The Comparative Analysis :

Audi A8 L 4.2 TDI quattro tiptronic (10 - 13) vs. Mercedes S 450 long 7G-TRONIC (06 - 09)

€ 97,700
Audi A8 L 4.2 TDI quattro tiptronic (10 - 13) Audi A8 L 4.2 TDI
€ 91,600
 Mercedes S 450 long 7G-TRONIC (06 - 09) Mercedes S 450 long
€ 97,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 91,600

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

Vehicle Dimensions

The Audi A8 L 4.2 TDI is considerably bigger in every dimension. It's 2.2 inches longer, 3.1 inches wider and 10.6 inches taller than the Mercedes S 450 long.
Audi A8 L 4.2 TDI
Mercedes S 450 long
68.5
Blueprint Audi A8 L 4.2 TDI quattro tiptronic (10 - 13)
76.7
83.1
58
Blueprint Mercedes S 450 long 7G-TRONIC (06 - 09)
73.7
83.5
76.7 in
Width
73.7 in
83.1 in
Width Incl. Mirrors
83.5 in
68.5 in
Height
58 in
Blueprint Audi A8 L 4.2 TDI quattro tiptronic (10 - 13)
122.9
207.4
Blueprint Mercedes S 450 long 7G-TRONIC (06 - 09)
124.6
205.1
207.4 in
Length
205.1 in
122.9 in
Wheelbase
124.6 in

Vehicle Weight

Audi A8 L 4.2 TDI
Mercedes S 450 long
4674 lb
Curb Weight
4376 lb
5886 lb
Gross Vehicle
Weight
5655 lb
Audi A8 L 4.2 TDI quattro tiptronic (10 - 13)
Weight Difference:
298 lb
6.38 %
Mercedes S 450 long 7G-TRONIC (06 - 09)

General

Audi A8 L 4.2 TDI
Mercedes S 450 long
D4 (4H)
Generation
W221
Sedan
Car Body Style
Sedan
Diesel
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 L 4.2 TDI
Mercedes S 450 long
V8 diesel engine with two tur­bo­chargers (bi­turbo)
Engine Type
V8 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Series
Mercedes-Benz M 273
CDSB
Engine Code
M 273.922
4
Valves
4
8
Cylinders
8
4.1 L / 201 cu in
Displacement
4.7 L / 230 cu in
346 hp
at 4000 rpm
Power
335 hp
at 6000 rpm
Audi A8 L 4.2 TDI
346 hp
335 hp
Mercedes S 450 long
590 lb‑ft
at 1750 rpm
Max. Torque
339 lb‑ft
at 2700 rpm
Audi A8 L 4.2 TDI
590 lb‑ft
339 lb‑ft
Mercedes S 450 long

Performance

Audi A8 L 4.2 TDI
Mercedes S 450 long
155 mph
Maximum Speed
155 mph
5.6 sec
Acceleration 0 to 62 mph
5.9 sec
62 mph 62
mph

256 ft
0.000 sec

Audi A8 L 4.2 TDI

62 mph 62
mph

269 ft
0.000 sec

Mercedes S 450 long

▶ REPLAY
13.51 lb/hp
Weight-to-Power Ratio
13.06 lb/hp
Audi A8 L 4.2 TDI
13.51 lb/hp
13.06 lb/hp
Mercedes S 450 long

Fuel Economy / Emissions

Audi A8 L 4.2 TDI
Mercedes S 450 long
Fuel Economy
31 mpg
combined
21 mpg
Audi A8 L 4.2 TDI
31 mpg
21 mpg
Mercedes S 450 long
25 mpg
city
14 mpg
No data
highway
29 mpg
Kraftstoffanzeige
23.8 gal
Fuel Tank Capacity
23.8 gal
Kraftstoffanzeige
746 mi
Range
495 mi
Audi A8 L 4.2 TDI
746 mi
495 mi
Mercedes S 450 long
Environmental Impact
154.3 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).
214 kWh
Audi A8 L 4.2 TDI
154.3 kWh
214 kWh
Mercedes S 450 long
Euro 5
Emission Standard
Euro 4 III
319 g/mi (NEFZ)
CO2 Emissions
433 g/mi (NEFZ)

Practical Convenience

Audi A8 L 4.2 TDI
Mercedes S 450 long
4
Doors
4
5
No. of Seats
5
1213 lb
Maximum Payload
1279 lb
14.4 cu ft
Trunk Volume
15.9 cu ft
No data
Cargo Volume (Seats Down)
No data