The Comparative Analysis :
Mercedes S 450 CDI 7G-TRONIC (09 - 10) vs. Audi A8 3.0 TDI tiptronic (11 - 13)
€ 92,700

€ 70,000

€ 92,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 70,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The Mercedes S 450 CDI is 1.6 inches shorter, 3.1 inches narrower and an inch taller than the Audi A8 3.0 TDI.
Mercedes S 450 CDI
Audi A8 3.0 TDI
58.5
73.7
83.5
57.5
76.7
83.1
73.7 in
Width
76.7 in
83.5 in
Width Incl. Mirrors
83.1 in
58.5 in
Height
57.5 in
119.5
200.6
117.8
202.2
200.6 in
Length
202.2 in
119.5 in
Wheelbase
117.8 in
Vehicle Weight
Mercedes S 450 CDI
Audi A8 3.0 TDI
4608 lb
Curb Weight
4123 lb
5930 lb
Gross Vehicle
Weight
Weight
5523 lb

Weight Difference:
485 lb
10.53 %

General
Mercedes S 450 CDI
Audi A8 3.0 TDI
W221
Generation
D4 (4H)
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Diesel

Rear-wheel drive
Drivetrain
Front-wheel drive

7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes S 450 CDI
Audi A8 3.0 TDI
V8 diesel engine with turbocharger
Engine Type
V6 diesel engine with turbocharger
Mercedes-Benz OM 629
Engine Series
OM 629.911
Engine Code
CLAB

4
Valves
4
8
Cylinders
6
4 L / 196 cu in
Displacement
3 L / 147 cu in
316 hp
at 3600 rpm
Power
201 hp
at 3750 rpm
Mercedes S 450 CDI
316 hp
201 hp
Audi A8 3.0 TDI
538 lb‑ft
at 2200 rpm
Max. Torque
295 lb‑ft
at 1250 rpm
Mercedes S 450 CDI
538 lb‑ft
295 lb‑ft
Audi A8 3.0 TDI
Performance
Mercedes S 450 CDI
Audi A8 3.0 TDI
155 mph
Maximum Speed
146 mph
6.6 sec
Acceleration 0 to 62 mph
7.9 sec
62 mph
62
mph
mph
302 ft
0.000 sec

Mercedes S 450 CDI
62 mph
62
mph
mph
361 ft
0.000 sec

Audi A8 3.0 TDI
▶ REPLAY
14.58 lb/hp
Weight-to-Power Ratio
20.51 lb/hp
Mercedes S 450 CDI
14.58 lb/hp
20.51 lb/hp
Audi A8 3.0 TDI
Fuel Economy / Emissions
Mercedes S 450 CDI
Audi A8 3.0 TDI
Fuel Economy
26 mpg
combined
39 mpg
Mercedes S 450 CDI
26 mpg
39 mpg
Audi A8 3.0 TDI
18 mpg
city
32 mpg
34 mpg
highway
No data
23.8 gal
Fuel Tank Capacity
23.8 gal
615 mi
Range
932 mi
Mercedes S 450 CDI
615 mi
932 mi
Audi A8 3.0 TDI
Environmental Impact
187.2 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).
123.4 kWh
Mercedes S 450 CDI
187.2 kWh
123.4 kWh
Audi A8 3.0 TDI
Euro 4 III
Emission Standard
Euro 5
386 g/mi (NEFZ)
CO2 Emissions
254 g/mi (NEFZ)
Practical Convenience
Mercedes S 450 CDI
Audi A8 3.0 TDI
4
Doors
4
5
No. of Seats
5
1323 lb
Maximum Payload
1400 lb
15.9 cu ft
Trunk Volume
14.4 cu ft










No data
Cargo Volume (Seats Down)
No data