The Comparative Analysis :
Mercedes S 350 CDI BlueEFFICIENCY long 4MATIC 7G-TRONIC (09 - 10) vs. Audi A8 L 6.3 FSI W12 quattro tiptronic (10 - 13)
€ 85,900

€ 138,900

€ 85,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 138,900
ⓘ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 350 CDI BlueEFFICIENCY long is 1.6 inches shorter, 3.1 inches narrower and 0.6 inches taller than the Audi A8 L 6.3 FSI W12.
Mercedes S 350 CDI BlueEFFICIENCY long
Audi A8 L 6.3 FSI W12
58.5
73.7
83.5
57.9
76.7
83.1
73.7 in
Width
76.7 in
83.5 in
Width Incl. Mirrors
83.1 in
58.5 in
Height
57.9 in
124.6
205.7
122.9
207.4
205.7 in
Length
207.4 in
124.6 in
Wheelbase
122.9 in
Vehicle Weight
Mercedes S 350 CDI BlueEFFICIENCY long
Audi A8 L 6.3 FSI W12
4564 lb
Curb Weight
4696 lb
5853 lb
Gross Vehicle
Weight
Weight
5853 lb

Weight Difference:
132 lb
2.81 %

General
Mercedes S 350 CDI BlueEFFICIENCY long
Audi A8 L 6.3 FSI W12
W221
Generation
D4 (4H)
Sedan
Car Body Style
Sedan
Diesel
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 350 CDI BlueEFFICIENCY long
Audi A8 L 6.3 FSI W12
V6 diesel engine with turbocharger
Engine Type
V12 gasoline engine (naturally aspirated engine)
Mercedes-Benz OM 642
Engine Series
OM 642.932
Engine Code
CEJA, CTNA

4
Valves
4
6
Cylinders
12
3 L / 147 cu in
Displacement
6.3 L / 308 cu in
232 hp
at 3600 rpm
Power
493 hp
at 6200 rpm
Mercedes S 350 CDI BlueEFFICIENCY long
232 hp
493 hp
Audi A8 L 6.3 FSI W12
398 lb‑ft
at 1600 rpm
Max. Torque
461 lb‑ft
at 4750 rpm
Mercedes S 350 CDI BlueEFFICIENCY long
398 lb‑ft
461 lb‑ft
Audi A8 L 6.3 FSI W12
Performance
Mercedes S 350 CDI BlueEFFICIENCY long
Audi A8 L 6.3 FSI W12
152 mph
Maximum Speed
155 mph
7.8 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph
62
mph
mph
354 ft
0.000 sec

Mercedes S 350 CDI BlueEFFICIENCY long
62 mph
62
mph
mph
213 ft
0.000 sec

Audi A8 L 6.3 FSI W12
▶ REPLAY
19.67 lb/hp
Weight-to-Power Ratio
9.53 lb/hp
Mercedes S 350 CDI BlueEFFICIENCY long
19.67 lb/hp
9.53 lb/hp
Audi A8 L 6.3 FSI W12
Fuel Economy / Emissions
Mercedes S 350 CDI BlueEFFICIENCY long
Audi A8 L 6.3 FSI W12
Fuel Economy
30 mpg
combined
20 mpg
Mercedes S 350 CDI BlueEFFICIENCY long
30 mpg
20 mpg
Audi A8 L 6.3 FSI W12
22 mpg
city
14 mpg
38 mpg
highway
No data
23.8 gal
Fuel Tank Capacity
23.8 gal
717 mi
Range
470 mi
Mercedes S 350 CDI BlueEFFICIENCY long
717 mi
470 mi
Audi A8 L 6.3 FSI W12
Environmental Impact
160.5 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).
225.5 kWh
Mercedes S 350 CDI BlueEFFICIENCY long
160.5 kWh
225.5 kWh
Audi A8 L 6.3 FSI W12
Euro 4 III
Emission Standard
Euro 5
333 g/mi (NEFZ)
CO2 Emissions
446 g/mi (NEFZ)
Practical Convenience
Mercedes S 350 CDI BlueEFFICIENCY long
Audi A8 L 6.3 FSI W12
4
Doors
4
5
No. of Seats
5
1290 lb
Maximum Payload
1157 lb
15.9 cu ft
Trunk Volume
14.4 cu ft










No data
Cargo Volume (Seats Down)
No data