The Comparative Analysis :
Mercedes S 320 CDI 4MATIC 7G-TRONIC (06 - 09) vs. Audi S8 quattro tiptronic (19 - ..)
€ 76,200

€ 140,000

€ 76,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 140,000
ⓘ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 Mercedes S 320 CDI is 3.9 inches shorter and 2.9 inches narrower.
Mercedes S 320 CDI
Audi S8
58
73.7
83.5
58
76.6
83.9
73.7 in
Width
76.6 in
83.5 in
Width Incl. Mirrors
83.9 in
58 in
Height
58 in
119.5
200
118
203.9
200 in
Length
203.9 in
119.5 in
Wheelbase
118 in
Vehicle Weight
Mercedes S 320 CDI
Audi S8
4464 lb
Curb Weight
5082 lb
5787 lb
Gross Vehicle
Weight
Weight
6250 lb

Weight Difference:
617 lb
12.14 %

General
Mercedes S 320 CDI
Audi S8
W221
Generation
D5 (4N)
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Mid-Grade Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)

7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes S 320 CDI
Audi S8
V6 diesel engine with turbocharger
Engine Type
8-cylinder mild hybrid gasoline engine with two turbochargers (biturbo)
Mercedes-Benz OM 642
Engine Series
OM 642.932
Engine Code

4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4 L / 196 cu in
232 hp
at 3800 rpm
Power
563 hp
at 6000 rpm
Mercedes S 320 CDI
232 hp
563 hp
Audi S8
398 lb‑ft
at 1600 rpm
Max. Torque
590 lb‑ft
at 2000 rpm
Mercedes S 320 CDI
398 lb‑ft
590 lb‑ft
Audi S8
Performance
Mercedes S 320 CDI
Audi S8
152 mph
Maximum Speed
155 mph
7.8 sec
Acceleration 0 to 62 mph
3.8 sec
62 mph
62
mph
mph
354 ft
0.000 sec

Mercedes S 320 CDI
62 mph
62
mph
mph
174 ft
0.000 sec

Audi S8
▶ REPLAY
19.24 lb/hp
Weight-to-Power Ratio
9.03 lb/hp
Mercedes S 320 CDI
19.24 lb/hp
9.03 lb/hp
Audi S8
Fuel Economy / Emissions
Mercedes S 320 CDI
Audi S8
Fuel Economy
28 mpg
combined
21 mpg
Mercedes S 320 CDI
28 mpg
21 mpg
Audi S8
20 mpg
city
15 mpg
37 mpg
highway
No data
23.8 gal
Fuel Tank Capacity
21.7 gal
674 mi
Range
451 mi
Mercedes S 320 CDI
674 mi
451 mi
Audi S8
Environmental Impact
170.8 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).
214 kWh
Mercedes S 320 CDI
170.8 kWh
214 kWh
Audi S8
Euro 4 III
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
351 g/mi (NEFZ)
CO2 Emissions
423 g/mi (WLTP)
Practical Convenience
Mercedes S 320 CDI
Audi S8
4
Doors
4
5
No. of Seats
5
1323 lb
Maximum Payload
1168 lb
15.9 cu ft
Trunk Volume
14.3 cu ft










No data
Cargo Volume (Seats Down)
No data