The Comparative Analysis :
Audi S8 tiptronic (06 - 09) vs. Mercedes S 400 long 4MATIC 7G-TRONIC PLUS (15 - 17)
€ 100,100

€ 96,700

€ 100,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 96,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Audi S8 is considerably smaller in every dimension. It's 7.7 inches shorter, 0.2 inches narrower and 2 inches lower than the Mercedes S 400 long.
Audi S8
Mercedes S 400 long
56.9
74.6
79.8
58.9
74.8
83.9
74.6 in
Width
74.8 in
79.8 in
Width Incl. Mirrors
83.9 in
56.9 in
Height
58.9 in
115.9
198.9
124.6
206.5
198.9 in
Length
206.5 in
115.9 in
Wheelbase
124.6 in
Vehicle Weight
Audi S8
Mercedes S 400 long
4442 lb
Curb Weight
4564 lb
5600 lb
Gross Vehicle
Weight
Weight
6063 lb

Weight Difference:
121 lb
2.65 %

General
Audi S8
Mercedes S 400 long
D3 (4E)
Generation
W222/X222
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

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

6-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
Audi S8
Mercedes S 400 long
V10 gasoline engine (naturally aspirated engine)
Engine Type
V6 gasoline engine with two turbochargers (biturbo)
Engine Series
Mercedes-Benz M 276
BSM
Engine Code
M 276.824

4
Valves
4
10
Cylinders
6
5.2 L / 254 cu in
Displacement
3 L / 147 cu in
444 hp
at 7000 rpm
Power
328 hp
at 5250 rpm
Audi S8
444 hp
328 hp
Mercedes S 400 long
398 lb‑ft
at 3500 rpm
Max. Torque
354 lb‑ft
at 1600 rpm
Audi S8
398 lb‑ft
354 lb‑ft
Mercedes S 400 long
Performance
Audi S8
Mercedes S 400 long
155 mph
Maximum Speed
155 mph
5.1 sec
Acceleration 0 to 62 mph
6.1 sec
62 mph
62
mph
mph
233 ft
0.000 sec

Audi S8
62 mph
62
mph
mph
279 ft
0.000 sec

Mercedes S 400 long
▶ REPLAY
10 lb/hp
Weight-to-Power Ratio
13.91 lb/hp
Audi S8
10 lb/hp
13.91 lb/hp
Mercedes S 400 long
Fuel Economy / Emissions
Audi S8
Mercedes S 400 long
Fuel Economy
18 mpg
combined
28 mpg
Audi S8
18 mpg
28 mpg
Mercedes S 400 long
12 mpg
city
21 mpg
No data
highway
35 mpg
23.8 gal
Fuel Tank Capacity
18.5 gal
418 mi
Range
518 mi
Audi S8
418 mi
518 mi
Mercedes S 400 long
Environmental Impact
253.8 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).
159.2 kWh
Audi S8
253.8 kWh
159.2 kWh
Mercedes S 400 long
Euro 4 III
Emission Standard
Euro 6b (NEFZ)
513 g/mi (NEFZ)
CO2 Emissions
315 g/mi (NEFZ)
Practical Convenience
Audi S8
Mercedes S 400 long
4
Doors
4
5
No. of Seats
5
1157 lb
Maximum Payload
1499 lb
14.2 cu ft
Trunk Volume
15 cu ft










No data
Cargo Volume (Seats Down)
No data