The Comparative Analysis :
Mercedes S 400 d 4MATIC 9G-TRONIC (17 - ..) vs. Audi A8 L 55 TFSI quattro tiptronic (17 - ..)
€ 94,200

€ 98,700

€ 94,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 98,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ considerably. The Mercedes S 400 d is 7 inches shorter, 1.8 inches narrower and 0.4 inches taller than the Audi A8 L 55 TFSI.
Mercedes S 400 d
Audi A8 L 55 TFSI
58.9
74.8
83.9
58.5
76.6
83.9
74.8 in
Width
76.6 in
83.9 in
Width Incl. Mirrors
83.9 in
58.9 in
Height
58.5 in
119.5
201.8
123.1
208.7
201.8 in
Length
208.7 in
119.5 in
Wheelbase
123.1 in
Vehicle Weight
Mercedes S 400 d
Audi A8 L 55 TFSI
4542 lb
Curb Weight
4475 lb
6085 lb
Gross Vehicle
Weight
Weight
6074 lb

Weight Difference:
66 lb
1.45 %

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

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

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

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

Mercedes S 400 d
62 mph
62
mph
mph
259 ft
0.000 sec

Audi A8 L 55 TFSI
▶ REPLAY
13.56 lb/hp
Weight-to-Power Ratio
13.36 lb/hp
Mercedes S 400 d
13.56 lb/hp
13.36 lb/hp
Audi A8 L 55 TFSI
Fuel Economy / Emissions
Mercedes S 400 d
Audi A8 L 55 TFSI
Fuel Economy
42 mpg
combined
30 mpg
Mercedes S 400 d
42 mpg
30 mpg
Audi A8 L 55 TFSI
35 mpg
city
22 mpg
49 mpg
highway
No data
18.5 gal
Fuel Tank Capacity
19 gal
777 mi
Range
574 mi
Mercedes S 400 d
777 mi
574 mi
Audi A8 L 55 TFSI
Environmental Impact
115.2 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).
147.7 kWh
Mercedes S 400 d
115.2 kWh
147.7 kWh
Audi A8 L 55 TFSI
Euro 6
Emission Standard
Euro 6d-TEMP (WLTP)
237 g/mi (NEFZ)
CO2 Emissions
348 g/mi (WLTP)
Practical Convenience
Mercedes S 400 d
Audi A8 L 55 TFSI
4
Doors
4
5
No. of Seats
5
1543 lb
Maximum Payload
1598 lb
14.4 cu ft
Trunk Volume
14.3 cu ft








No data
Cargo Volume (Seats Down)
No data