The Comparative Analysis :
Audi A8 55 TFSI quattro tiptronic (17 - ..) vs. Mercedes S 320 CDI 4MATIC 7G-TRONIC (06 - 09)
€ 95,200
€ 76,200
€ 95,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 76,200
ⓘ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. Both cars are the same height, but the Audi A8 55 TFSI is 3.6 inches longer and 2.9 inches wider.
Audi A8 55 TFSI
Mercedes S 320 CDI
58
76.6
83.9
58
73.7
83.5
76.6 in
Width
73.7 in
83.9 in
Width Incl. Mirrors
83.5 in
58 in
Height
58 in
118
203.6
119.5
200
203.6 in
Length
200 in
118 in
Wheelbase
119.5 in
Vehicle Weight
Audi A8 55 TFSI
Mercedes S 320 CDI
4420 lb
Curb Weight
4464 lb
5930 lb
Gross Vehicle
Weight
Weight
5787 lb
Weight Difference:
44 lb
0.99 %
General
Audi A8 55 TFSI
Mercedes S 320 CDI
D5 (4N)
Generation
W221
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Diesel
Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
Audi A8 55 TFSI
Mercedes S 320 CDI
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 642.932
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 3800 rpm
Audi A8 55 TFSI
335 hp
232 hp
Mercedes S 320 CDI
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 320 CDI
Performance
Audi A8 55 TFSI
Mercedes S 320 CDI
155 mph
Maximum Speed
152 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 320 CDI
▶ REPLAY
13.19 lb/hp
Weight-to-Power Ratio
19.24 lb/hp
Audi A8 55 TFSI
13.19 lb/hp
19.24 lb/hp
Mercedes S 320 CDI
Fuel Economy / Emissions
Audi A8 55 TFSI
Mercedes S 320 CDI
Fuel Economy
30 mpg
combined
28 mpg
Audi A8 55 TFSI
30 mpg
28 mpg
Mercedes S 320 CDI
22 mpg
city
20 mpg
No data
highway
37 mpg
19 gal
Fuel Tank Capacity
23.8 gal
574 mi
Range
674 mi
Audi A8 55 TFSI
574 mi
674 mi
Mercedes S 320 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).
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).
170.8 kWh
Audi A8 55 TFSI
147.7 kWh
170.8 kWh
Mercedes S 320 CDI
Euro 6d-TEMP (WLTP)
Emission Standard
Euro 4 III
344 g/mi (WLTP)
CO2 Emissions
351 g/mi (NEFZ)
Practical Convenience
Audi A8 55 TFSI
Mercedes S 320 CDI
4
Doors
4
5
No. of Seats
5
1510 lb
Maximum Payload
1323 lb
14.3 cu ft
Trunk Volume
15.9 cu ft
No data
Cargo Volume (Seats Down)
No data
