The Comparative Analysis :

Mercedes S 420 CDI long 7G-TRONIC (06 - 09) vs. Audi S8 plus cod tiptronic (15 - 17)

€ 98,900
Mercedes S 420 CDI long 7G-TRONIC (06 - 09) Mercedes S 420 CDI long
€ 147,900
 Audi S8 plus cod tiptronic (15 - 17) Audi S8 plus cod
€ 98,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 147,900

ⓘ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 420 CDI long is 2.5 inches longer, 3.1 inches narrower and 0.6 inches taller than the Audi S8 plus cod.
Mercedes S 420 CDI long
Audi S8 plus cod
58
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
73.7
83.5
57.4
Blueprint Audi S8 plus cod tiptronic (15 - 17)
76.7
83.1
73.7 in
Width
76.7 in
83.5 in
Width Incl. Mirrors
83.1 in
58 in
Height
57.4 in
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
124.6
205.1
Blueprint Audi S8 plus cod tiptronic (15 - 17)
117.9
202.6
205.1 in
Length
202.6 in
124.6 in
Wheelbase
117.9 in

Vehicle Weight

Mercedes S 420 CDI long
Audi S8 plus cod
4718 lb
Curb Weight
4553 lb
5864 lb
Gross Vehicle
Weight
5710 lb
Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
Weight Difference:
165 lb
3.5 %
Audi S8 plus cod tiptronic (15 - 17)

General

Mercedes S 420 CDI long
Audi S8 plus cod
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 420 CDI long
Audi S8 plus cod
V8 diesel engine with tur­bo­charger
Engine Type
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Mercedes-Benz OM 629
Engine Series
OM 629.911
Engine Code
DDTA
4
Valves
4
8
Cylinders
8
4 L / 196 cu in
Displacement
4 L / 196 cu in
316 hp
at 3600 rpm
Power
597 hp
at 6100 rpm
Mercedes S 420 CDI long
316 hp
597 hp
Audi S8 plus cod
538 lb‑ft
at 2200 rpm
Max. Torque
516 lb‑ft
at 1750 rpm
Mercedes S 420 CDI long
538 lb‑ft
516 lb‑ft
Audi S8 plus cod

Performance

Mercedes S 420 CDI long
Audi S8 plus cod
155 mph
Maximum Speed
190 mph
6 sec
Acceleration 0 to 62 mph
3.8 sec
62 mph 62
mph

272 ft
0.000 sec

Mercedes S 420 CDI long

62 mph 62
mph

174 ft
0.000 sec

Audi S8 plus cod

▶ REPLAY
14.93 lb/hp
Weight-to-Power Ratio
7.63 lb/hp
Mercedes S 420 CDI long
14.93 lb/hp
7.63 lb/hp
Audi S8 plus cod

Fuel Economy / Emissions

Mercedes S 420 CDI long
Audi S8 plus cod
Fuel Economy
25 mpg
combined
24 mpg
Mercedes S 420 CDI long
25 mpg
24 mpg
Audi S8 plus cod
18 mpg
city
17 mpg
33 mpg
highway
No data
Kraftstoffanzeige
23.8 gal
Fuel Tank Capacity
21.7 gal
Kraftstoffanzeige
595 mi
Range
510 mi
Mercedes S 420 CDI long
595 mi
510 mi
Audi S8 plus cod
Environmental Impact
193.4 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).
189.4 kWh
Mercedes S 420 CDI long
193.4 kWh
189.4 kWh
Audi S8 plus cod
Euro 4 III
Emission Standard
Euro 6b (NEFZ)
398 g/mi (NEFZ)
CO2 Emissions
372 g/mi (NEFZ)

Practical Convenience

Mercedes S 420 CDI long
Audi S8 plus cod
4
Doors
4
5
No. of Seats
5
1146 lb
Maximum Payload
1157 lb
15.9 cu ft
Trunk Volume
14.7 cu ft
No data
Cargo Volume (Seats Down)
No data