The Comparative Analysis :
Audi A8 55 TFSI quattro tiptronic (17 - ..) vs. Mercedes S 350 CDI BlueEFFICIENCY long 7G-TRONIC (09 - 10)
€ 95,200

€ 82,100

€ 95,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 82,100
ⓘ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 Audi A8 55 TFSI is 2.1 inches shorter, 2.9 inches wider and 0.5 inches lower than the Mercedes S 350 CDI BlueEFFICIENCY long.
Audi A8 55 TFSI
Mercedes S 350 CDI BlueEFFICIENCY long
58
76.6
83.9
58.5
73.7
83.5
76.6 in
Width
73.7 in
83.9 in
Width Incl. Mirrors
83.5 in
58 in
Height
58.5 in
118
203.6
124.6
205.7
203.6 in
Length
205.7 in
118 in
Wheelbase
124.6 in
Vehicle Weight
Audi A8 55 TFSI
Mercedes S 350 CDI BlueEFFICIENCY long
4420 lb
Curb Weight
4420 lb
5930 lb
Gross Vehicle
Weight
Weight
5699 lb

Weight Difference:
0 lb
0 %

General
Audi A8 55 TFSI
Mercedes S 350 CDI BlueEFFICIENCY long
D5 (4N)
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 55 TFSI
Mercedes S 350 CDI BlueEFFICIENCY long
6-cylinder mild hybrid gasoline engine with turbocharger
Engine Type
V6 diesel engine with turbocharger
Engine Series
Mercedes-Benz OM 642
CZSE
Engine Code
OM 642.930

4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
335 hp
at 5000 rpm
Power
232 hp
at 3600 rpm
Audi A8 55 TFSI
335 hp
232 hp
Mercedes S 350 CDI BlueEFFICIENCY long
369 lb‑ft
at 1370 rpm
Max. Torque
398 lb‑ft
at 1600 rpm
Audi A8 55 TFSI
369 lb‑ft
398 lb‑ft
Mercedes S 350 CDI BlueEFFICIENCY long
Performance
Audi A8 55 TFSI
Mercedes S 350 CDI BlueEFFICIENCY long
155 mph
Maximum Speed
155 mph
5.6 sec
Acceleration 0 to 62 mph
7.8 sec
62 mph
62
mph
mph
256 ft
0.000 sec

Audi A8 55 TFSI
62 mph
62
mph
mph
354 ft
0.000 sec

Mercedes S 350 CDI BlueEFFICIENCY long
▶ REPLAY
13.19 lb/hp
Weight-to-Power Ratio
19.05 lb/hp
Audi A8 55 TFSI
13.19 lb/hp
19.05 lb/hp
Mercedes S 350 CDI BlueEFFICIENCY long
Fuel Economy / Emissions
Audi A8 55 TFSI
Mercedes S 350 CDI BlueEFFICIENCY long
Fuel Economy
30 mpg
combined
31 mpg
Audi A8 55 TFSI
30 mpg
31 mpg
Mercedes S 350 CDI BlueEFFICIENCY long
22 mpg
city
22 mpg
No data
highway
39 mpg
19 gal
Fuel Tank Capacity
23.8 gal
574 mi
Range
726 mi
Audi A8 55 TFSI
574 mi
726 mi
Mercedes S 350 CDI BlueEFFICIENCY long
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).
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).
158.4 kWh
Audi A8 55 TFSI
147.7 kWh
158.4 kWh
Mercedes S 350 CDI BlueEFFICIENCY long
Euro 6d-TEMP (WLTP)
Emission Standard
Euro 4 III
344 g/mi (WLTP)
CO2 Emissions
325 g/mi (NEFZ)
Practical Convenience
Audi A8 55 TFSI
Mercedes S 350 CDI BlueEFFICIENCY long
4
Doors
4
5
No. of Seats
5
1510 lb
Maximum Payload
1279 lb
14.3 cu ft
Trunk Volume
15.9 cu ft










No data
Cargo Volume (Seats Down)
No data