audi Q7 3.0 TDI
Mercedes ML 420 CDI DPF
68.5
77.5
87.1
71.5
75.2
83.7
77.5 in
Width
75.2 in
87.1 in
Width Incl. Mirrors
83.7 in
68.5 in
Height
71.5 in
117.9
198.9
114.8
188.5
198.9 in
Length
188.5 in
117.9 in
Wheelbase
114.8 in
Vehicle Weight
Audi Q7 3.0 TDI
Mercedes ML 420 CDI DPF
4564 lb
Curb Weight
5104 lb
6096 lb
Gross Vehicle
Weight
Weight
6504 lb

Weight Difference:
540 lb
10.58 %

General
Audi Q7 3.0 TDI
Mercedes ML 420 CDI DPF
4M
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
Audi Q7 3.0 TDI
Mercedes ML 420 CDI DPF
V6 diesel engine with turbocharger
Engine Type
V8 diesel engine with turbocharger
Engine Series
Mercedes-Benz OM 629
CRTC
Engine Code
OM 629.912

4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4 L / 196 cu in
268 hp
at 3250 rpm
Power
302 hp
at 3600 rpm
Audi Q7 3.0 TDI
268 hp
302 hp
Mercedes ML 420 CDI DPF
443 lb‑ft
at 1500 rpm
Max. Torque
516 lb‑ft
at 2000 rpm
Audi Q7 3.0 TDI
443 lb‑ft
516 lb‑ft
Mercedes ML 420 CDI DPF
Performance
Audi Q7 3.0 TDI
Mercedes ML 420 CDI DPF
145 mph
Maximum Speed
146 mph
6.3 sec
Acceleration 0 to 62 mph
6.8 sec
62 mph
62
mph
mph
289 ft
0.000 sec

Audi Q7 3.0 TDI
62 mph
62
mph
mph
308 ft
0.000 sec

Mercedes ML 420 CDI DPF
▶ REPLAY
17.03 lb/hp
Weight-to-Power Ratio
16.9 lb/hp
Audi Q7 3.0 TDI
17.03 lb/hp
16.9 lb/hp
Mercedes ML 420 CDI DPF
Fuel Economy / Emissions
Audi Q7 3.0 TDI
Mercedes ML 420 CDI DPF
Fuel Economy
40 mpg
combined
21 mpg
Audi Q7 3.0 TDI
40 mpg
21 mpg
Mercedes ML 420 CDI DPF
37 mpg
city
16 mpg
No data
highway
26 mpg
19.8 gal
Fuel Tank Capacity
25.1 gal
790 mi
Range
532 mi
Audi Q7 3.0 TDI
790 mi
532 mi
Mercedes ML 420 CDI DPF
Environmental Impact
121.3 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).
228.4 kWh
Audi Q7 3.0 TDI
121.3 kWh
228.4 kWh
Mercedes ML 420 CDI DPF
Euro 6b (NEFZ)
Emission Standard
Euro 4 III
248 g/mi (NEFZ)
CO2 Emissions
473 g/mi (NEFZ)
Practical Convenience
Audi Q7 3.0 TDI
Mercedes ML 420 CDI DPF
5
Doors
5
5
No. of Seats
5
1532 lb
Maximum Payload
1400 lb
25.2 cu ft
Trunk Volume
14.2 cu ft












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