The Comparative Analysis :
Audi A8 50 TDI quattro tiptronic (17 - ..) vs. Mercedes S 400 d 9G-TRONIC (17 - ..)
€ 93,600
€ 90,400
€ 93,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 90,400
ⓘ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 50 TDI is 1.9 inches longer, 1.8 inches wider and 0.9 inches lower than the Mercedes S 400 d.
Audi A8 50 TDI
Mercedes S 400 d
58
76.6
83.9
58.9
74.8
83.9
76.6 in
Width
74.8 in
83.9 in
Width Incl. Mirrors
83.9 in
58 in
Height
58.9 in
118
203.6
119.5
201.8
203.6 in
Length
201.8 in
118 in
Wheelbase
119.5 in
Vehicle Weight
Audi A8 50 TDI
Mercedes S 400 d
4519 lb
Curb Weight
4420 lb
5930 lb
Gross Vehicle
Weight
Weight
5964 lb
Weight Difference:
99 lb
2.19 %
General
Audi A8 50 TDI
Mercedes S 400 d
D5 (4N)
Generation
W222/X222
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Diesel
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
9-speed automatic transmission
Engine
Audi A8 50 TDI
Mercedes S 400 d
6-cylinder mild hybrid diesel engine with turbocharger
Engine Type
Straight-six diesel engine with turbocharger
Engine Series
Mercedes-Benz OM 656
DDVC
Engine Code
OM 656.929
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
2.9 L / 142 cu in
282 hp
at 3750 rpm
Power
335 hp
at 3600 rpm
Audi A8 50 TDI
282 hp
335 hp
Mercedes S 400 d
443 lb‑ft
at 1250 rpm
Max. Torque
516 lb‑ft
at 1200 rpm
Audi A8 50 TDI
443 lb‑ft
516 lb‑ft
Mercedes S 400 d
Performance
Audi A8 50 TDI
Mercedes S 400 d
155 mph
Maximum Speed
155 mph
5.9 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph
62
mph
mph
269 ft
0.000 sec
Audi A8 50 TDI
62 mph
62
mph
mph
246 ft
0.000 sec
Mercedes S 400 d
▶ REPLAY
16.02 lb/hp
Weight-to-Power Ratio
13.19 lb/hp
Audi A8 50 TDI
16.02 lb/hp
13.19 lb/hp
Mercedes S 400 d
Fuel Economy / Emissions
Audi A8 50 TDI
Mercedes S 400 d
Fuel Economy
42 mpg
combined
45 mpg
Audi A8 50 TDI
42 mpg
45 mpg
Mercedes S 400 d
37 mpg
city
37 mpg
No data
highway
52 mpg
19 gal
Fuel Tank Capacity
18.5 gal
799 mi
Range
836 mi
Audi A8 50 TDI
799 mi
836 mi
Mercedes S 400 d
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).
107 kWh
Audi A8 50 TDI
115.2 kWh
107 kWh
Mercedes S 400 d
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 6
291 g/mi (WLTP)
CO2 Emissions
217 g/mi (NEFZ)
Practical Convenience
Audi A8 50 TDI
Mercedes S 400 d
4
Doors
4
5
No. of Seats
5
1411 lb
Maximum Payload
1543 lb
14.3 cu ft
Trunk Volume
14.4 cu ft
No data
Cargo Volume (Seats Down)
No data
