The Comparative Analysis :
Audi A6 2.8 FSI multitronic (08 - 10) vs. Audi S6 (06 - 08)
€ 40,200

€ 82,300

€ 40,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 82,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
Тhere is barely any difference in dimensions between the two vehicles. Both cars are the same width and height, but the A6 2.8 FSI is 0.4 inches longer.
A6 2.8 FSI
S6
57.4
73
79.9
57.4
73
79.9
73 in
Width
73 in
79.9 in
Width Incl. Mirrors
79.9 in
57.4 in
Height
57.4 in
111.9
194
111.9
193.5
194 in
Length
193.5 in
111.9 in
Wheelbase
111.9 in
Vehicle Weight
A6 2.8 FSI
S6
3560 lb
Curb Weight
4376 lb
4740 lb
Gross Vehicle
Weight
Weight
5490 lb

Weight Difference:
816 lb
18.65 %

General
A6 2.8 FSI
S6
C6 (4F)
Generation
C6 (4F)
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Premium Unleaded

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

Continuously variable transmission (CVT)
Transmission
6-speed automatic transmission
Engine
A6 2.8 FSI
S6
V6 gasoline engine (naturally aspirated engine)
Engine Type
V10 gasoline engine (naturally aspirated engine)
CCDA
Engine Code
BXA
4
Valves
4
6
Cylinders
10
2.8 L / 137 cu in
Displacement
5.2 L / 254 cu in
187 hp
at 5000 rpm
Power
429 hp
at 6800 rpm
A6 2.8 FSI
187 hp
429 hp
S6
207 lb‑ft
at 3000 rpm
Max. Torque
398 lb‑ft
at 3000 rpm
A6 2.8 FSI
207 lb‑ft
398 lb‑ft
S6
Performance
A6 2.8 FSI
S6
145 mph
Maximum Speed
155 mph
8.3 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph
62
mph
mph
377 ft
0.000 sec

A6 2.8 FSI
62 mph
62
mph
mph
236 ft
0.000 sec

S6
▶ REPLAY
19.04 lb/hp
Weight-to-Power Ratio
10.2 lb/hp
A6 2.8 FSI
19.04 lb/hp
10.2 lb/hp
S6
Fuel Economy / Emissions
A6 2.8 FSI
S6
Fuel Economy
28 mpg
combined
18 mpg
A6 2.8 FSI
28 mpg
18 mpg
S6
20 mpg
city
12 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
21.1 gal
518 mi
Range
371 mi
A6 2.8 FSI
518 mi
371 mi
S6
Environmental Impact
159.2 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).
253.8 kWh
A6 2.8 FSI
159.2 kWh
253.8 kWh
S6
Euro 5
Emission Standard
Euro 4
314 g/mi (NEFZ)
CO2 Emissions
513 g/mi (NEFZ)
Practical Convenience
A6 2.8 FSI
S6
4
Doors
4
5
No. of Seats
5
1179 lb
Maximum Payload
1113 lb
15.5 cu ft
Trunk Volume
15.5 cu ft










No data
Cargo Volume (Seats Down)
No data