The Comparative Analysis :
Audi A8 L 4.2 FSI quattro tiptronic (10 - 12) vs. Mercedes S 63 AMG SPEEDSHIFT 7G-TRONIC (06 - 09)
€ 96,100

€ 134,200

€ 96,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 134,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Audi A8 L 4.2 FSI is significantly bigger in every dimension. It's 6.1 inches longer, 3.1 inches wider and 10.6 inches taller than the Mercedes S 63 AMG.
Audi A8 L 4.2 FSI
Mercedes S 63 AMG
68.5
76.7
83.1
58
73.7
83.5
76.7 in
Width
73.7 in
83.1 in
Width Incl. Mirrors
83.5 in
68.5 in
Height
58 in
122.9
207.4
119.5
201.3
207.4 in
Length
201.3 in
122.9 in
Wheelbase
119.5 in
Vehicle Weight
Audi A8 L 4.2 FSI
Mercedes S 63 AMG
4321 lb
Curb Weight
4564 lb
5589 lb
Gross Vehicle
Weight
Weight
5721 lb

Weight Difference:
243 lb
5.32 %

General
Audi A8 L 4.2 FSI
Mercedes S 63 AMG
D4 (4H)
Generation
W221
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Premium Unleaded

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

8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
Audi A8 L 4.2 FSI
Mercedes S 63 AMG
V8 gasoline engine (naturally aspirated engine)
Engine Type
V8 gasoline engine (naturally aspirated engine)
Engine Series
Mercedes-Benz M 156
CDRA
Engine Code
M 156.984

4
Valves
4
8
Cylinders
8
4.2 L / 206 cu in
Displacement
6.2 L / 303 cu in
366 hp
at 6800 rpm
Power
518 hp
at 6800 rpm
Audi A8 L 4.2 FSI
366 hp
518 hp
Mercedes S 63 AMG
328 lb‑ft
at 3500 rpm
Max. Torque
465 lb‑ft
at 5200 rpm
Audi A8 L 4.2 FSI
328 lb‑ft
465 lb‑ft
Mercedes S 63 AMG
Performance
Audi A8 L 4.2 FSI
Mercedes S 63 AMG
155 mph
Maximum Speed
155 mph
5.8 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph
62
mph
mph
266 ft
0.000 sec

Audi A8 L 4.2 FSI
62 mph
62
mph
mph
210 ft
0.000 sec

Mercedes S 63 AMG
▶ REPLAY
11.81 lb/hp
Weight-to-Power Ratio
8.81 lb/hp
Audi A8 L 4.2 FSI
11.81 lb/hp
8.81 lb/hp
Mercedes S 63 AMG
Fuel Economy / Emissions
Audi A8 L 4.2 FSI
Mercedes S 63 AMG
Fuel Economy
24 mpg
combined
16 mpg
Audi A8 L 4.2 FSI
24 mpg
16 mpg
Mercedes S 63 AMG
17 mpg
city
10 mpg
No data
highway
23 mpg
23.8 gal
Fuel Tank Capacity
23.8 gal
577 mi
Range
375 mi
Audi A8 L 4.2 FSI
577 mi
375 mi
Mercedes S 63 AMG
Environmental Impact
183.8 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).
282.3 kWh
Audi A8 L 4.2 FSI
183.8 kWh
282.3 kWh
Mercedes S 63 AMG
Euro 5
Emission Standard
Euro 4 III
360 g/mi (NEFZ)
CO2 Emissions
571 g/mi (NEFZ)
Practical Convenience
Audi A8 L 4.2 FSI
Mercedes S 63 AMG
4
Doors
4
5
No. of Seats
5
1268 lb
Maximum Payload
1157 lb
14.4 cu ft
Trunk Volume
15.9 cu ft










No data
Cargo Volume (Seats Down)
No data