The Comparative Analysis :
Mercedes S 450 CDI long 7G-TRONIC (09 - 10) vs. Audi A8 4.2 FSI quattro tiptronic (10 - 12)
€ 101,000
€ 91,100
€ 101,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 91,100
ⓘ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 Mercedes S 450 CDI long is 3.5 inches longer, 3.1 inches narrower and an inch taller than the Audi A8 4.2 FSI.
Mercedes S 450 CDI long
Audi A8 4.2 FSI
58.5
73.7
83.5
57.5
76.7
83.1
73.7 in
Width
76.7 in
83.5 in
Width Incl. Mirrors
83.1 in
58.5 in
Height
57.5 in
124.6
205.7
117.8
202.2
205.7 in
Length
202.2 in
124.6 in
Wheelbase
117.8 in
Vehicle Weight
Mercedes S 450 CDI long
Audi A8 4.2 FSI
4740 lb
Curb Weight
4211 lb
5952 lb
Gross Vehicle
Weight
Weight
5567 lb
Weight Difference:
529 lb
11.16 %
General
Mercedes S 450 CDI long
Audi A8 4.2 FSI
W221
Generation
D4 (4H)
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes S 450 CDI long
Audi A8 4.2 FSI
V8 diesel engine with turbocharger
Engine Type
V8 gasoline engine (naturally aspirated engine)
Mercedes-Benz OM 629
Engine Series
OM 629.911
Engine Code
CDRA
4
Valves
4
8
Cylinders
8
4 L / 196 cu in
Displacement
4.2 L / 206 cu in
316 hp
at 3600 rpm
Power
366 hp
at 6800 rpm
Mercedes S 450 CDI long
316 hp
366 hp
Audi A8 4.2 FSI
538 lb‑ft
at 2200 rpm
Max. Torque
328 lb‑ft
at 3500 rpm
Mercedes S 450 CDI long
538 lb‑ft
328 lb‑ft
Audi A8 4.2 FSI
Performance
Mercedes S 450 CDI long
Audi A8 4.2 FSI
155 mph
Maximum Speed
155 mph
6.6 sec
Acceleration 0 to 62 mph
5.7 sec
62 mph
62
mph
mph
302 ft
0.000 sec
Mercedes S 450 CDI long
62 mph
62
mph
mph
259 ft
0.000 sec
Audi A8 4.2 FSI
▶ REPLAY
15 lb/hp
Weight-to-Power Ratio
11.51 lb/hp
Mercedes S 450 CDI long
15 lb/hp
11.51 lb/hp
Audi A8 4.2 FSI
Fuel Economy / Emissions
Mercedes S 450 CDI long
Audi A8 4.2 FSI
Fuel Economy
26 mpg
combined
25 mpg
Mercedes S 450 CDI long
26 mpg
25 mpg
Audi A8 4.2 FSI
18 mpg
city
18 mpg
34 mpg
highway
No data
23.8 gal
Fuel Tank Capacity
23.8 gal
615 mi
Range
588 mi
Mercedes S 450 CDI long
615 mi
588 mi
Audi A8 4.2 FSI
Environmental Impact
187.2 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).
179.9 kWh
Mercedes S 450 CDI long
187.2 kWh
179.9 kWh
Audi A8 4.2 FSI
Euro 4 III
Emission Standard
Euro 5
386 g/mi (NEFZ)
CO2 Emissions
352 g/mi (NEFZ)
Practical Convenience
Mercedes S 450 CDI long
Audi A8 4.2 FSI
4
Doors
4
5
No. of Seats
5
1213 lb
Maximum Payload
1356 lb
15.9 cu ft
Trunk Volume
14.4 cu ft
No data
Cargo Volume (Seats Down)
No data
