The Comparative Analysis :
Audi A8 L 55 TFSI quattro tiptronic (17 - ..) vs. Mercedes S 400 d long 9G-TRONIC (17 - ..)
€ 98,700

€ 93,600

€ 98,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 93,600
ⓘ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 Audi A8 L 55 TFSI is 1.9 inches longer, 1.8 inches wider and 0.4 inches lower than the Mercedes S 400 d long.
Audi A8 L 55 TFSI
Mercedes S 400 d long
58.5
76.6
83.9
58.8
74.8
83.9
76.6 in
Width
74.8 in
83.9 in
Width Incl. Mirrors
83.9 in
58.5 in
Height
58.8 in
123.1
208.7
124.6
206.9
208.7 in
Length
206.9 in
123.1 in
Wheelbase
124.6 in
Vehicle Weight
Audi A8 L 55 TFSI
Mercedes S 400 d long
4475 lb
Curb Weight
4464 lb
6074 lb
Gross Vehicle
Weight
Weight
6041 lb

Weight Difference:
11 lb
0.25 %

General
Audi A8 L 55 TFSI
Mercedes S 400 d long
D5 (4N)
Generation
W222/X222
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Diesel

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

8-speed automatic transmission
Transmission
9-speed automatic transmission
Engine
Audi A8 L 55 TFSI
Mercedes S 400 d long
6-cylinder mild hybrid gasoline engine with turbocharger
Engine Type
Straight-six diesel engine with turbocharger
Engine Series
Mercedes-Benz OM 656
CZSE
Engine Code
OM 656.929

4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
2.9 L / 142 cu in
335 hp
at 5000 rpm
Power
335 hp
at 3600 rpm
Audi A8 L 55 TFSI
335 hp
335 hp
Mercedes S 400 d long
369 lb‑ft
at 1370 rpm
Max. Torque
516 lb‑ft
at 1200 rpm
Audi A8 L 55 TFSI
369 lb‑ft
516 lb‑ft
Mercedes S 400 d long
Performance
Audi A8 L 55 TFSI
Mercedes S 400 d long
155 mph
Maximum Speed
155 mph
5.7 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph
62
mph
mph
259 ft
0.000 sec

Audi A8 L 55 TFSI
62 mph
62
mph
mph
246 ft
0.000 sec

Mercedes S 400 d long
▶ REPLAY
13.36 lb/hp
Weight-to-Power Ratio
13.33 lb/hp
Audi A8 L 55 TFSI
13.36 lb/hp
13.33 lb/hp
Mercedes S 400 d long
Fuel Economy / Emissions
Audi A8 L 55 TFSI
Mercedes S 400 d long
Fuel Economy
30 mpg
combined
45 mpg
Audi A8 L 55 TFSI
30 mpg
45 mpg
Mercedes S 400 d long
22 mpg
city
37 mpg
No data
highway
52 mpg
19 gal
Fuel Tank Capacity
18.5 gal
574 mi
Range
836 mi
Audi A8 L 55 TFSI
574 mi
836 mi
Mercedes S 400 d long
Environmental Impact
147.7 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).
107 kWh
Audi A8 L 55 TFSI
147.7 kWh
107 kWh
Mercedes S 400 d long
Euro 6d-TEMP (WLTP)
Emission Standard
Euro 6
348 g/mi (WLTP)
CO2 Emissions
217 g/mi (NEFZ)
Practical Convenience
Audi A8 L 55 TFSI
Mercedes S 400 d long
4
Doors
4
5
No. of Seats
5
1598 lb
Maximum Payload
1576 lb
14.3 cu ft
Trunk Volume
14.4 cu ft








No data
Cargo Volume (Seats Down)
No data