The Comparative Analysis :
Audi A8 3.0 TDI quattro tiptronic (10 - 13) vs. Mercedes S 450 long 7G-TRONIC (06 - 09)
€ 74,000

€ 91,600

€ 74,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 91,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The Audi A8 3.0 TDI is 2.9 inches shorter, 3.1 inches wider and 0.5 inches lower than the Mercedes S 450 long.
Audi A8 3.0 TDI
Mercedes S 450 long
57.5
76.7
83.1
58
73.7
83.5
76.7 in
Width
73.7 in
83.1 in
Width Incl. Mirrors
83.5 in
57.5 in
Height
58 in
117.8
202.2
124.6
205.1
202.2 in
Length
205.1 in
117.8 in
Wheelbase
124.6 in
Vehicle Weight
Audi A8 3.0 TDI
Mercedes S 450 long
4222 lb
Curb Weight
4376 lb
5578 lb
Gross Vehicle
Weight
Weight
5655 lb

Weight Difference:
154 lb
3.52 %

General
Audi A8 3.0 TDI
Mercedes S 450 long
D4 (4H)
Generation
W221
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Mid-Grade Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
Audi A8 3.0 TDI
Mercedes S 450 long
V6 diesel engine with turbocharger
Engine Type
V8 gasoline engine (naturally aspirated engine)
Engine Series
Mercedes-Benz M 273
CDTA, CMHA, CDTC
Engine Code
M 273.922

4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4.7 L / 230 cu in
247 hp
at 4000 rpm
Power
335 hp
at 6000 rpm
Audi A8 3.0 TDI
247 hp
335 hp
Mercedes S 450 long
406 lb‑ft
at 1500 rpm
Max. Torque
339 lb‑ft
at 2700 rpm
Audi A8 3.0 TDI
406 lb‑ft
339 lb‑ft
Mercedes S 450 long
Performance
Audi A8 3.0 TDI
Mercedes S 450 long
155 mph
Maximum Speed
155 mph
6.1 sec
Acceleration 0 to 62 mph
5.9 sec
62 mph
62
mph
mph
279 ft
0.000 sec

Audi A8 3.0 TDI
62 mph
62
mph
mph
269 ft
0.000 sec

Mercedes S 450 long
▶ REPLAY
17.09 lb/hp
Weight-to-Power Ratio
13.06 lb/hp
Audi A8 3.0 TDI
17.09 lb/hp
13.06 lb/hp
Mercedes S 450 long
Fuel Economy / Emissions
Audi A8 3.0 TDI
Mercedes S 450 long
Fuel Economy
37 mpg
combined
21 mpg
Audi A8 3.0 TDI
37 mpg
21 mpg
Mercedes S 450 long
30 mpg
city
14 mpg
No data
highway
29 mpg
23.8 gal
Fuel Tank Capacity
23.8 gal
874 mi
Range
495 mi
Audi A8 3.0 TDI
874 mi
495 mi
Mercedes S 450 long
Environmental Impact
131.6 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).
214 kWh
Audi A8 3.0 TDI
131.6 kWh
214 kWh
Mercedes S 450 long
Euro 5
Emission Standard
Euro 4 III
272 g/mi (NEFZ)
CO2 Emissions
433 g/mi (NEFZ)
Practical Convenience
Audi A8 3.0 TDI
Mercedes S 450 long
4
Doors
4
5
No. of Seats
5
1356 lb
Maximum Payload
1279 lb
14.4 cu ft
Trunk Volume
15.9 cu ft










No data
Cargo Volume (Seats Down)
No data