The Comparative Analysis :
Mercedes S 450 7G-TRONIC (06 - 09) vs. Audi A8 3.0 TDI quattro tiptronic (10 - 13)
€ 83,700

€ 74,000

€ 83,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 74,000
ⓘ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 is 2.2 inches shorter, 3.1 inches narrower and 0.5 inches taller than the Audi A8 3.0 TDI.
Mercedes S 450
Audi A8 3.0 TDI
58
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 in
Height
57.5 in
119.5
200
117.8
202.2
200 in
Length
202.2 in
119.5 in
Wheelbase
117.8 in
Vehicle Weight
Mercedes S 450
Audi A8 3.0 TDI
4277 lb
Curb Weight
4222 lb
5611 lb
Gross Vehicle
Weight
Weight
5578 lb

Weight Difference:
55 lb
1.29 %

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

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

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

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

Mercedes S 450
62 mph
62
mph
mph
279 ft
0.000 sec

Audi A8 3.0 TDI
▶ REPLAY
12.77 lb/hp
Weight-to-Power Ratio
17.09 lb/hp
Mercedes S 450
12.77 lb/hp
17.09 lb/hp
Audi A8 3.0 TDI
Fuel Economy / Emissions
Mercedes S 450
Audi A8 3.0 TDI
Fuel Economy
21 mpg
combined
37 mpg
Mercedes S 450
21 mpg
37 mpg
Audi A8 3.0 TDI
14 mpg
city
30 mpg
29 mpg
highway
No data
23.8 gal
Fuel Tank Capacity
23.8 gal
500 mi
Range
874 mi
Mercedes S 450
500 mi
874 mi
Audi A8 3.0 TDI
Environmental Impact
212.1 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).
131.6 kWh
Mercedes S 450
212.1 kWh
131.6 kWh
Audi A8 3.0 TDI
Euro 4 III
Emission Standard
Euro 5
430 g/mi (NEFZ)
CO2 Emissions
272 g/mi (NEFZ)
Practical Convenience
Mercedes S 450
Audi A8 3.0 TDI
4
Doors
4
5
No. of Seats
5
1334 lb
Maximum Payload
1356 lb
15.9 cu ft
Trunk Volume
14.4 cu ft










No data
Cargo Volume (Seats Down)
No data