The Comparative Analysis :
Audi A8 3.0 TFSI quattro tiptronic (13 - 14) vs. Mercedes S 450 7G-TRONIC (06 - 09)
€ 79,100
€ 83,700
€ 79,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 83,700
ⓘ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 TFSI is 2.2 inches longer, 3.1 inches wider and 0.5 inches lower than the Mercedes S 450.
Audi A8 3.0 TFSI
Mercedes S 450
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
119.5
200
202.2 in
Length
200 in
117.8 in
Wheelbase
119.5 in
Vehicle Weight
Audi A8 3.0 TFSI
Mercedes S 450
4200 lb
Curb Weight
4277 lb
5556 lb
Gross Vehicle
Weight
Weight
5611 lb
Weight Difference:
77 lb
1.8 %
General
Audi A8 3.0 TFSI
Mercedes S 450
D4 (4H)
Generation
W221
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
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 TFSI
Mercedes S 450
V6 gasoline engine with turbocharger
Engine Type
V8 gasoline engine (naturally aspirated engine)
Engine Series
Mercedes-Benz M 273
CGWD, CREA
Engine Code
M 273.922
4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4.7 L / 230 cu in
306 hp
at 5200 rpm
Power
335 hp
at 6000 rpm
Audi A8 3.0 TFSI
306 hp
335 hp
Mercedes S 450
325 lb‑ft
at 2900 rpm
Max. Torque
339 lb‑ft
at 2700 rpm
Audi A8 3.0 TFSI
325 lb‑ft
339 lb‑ft
Mercedes S 450
Performance
Audi A8 3.0 TFSI
Mercedes S 450
155 mph
Maximum Speed
155 mph
5.7 sec
Acceleration 0 to 62 mph
5.9 sec
62 mph
62
mph
mph
259 ft
0.000 sec
Audi A8 3.0 TFSI
62 mph
62
mph
mph
269 ft
0.000 sec
Mercedes S 450
▶ REPLAY
13.73 lb/hp
Weight-to-Power Ratio
12.77 lb/hp
Audi A8 3.0 TFSI
13.73 lb/hp
12.77 lb/hp
Mercedes S 450
Fuel Economy / Emissions
Audi A8 3.0 TFSI
Mercedes S 450
Fuel Economy
30 mpg
combined
21 mpg
Audi A8 3.0 TFSI
30 mpg
21 mpg
Mercedes S 450
22 mpg
city
14 mpg
No data
highway
29 mpg
21.7 gal
Fuel Tank Capacity
23.8 gal
653 mi
Range
500 mi
Audi A8 3.0 TFSI
653 mi
500 mi
Mercedes S 450
Environmental Impact
147.7 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).
212.1 kWh
Audi A8 3.0 TFSI
147.7 kWh
212.1 kWh
Mercedes S 450
Euro 6b (NEFZ)
Emission Standard
Euro 4 III
295 g/mi (NEFZ)
CO2 Emissions
430 g/mi (NEFZ)
Practical Convenience
Audi A8 3.0 TFSI
Mercedes S 450
4
Doors
4
5
No. of Seats
5
1356 lb
Maximum Payload
1334 lb
13.9 cu ft
Trunk Volume
15.9 cu ft
No data
Cargo Volume (Seats Down)
No data
