The Comparative Analysis :
Audi A8 4.2 FSI quattro tiptronic (10 - 12) vs. Mercedes S 450 4MATIC 7G-TRONIC Sport (09 - 10)
€ 91,100
€ 89,100
€ 91,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 89,100
ⓘ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 Audi A8 4.2 FSI is 1.6 inches longer, 3.1 inches wider and an inch lower than the Mercedes S 450.
Audi A8 4.2 FSI
Mercedes S 450
57.5
76.7
83.1
58.5
73.7
83.5
76.7 in
Width
73.7 in
83.1 in
Width Incl. Mirrors
83.5 in
57.5 in
Height
58.5 in
117.8
202.2
119.5
200.6
202.2 in
Length
200.6 in
117.8 in
Wheelbase
119.5 in
Vehicle Weight
Audi A8 4.2 FSI
Mercedes S 450
4211 lb
Curb Weight
4475 lb
5567 lb
Gross Vehicle
Weight
Weight
5820 lb
Weight Difference:
265 lb
5.92 %
General
Audi A8 4.2 FSI
Mercedes S 450
D4 (4H)
Generation
W221
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
Audi A8 4.2 FSI
Mercedes S 450
V8 gasoline engine (naturally aspirated engine)
Engine Type
V8 gasoline engine (naturally aspirated engine)
Engine Series
Mercedes-Benz M 273
CDRA
Engine Code
M 273.924
4
Valves
4
8
Cylinders
8
4.2 L / 206 cu in
Displacement
4.7 L / 230 cu in
366 hp
at 6800 rpm
Power
335 hp
at 6000 rpm
Audi A8 4.2 FSI
366 hp
335 hp
Mercedes S 450
328 lb‑ft
at 3500 rpm
Max. Torque
339 lb‑ft
at 2700 rpm
Audi A8 4.2 FSI
328 lb‑ft
339 lb‑ft
Mercedes S 450
Performance
Audi A8 4.2 FSI
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 4.2 FSI
62 mph
62
mph
mph
269 ft
0.000 sec
Mercedes S 450
▶ REPLAY
11.51 lb/hp
Weight-to-Power Ratio
13.36 lb/hp
Audi A8 4.2 FSI
11.51 lb/hp
13.36 lb/hp
Mercedes S 450
Fuel Economy / Emissions
Audi A8 4.2 FSI
Mercedes S 450
Fuel Economy
25 mpg
combined
21 mpg
Audi A8 4.2 FSI
25 mpg
21 mpg
Mercedes S 450
18 mpg
city
14 mpg
No data
highway
30 mpg
23.8 gal
Fuel Tank Capacity
23.8 gal
588 mi
Range
508 mi
Audi A8 4.2 FSI
588 mi
508 mi
Mercedes S 450
Environmental Impact
179.9 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).
208.4 kWh
Audi A8 4.2 FSI
179.9 kWh
208.4 kWh
Mercedes S 450
Euro 5
Emission Standard
Euro 5
352 g/mi (NEFZ)
CO2 Emissions
412 g/mi (NEFZ)
Practical Convenience
Audi A8 4.2 FSI
Mercedes S 450
4
Doors
4
5
No. of Seats
5
1356 lb
Maximum Payload
1345 lb
14.4 cu ft
Trunk Volume
15.9 cu ft
No data
Cargo Volume (Seats Down)
No data
