The Comparative Analysis :

Mercedes S 450 4MATIC 7G-TRONIC Sport (09 - 10) vs. Audi A8 L 4.2 FSI quattro tiptronic (10 - 12)

€ 89,100
Mercedes S 450 4MATIC 7G-TRONIC Sport (09 - 10) Mercedes S 450
€ 96,100
 Audi A8 L 4.2 FSI quattro tiptronic (10 - 12) Audi A8 L 4.2 FSI
€ 89,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 96,100

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The Mercedes S 450 is significantly smaller in every dimension. It's 6.7 inches shorter, 3.1 inches narrower and 10.1 inches lower than the Audi A8 L 4.2 FSI.
Mercedes S 450
Audi A8 L 4.2 FSI
58.5
Blueprint Mercedes S 450 4MATIC 7G-TRONIC Sport (09 - 10)
73.7
83.5
68.5
Blueprint Audi A8 L 4.2 FSI quattro tiptronic (10 - 12)
76.7
83.1
73.7 in
Width
76.7 in
83.5 in
Width Incl. Mirrors
83.1 in
58.5 in
Height
68.5 in
Blueprint Mercedes S 450 4MATIC 7G-TRONIC Sport (09 - 10)
119.5
200.6
Blueprint Audi A8 L 4.2 FSI quattro tiptronic (10 - 12)
122.9
207.4
200.6 in
Length
207.4 in
119.5 in
Wheelbase
122.9 in

Vehicle Weight

Mercedes S 450
Audi A8 L 4.2 FSI
4475 lb
Curb Weight
4321 lb
5820 lb
Gross Vehicle
Weight
5589 lb
Mercedes S 450 4MATIC 7G-TRONIC Sport (09 - 10)
Weight Difference:
154 lb
3.44 %
Audi A8 L 4.2 FSI quattro tiptronic (10 - 12)

General

Mercedes S 450
Audi A8 L 4.2 FSI
W221
Generation
D4 (4H)
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)
7-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

Mercedes S 450
Audi A8 L 4.2 FSI
V8 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
V8 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Mercedes-Benz M 273
Engine Series
M 273.924
Engine Code
CDRA
4
Valves
4
8
Cylinders
8
4.7 L / 230 cu in
Displacement
4.2 L / 206 cu in
335 hp
at 6000 rpm
Power
366 hp
at 6800 rpm
Mercedes S 450
335 hp
366 hp
Audi A8 L 4.2 FSI
339 lb‑ft
at 2700 rpm
Max. Torque
328 lb‑ft
at 3500 rpm
Mercedes S 450
339 lb‑ft
328 lb‑ft
Audi A8 L 4.2 FSI

Performance

Mercedes S 450
Audi A8 L 4.2 FSI
155 mph
Maximum Speed
155 mph
5.9 sec
Acceleration 0 to 62 mph
5.8 sec
62 mph 62
mph

269 ft
0.000 sec

Mercedes S 450

62 mph 62
mph

266 ft
0.000 sec

Audi A8 L 4.2 FSI

▶ REPLAY
13.36 lb/hp
Weight-to-Power Ratio
11.81 lb/hp
Mercedes S 450
13.36 lb/hp
11.81 lb/hp
Audi A8 L 4.2 FSI

Fuel Economy / Emissions

Mercedes S 450
Audi A8 L 4.2 FSI
Fuel Economy
21 mpg
combined
24 mpg
Mercedes S 450
21 mpg
24 mpg
Audi A8 L 4.2 FSI
14 mpg
city
17 mpg
30 mpg
highway
No data
Kraftstoffanzeige
23.8 gal
Fuel Tank Capacity
23.8 gal
Kraftstoffanzeige
508 mi
Range
577 mi
Mercedes S 450
508 mi
577 mi
Audi A8 L 4.2 FSI
Environmental Impact
208.4 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).
183.8 kWh
Mercedes S 450
208.4 kWh
183.8 kWh
Audi A8 L 4.2 FSI
Euro 5
Emission Standard
Euro 5
412 g/mi (NEFZ)
CO2 Emissions
360 g/mi (NEFZ)

Practical Convenience

Mercedes S 450
Audi A8 L 4.2 FSI
4
Doors
4
5
No. of Seats
5
1345 lb
Maximum Payload
1268 lb
15.9 cu ft
Trunk Volume
14.4 cu ft
No data
Cargo Volume (Seats Down)
No data