The Comparative Analysis :
Mercedes S 500 BlueEFFICIENCY long 7G-TRONIC PLUS (11 - 13) vs. Audi A8 L 6.3 FSI W12 quattro tiptronic (10 - 13)
€ 105,900

€ 138,900

€ 105,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 138,900
ⓘ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 Mercedes S 500 BlueEFFICIENCY long is 1.6 inches shorter, 3.1 inches narrower and 0.6 inches taller than the Audi A8 L 6.3 FSI W12.
Mercedes S 500 BlueEFFICIENCY long
Audi A8 L 6.3 FSI W12
58.5
73.7
83.5
57.9
76.7
83.1
73.7 in
Width
76.7 in
83.5 in
Width Incl. Mirrors
83.1 in
58.5 in
Height
57.9 in
124.6
205.7
122.9
207.4
205.7 in
Length
207.4 in
124.6 in
Wheelbase
122.9 in
Vehicle Weight
Mercedes S 500 BlueEFFICIENCY long
Audi A8 L 6.3 FSI W12
4564 lb
Curb Weight
4696 lb
5842 lb
Gross Vehicle
Weight
Weight
5853 lb

Weight Difference:
132 lb
2.81 %

General
Mercedes S 500 BlueEFFICIENCY long
Audi A8 L 6.3 FSI W12
W221
Generation
D4 (4H)
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Premium Unleaded

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

7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes S 500 BlueEFFICIENCY long
Audi A8 L 6.3 FSI W12
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
V12 gasoline engine (naturally aspirated engine)
Mercedes-Benz M 278
Engine Series
M 278.932
Engine Code
CEJA, CTNA

4
Valves
4
8
Cylinders
12
4.7 L / 230 cu in
Displacement
6.3 L / 308 cu in
429 hp
at 5250 rpm
Power
493 hp
at 6200 rpm
Mercedes S 500 BlueEFFICIENCY long
429 hp
493 hp
Audi A8 L 6.3 FSI W12
516 lb‑ft
at 1800 rpm
Max. Torque
461 lb‑ft
at 4750 rpm
Mercedes S 500 BlueEFFICIENCY long
516 lb‑ft
461 lb‑ft
Audi A8 L 6.3 FSI W12
Performance
Mercedes S 500 BlueEFFICIENCY long
Audi A8 L 6.3 FSI W12
155 mph
Maximum Speed
155 mph
5 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph
62
mph
mph
226 ft
0.000 sec

Mercedes S 500 BlueEFFICIENCY long
62 mph
62
mph
mph
213 ft
0.000 sec

Audi A8 L 6.3 FSI W12
▶ REPLAY
10.64 lb/hp
Weight-to-Power Ratio
9.53 lb/hp
Mercedes S 500 BlueEFFICIENCY long
10.64 lb/hp
9.53 lb/hp
Audi A8 L 6.3 FSI W12
Fuel Economy / Emissions
Mercedes S 500 BlueEFFICIENCY long
Audi A8 L 6.3 FSI W12
Fuel Economy
25 mpg
combined
20 mpg
Mercedes S 500 BlueEFFICIENCY long
25 mpg
20 mpg
Audi A8 L 6.3 FSI W12
18 mpg
city
14 mpg
32 mpg
highway
No data
21.9 gal
Fuel Tank Capacity
23.8 gal
549 mi
Range
470 mi
Mercedes S 500 BlueEFFICIENCY long
549 mi
470 mi
Audi A8 L 6.3 FSI W12
Environmental Impact
178.2 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).
225.5 kWh
Mercedes S 500 BlueEFFICIENCY long
178.2 kWh
225.5 kWh
Audi A8 L 6.3 FSI W12
Euro 5
Emission Standard
Euro 5
352 g/mi (NEFZ)
CO2 Emissions
446 g/mi (NEFZ)
Practical Convenience
Mercedes S 500 BlueEFFICIENCY long
Audi A8 L 6.3 FSI W12
4
Doors
4
5
No. of Seats
5
1279 lb
Maximum Payload
1157 lb
15.9 cu ft
Trunk Volume
14.4 cu ft










No data
Cargo Volume (Seats Down)
No data