The Comparative Analysis :
Mercedes S 450 7G-TRONIC (06 - 09) vs. Audi A8 55 TFSI quattro tiptronic (17 - ..)
€ 83,700
€ 95,200
€ 83,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 95,200
ⓘ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 Mercedes S 450 is 3.6 inches shorter and 2.9 inches narrower.
Mercedes S 450
Audi A8 55 TFSI
58
73.7
83.5
58
76.6
83.9
73.7 in
Width
76.6 in
83.5 in
Width Incl. Mirrors
83.9 in
58 in
Height
58 in
119.5
200
118
203.6
200 in
Length
203.6 in
119.5 in
Wheelbase
118 in
Vehicle Weight
Mercedes S 450
Audi A8 55 TFSI
4277 lb
Curb Weight
4420 lb
5611 lb
Gross Vehicle
Weight
Weight
5930 lb
Weight Difference:
143 lb
3.24 %
General
Mercedes S 450
Audi A8 55 TFSI
W221
Generation
D5 (4N)
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes S 450
Audi A8 55 TFSI
V8 gasoline engine (naturally aspirated engine)
Engine Type
6-cylinder mild hybrid gasoline engine with turbocharger
Mercedes-Benz M 273
Engine Series
M 273.922
Engine Code
CZSE
4
Valves
4
8
Cylinders
6
4.7 L / 230 cu in
Displacement
3 L / 147 cu in
335 hp
at 6000 rpm
Power
335 hp
at 5000 rpm
Mercedes S 450
335 hp
335 hp
Audi A8 55 TFSI
339 lb‑ft
at 2700 rpm
Max. Torque
369 lb‑ft
at 1370 rpm
Mercedes S 450
339 lb‑ft
369 lb‑ft
Audi A8 55 TFSI
Performance
Mercedes S 450
Audi A8 55 TFSI
155 mph
Maximum Speed
155 mph
5.9 sec
Acceleration 0 to 62 mph
5.6 sec
62 mph
62
mph
mph
269 ft
0.000 sec
Mercedes S 450
62 mph
62
mph
mph
256 ft
0.000 sec
Audi A8 55 TFSI
▶ REPLAY
12.77 lb/hp
Weight-to-Power Ratio
13.19 lb/hp
Mercedes S 450
12.77 lb/hp
13.19 lb/hp
Audi A8 55 TFSI
Fuel Economy / Emissions
Mercedes S 450
Audi A8 55 TFSI
Fuel Economy
21 mpg
combined
30 mpg
Mercedes S 450
21 mpg
30 mpg
Audi A8 55 TFSI
14 mpg
city
22 mpg
29 mpg
highway
No data
23.8 gal
Fuel Tank Capacity
19 gal
500 mi
Range
574 mi
Mercedes S 450
500 mi
574 mi
Audi A8 55 TFSI
Environmental Impact
212.1 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 450
212.1 kWh
147.7 kWh
Audi A8 55 TFSI
Euro 4 III
Emission Standard
Euro 6d-TEMP (WLTP)
430 g/mi (NEFZ)
CO2 Emissions
344 g/mi (WLTP)
Practical Convenience
Mercedes S 450
Audi A8 55 TFSI
4
Doors
4
5
No. of Seats
5
1334 lb
Maximum Payload
1510 lb
15.9 cu ft
Trunk Volume
14.3 cu ft
No data
Cargo Volume (Seats Down)
No data
