The Comparative Analysis :
Audi A8 50 TDI quattro tiptronic (17 - ..) vs. Mercedes S 450 7G-TRONIC (06 - 09)
€ 93,600
€ 83,700
€ 93,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 83,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. Both cars are the same height, but the Audi A8 50 TDI is 3.6 inches longer and 2.9 inches wider.
Audi A8 50 TDI
Mercedes S 450
58
76.6
83.9
58
73.7
83.5
76.6 in
Width
73.7 in
83.9 in
Width Incl. Mirrors
83.5 in
58 in
Height
58 in
118
203.6
119.5
200
203.6 in
Length
200 in
118 in
Wheelbase
119.5 in
Vehicle Weight
Audi A8 50 TDI
Mercedes S 450
4519 lb
Curb Weight
4277 lb
5930 lb
Gross Vehicle
Weight
Weight
5611 lb
Weight Difference:
243 lb
5.38 %
General
Audi A8 50 TDI
Mercedes S 450
D5 (4N)
Generation
W221
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Mid-Grade Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
Audi A8 50 TDI
Mercedes S 450
6-cylinder mild hybrid diesel engine with turbocharger
Engine Type
V8 gasoline engine (naturally aspirated engine)
Engine Series
Mercedes-Benz M 273
DDVC
Engine Code
M 273.922
4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4.7 L / 230 cu in
282 hp
at 3750 rpm
Power
335 hp
at 6000 rpm
Audi A8 50 TDI
282 hp
335 hp
Mercedes S 450
443 lb‑ft
at 1250 rpm
Max. Torque
339 lb‑ft
at 2700 rpm
Audi A8 50 TDI
443 lb‑ft
339 lb‑ft
Mercedes S 450
Performance
Audi A8 50 TDI
Mercedes S 450
155 mph
Maximum Speed
155 mph
5.9 sec
Acceleration 0 to 62 mph
5.9 sec
62 mph
62
mph
mph
269 ft
0.000 sec
Audi A8 50 TDI
62 mph
62
mph
mph
269 ft
0.000 sec
Mercedes S 450
▶ REPLAY
16.02 lb/hp
Weight-to-Power Ratio
12.77 lb/hp
Audi A8 50 TDI
16.02 lb/hp
12.77 lb/hp
Mercedes S 450
Fuel Economy / Emissions
Audi A8 50 TDI
Mercedes S 450
Fuel Economy
42 mpg
combined
21 mpg
Audi A8 50 TDI
42 mpg
21 mpg
Mercedes S 450
37 mpg
city
14 mpg
No data
highway
29 mpg
19 gal
Fuel Tank Capacity
23.8 gal
799 mi
Range
500 mi
Audi A8 50 TDI
799 mi
500 mi
Mercedes S 450
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).
212.1 kWh
Audi A8 50 TDI
115.2 kWh
212.1 kWh
Mercedes S 450
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 4 III
291 g/mi (WLTP)
CO2 Emissions
430 g/mi (NEFZ)
Practical Convenience
Audi A8 50 TDI
Mercedes S 450
4
Doors
4
5
No. of Seats
5
1411 lb
Maximum Payload
1334 lb
14.3 cu ft
Trunk Volume
15.9 cu ft
No data
Cargo Volume (Seats Down)
No data
