The Comparative Analysis :
Mercedes S 450 long 7G-TRONIC (06 - 09) vs. Audi A8 3.0 TFSI quattro tiptronic (13 - 14)
€ 91,600
€ 79,100
€ 91,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 79,100
ⓘ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 long is 3 inches longer, 3.1 inches narrower and 0.5 inches taller than the Audi A8 3.0 TFSI.
Mercedes S 450 long
Audi A8 3.0 TFSI
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
124.6
205.1
117.8
202.2
205.1 in
Length
202.2 in
124.6 in
Wheelbase
117.8 in
Vehicle Weight
Mercedes S 450 long
Audi A8 3.0 TFSI
4376 lb
Curb Weight
4200 lb
5655 lb
Gross Vehicle
Weight
Weight
5556 lb
Weight Difference:
176 lb
4.02 %
General
Mercedes S 450 long
Audi A8 3.0 TFSI
W221
Generation
D4 (4H)
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes S 450 long
Audi A8 3.0 TFSI
V8 gasoline engine (naturally aspirated engine)
Engine Type
V6 gasoline engine with turbocharger
Mercedes-Benz M 273
Engine Series
M 273.922
Engine Code
CGWD, CREA
4
Valves
4
8
Cylinders
6
4.7 L / 230 cu in
Displacement
3 L / 147 cu in
335 hp
at 6000 rpm
Power
306 hp
at 5200 rpm
Mercedes S 450 long
335 hp
306 hp
Audi A8 3.0 TFSI
339 lb‑ft
at 2700 rpm
Max. Torque
325 lb‑ft
at 2900 rpm
Mercedes S 450 long
339 lb‑ft
325 lb‑ft
Audi A8 3.0 TFSI
Performance
Mercedes S 450 long
Audi A8 3.0 TFSI
155 mph
Maximum Speed
155 mph
5.9 sec
Acceleration 0 to 62 mph
5.7 sec
62 mph
62
mph
mph
269 ft
0.000 sec
Mercedes S 450 long
62 mph
62
mph
mph
259 ft
0.000 sec
Audi A8 3.0 TFSI
▶ REPLAY
13.06 lb/hp
Weight-to-Power Ratio
13.73 lb/hp
Mercedes S 450 long
13.06 lb/hp
13.73 lb/hp
Audi A8 3.0 TFSI
Fuel Economy / Emissions
Mercedes S 450 long
Audi A8 3.0 TFSI
Fuel Economy
21 mpg
combined
30 mpg
Mercedes S 450 long
21 mpg
30 mpg
Audi A8 3.0 TFSI
14 mpg
city
22 mpg
29 mpg
highway
No data
23.8 gal
Fuel Tank Capacity
21.7 gal
495 mi
Range
653 mi
Mercedes S 450 long
495 mi
653 mi
Audi A8 3.0 TFSI
Environmental Impact
214 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).
147.7 kWh
Mercedes S 450 long
214 kWh
147.7 kWh
Audi A8 3.0 TFSI
Euro 4 III
Emission Standard
Euro 6b (NEFZ)
433 g/mi (NEFZ)
CO2 Emissions
295 g/mi (NEFZ)
Practical Convenience
Mercedes S 450 long
Audi A8 3.0 TFSI
4
Doors
4
5
No. of Seats
5
1279 lb
Maximum Payload
1356 lb
15.9 cu ft
Trunk Volume
13.9 cu ft
No data
Cargo Volume (Seats Down)
No data
