The Comparative Analysis :
Audi A8 L 6.3 FSI W12 quattro tiptronic (10 - 13) vs. Mercedes S 400 long 4MATIC 7G-TRONIC PLUS (15 - 17)
€ 138,900

€ 96,700

€ 138,900
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 dimensions of these vehicles differ a little. The Audi A8 L 6.3 FSI W12 is 2.1 cm longer, 5 cm wider and 2.5 cm lower than the Mercedes S 400 long.
Audi A8 L 6.3 FSI W12
Mercedes S 400 long
1471
1949
2111
1496
1899
2130
1949 mm
Width
1899 mm
2111 mm
Width Incl. Mirrors
2130 mm
1471 mm
Height
1496 mm
3122
5267
3165
5246
5267 mm
Length
5246 mm
3122 mm
Wheelbase
3165 mm
Vehicle Weight
Audi A8 L 6.3 FSI W12
Mercedes S 400 long
2130 kg
Kerb Weight
2070 kg
2655 kg
Gross Vehicle
Weight
Weight
2750 kg

Weight Difference:
60 kg
2.82 %

General
Audi A8 L 6.3 FSI W12
Mercedes S 400 long
D4 (4H)
Generation
W222/X222
Saloon
Car Body Style
Saloon
Super Unleaded (98 RON)
Fuel Type
Unleaded (95 RON)

Permanent all-wheel drive
Drive
Permanent all-wheel drive

8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
Audi A8 L 6.3 FSI W12
Mercedes S 400 long
V12 petrol engine (naturally aspirated engine)
Engine Type
V6 petrol engine with two turbochargers (biturbo)
Engine Series
Mercedes-Benz M 276
CEJA, CTNA
Engine Code
M 276.824

4
Valves
4
12
Cylinders
6
6299 CC
Engine Capacity
2996 CC
493 bhp
at 6200 rpm
Power
328 bhp
at 5250 rpm
Audi A8 L 6.3 FSI W12
493 bhp
328 bhp
Mercedes S 400 long
625 NM
at 4750 rpm
Max. Torque
480 NM
at 1600 rpm
Audi A8 L 6.3 FSI W12
625 NM
480 NM
Mercedes S 400 long
Performance
Audi A8 L 6.3 FSI W12
Mercedes S 400 long
155 mph
Maximum Speed
155 mph
4.7 sec
Acceleration 0 to 62 mph
6.1 sec
62 mph
62
mph
mph
65 m
0.000 sec

Audi A8 L 6.3 FSI W12
62 mph
62
mph
mph
85 m
0.000 sec

Mercedes S 400 long
▶ REPLAY
4.32 kg/bhp
Weight-to-Power Ratio
6.31 kg/bhp
Audi A8 L 6.3 FSI W12
4.32 kg/bhp
6.31 kg/bhp
Mercedes S 400 long
Fuel Economy / Emissions
Audi A8 L 6.3 FSI W12
Mercedes S 400 long
Fuel Economy
24 mpg
combined
34 mpg
Audi A8 L 6.3 FSI W12
24 mpg
34 mpg
Mercedes S 400 long
17 mpg
city
25 mpg
No data
motorway
42 mpg
90 L
Fuel Tank Capacity
70 L
470 mi
Range
518 mi
Audi A8 L 6.3 FSI W12
470 mi
518 mi
Mercedes S 400 long
Environmental Impact
225.5 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 A8 L 6.3 FSI W12
225.5 kWh
159.2 kWh
Mercedes S 400 long
Euro 5
Emission Standard
Euro 6b (NEFZ)
277 g/km (NEFZ)
CO2 Emissions
196 g/km (NEFZ)
Practical Convenience
Audi A8 L 6.3 FSI W12
Mercedes S 400 long
4
Doors
4
5
No. of Seats
5
525 kg
Maximum Payload
680 kg
510 L
Boot Capacity
530 L










No data
Boot Capacity (Seats Down)
No data