The Comparative Analysis :

Audi A8 3.0 TFSI quattro tiptronic (13 - 14) vs. Mercedes S 450 CDI 7G-TRONIC (09 - 10)

€ 79,100
Audi A8 3.0 TFSI quattro tiptronic (13 - 14) Audi A8 3.0 TFSI
€ 92,700
 Mercedes S 450 CDI 7G-TRONIC (09 - 10) Mercedes S 450 CDI
€ 79,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 92,700

ⓘ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 1.5 inches longer, 3.1 inches wider and an inch lower than the Mercedes S 450 CDI.
Audi A8 3.0 TFSI
Mercedes S 450 CDI
57.5
Blueprint Audi A8 3.0 TFSI quattro tiptronic (13 - 14)
76.7
83.1
58.5
Blueprint Mercedes S 450 CDI 7G-TRONIC (09 - 10)
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
Blueprint Audi A8 3.0 TFSI quattro tiptronic (13 - 14)
117.8
202.2
Blueprint Mercedes S 450 CDI 7G-TRONIC (09 - 10)
119.5
200.6
202.2 in
Length
200.6 in
117.8 in
Wheelbase
119.5 in

Vehicle Weight

Audi A8 3.0 TFSI
Mercedes S 450 CDI
4200 lb
Curb Weight
4608 lb
5556 lb
Gross Vehicle
Weight
5930 lb
Audi A8 3.0 TFSI quattro tiptronic (13 - 14)
Weight Difference:
408 lb
8.85 %
Mercedes S 450 CDI 7G-TRONIC (09 - 10)

General

Audi A8 3.0 TFSI
Mercedes S 450 CDI
D4 (4H)
Generation
W221
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Diesel
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 CDI
V6 gasoline engine with tur­bo­charger
Engine Type
V8 diesel engine with tur­bo­charger
Engine Series
Mercedes-Benz OM 629
CGWD, CREA
Engine Code
OM 629.911
4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4 L / 196 cu in
306 hp
at 5200 rpm
Power
316 hp
at 3600 rpm
Audi A8 3.0 TFSI
306 hp
316 hp
Mercedes S 450 CDI
325 lb‑ft
at 2900 rpm
Max. Torque
538 lb‑ft
at 2200 rpm
Audi A8 3.0 TFSI
325 lb‑ft
538 lb‑ft
Mercedes S 450 CDI

Performance

Audi A8 3.0 TFSI
Mercedes S 450 CDI
155 mph
Maximum Speed
155 mph
5.7 sec
Acceleration 0 to 62 mph
6.6 sec
62 mph 62
mph

259 ft
0.000 sec

Audi A8 3.0 TFSI

62 mph 62
mph

302 ft
0.000 sec

Mercedes S 450 CDI

▶ REPLAY
13.73 lb/hp
Weight-to-Power Ratio
14.58 lb/hp
Audi A8 3.0 TFSI
13.73 lb/hp
14.58 lb/hp
Mercedes S 450 CDI

Fuel Economy / Emissions

Audi A8 3.0 TFSI
Mercedes S 450 CDI
Fuel Economy
30 mpg
combined
26 mpg
Audi A8 3.0 TFSI
30 mpg
26 mpg
Mercedes S 450 CDI
22 mpg
city
18 mpg
No data
highway
34 mpg
Kraftstoffanzeige
21.7 gal
Fuel Tank Capacity
23.8 gal
Kraftstoffanzeige
653 mi
Range
615 mi
Audi A8 3.0 TFSI
653 mi
615 mi
Mercedes S 450 CDI
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).
187.2 kWh
Audi A8 3.0 TFSI
147.7 kWh
187.2 kWh
Mercedes S 450 CDI
Euro 6b (NEFZ)
Emission Standard
Euro 4 III
295 g/mi (NEFZ)
CO2 Emissions
386 g/mi (NEFZ)

Practical Convenience

Audi A8 3.0 TFSI
Mercedes S 450 CDI
4
Doors
4
5
No. of Seats
5
1356 lb
Maximum Payload
1323 lb
13.9 cu ft
Trunk Volume
15.9 cu ft
No data
Cargo Volume (Seats Down)
No data