The Comparative Analysis :
Mercedes S 400 d 4MATIC 9G-TRONIC (17 - ..) vs. Audi A8 L 4.0 TFSI cod quattro tiptronic (13 - 17)
€ 94,200

€ 110,300

€ 94,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 110,300
ⓘ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 5.5 inches shorter, 2 inches narrower and an inch taller than the Audi A8 L 4.0 TFSI cod.
Mercedes S 400 d
Audi A8 L 4.0 TFSI cod
58.9
74.8
83.9
57.9
76.7
83.1
74.8 in
Width
76.7 in
83.9 in
Width Incl. Mirrors
83.1 in
58.9 in
Height
57.9 in
119.5
201.8
122.9
207.3
201.8 in
Length
207.3 in
119.5 in
Wheelbase
122.9 in
Vehicle Weight
Mercedes S 400 d
Audi A8 L 4.0 TFSI cod
4542 lb
Curb Weight
4519 lb
6085 lb
Gross Vehicle
Weight
Weight
5787 lb

Weight Difference:
22 lb
0.48 %

General
Mercedes S 400 d
Audi A8 L 4.0 TFSI cod
W222/X222
Generation
D4 (4H)
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Premium 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 4.0 TFSI cod
Straight-six diesel engine with turbocharger
Engine Type
V8 gasoline engine with two turbochargers (biturbo)
Mercedes-Benz OM 656
Engine Series
OM 656.929
Engine Code
CTGA

4
Valves
4
6
Cylinders
8
2.9 L / 142 cu in
Displacement
4 L / 196 cu in
335 hp
at 3600 rpm
Power
429 hp
at 5100 rpm
Mercedes S 400 d
335 hp
429 hp
Audi A8 L 4.0 TFSI cod
516 lb‑ft
at 1200 rpm
Max. Torque
443 lb‑ft
at 1500 rpm
Mercedes S 400 d
516 lb‑ft
443 lb‑ft
Audi A8 L 4.0 TFSI cod
Performance
Mercedes S 400 d
Audi A8 L 4.0 TFSI cod
155 mph
Maximum Speed
155 mph
5.2 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph
62
mph
mph
236 ft
0.000 sec

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

Audi A8 L 4.0 TFSI cod
▶ REPLAY
13.56 lb/hp
Weight-to-Power Ratio
10.53 lb/hp
Mercedes S 400 d
13.56 lb/hp
10.53 lb/hp
Audi A8 L 4.0 TFSI cod
Fuel Economy / Emissions
Mercedes S 400 d
Audi A8 L 4.0 TFSI cod
Fuel Economy
42 mpg
combined
26 mpg
Mercedes S 400 d
42 mpg
26 mpg
Audi A8 L 4.0 TFSI cod
35 mpg
city
19 mpg
49 mpg
highway
No data
18.5 gal
Fuel Tank Capacity
21.7 gal
777 mi
Range
566 mi
Mercedes S 400 d
777 mi
566 mi
Audi A8 L 4.0 TFSI cod
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).
170.4 kWh
Mercedes S 400 d
115.2 kWh
170.4 kWh
Audi A8 L 4.0 TFSI cod
Euro 6
Emission Standard
Euro 6b (NEFZ)
237 g/mi (NEFZ)
CO2 Emissions
333 g/mi (NEFZ)
Practical Convenience
Mercedes S 400 d
Audi A8 L 4.0 TFSI cod
4
Doors
4
5
No. of Seats
5
1543 lb
Maximum Payload
1268 lb
14.4 cu ft
Trunk Volume
14.7 cu ft









No data
Cargo Volume (Seats Down)
No data