The Comparative Analysis :
Audi A6 4.2 FSI quattro tiptronic (08 - 10) vs. Audi RS6 (08 - 10)
€ 67,400

€ 108,400

€ 67,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 108,400
ⓘ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 length, but the A6 4.2 FSI is 1.3 inches narrower and 0.1 inches taller.
A6 4.2 FSI
RS6
57.4
73
79.9
57.3
74.4
79.9
73 in
Width
74.4 in
79.9 in
Width Incl. Mirrors
79.9 in
57.4 in
Height
57.3 in
111.9
194
112
194
194 in
Length
194 in
111.9 in
Wheelbase
112 in
Vehicle Weight
A6 4.2 FSI
RS6
4068 lb
Curb Weight
4542 lb
5181 lb
Gross Vehicle
Weight
Weight
5655 lb

Weight Difference:
474 lb
10.44 %

General
A6 4.2 FSI
RS6
C6 (4F)
Generation
C6 (4F)
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

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

6-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
A6 4.2 FSI
RS6
V8 gasoline engine (naturally aspirated engine)
Engine Type
V10 gasoline engine with two turbochargers (biturbo)
BVJ
Engine Code
BUH
4
Valves
4
8
Cylinders
10
4.2 L / 206 cu in
Displacement
5 L / 245 cu in
345 hp
at 6800 rpm
Power
572 hp
at 6250 rpm
A6 4.2 FSI
345 hp
572 hp
RS6
325 lb‑ft
at 3500 rpm
Max. Torque
479 lb‑ft
at 1500 rpm
A6 4.2 FSI
325 lb‑ft
479 lb‑ft
RS6
Performance
A6 4.2 FSI
RS6
155 mph
Maximum Speed
155 mph
5.9 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph
62
mph
mph
269 ft
0.000 sec

A6 4.2 FSI
62 mph
62
mph
mph
207 ft
0.000 sec

RS6
▶ REPLAY
11.79 lb/hp
Weight-to-Power Ratio
7.94 lb/hp
A6 4.2 FSI
11.79 lb/hp
7.94 lb/hp
RS6
Fuel Economy / Emissions
A6 4.2 FSI
RS6
Fuel Economy
23 mpg
combined
17 mpg
A6 4.2 FSI
23 mpg
17 mpg
RS6
16 mpg
city
12 mpg
No data
highway
No data
21.1 gal
Fuel Tank Capacity
21.1 gal
487 mi
Range
358 mi
A6 4.2 FSI
487 mi
358 mi
RS6
Environmental Impact
193.3 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).
263.3 kWh
A6 4.2 FSI
193.3 kWh
263.3 kWh
RS6
Euro 4
Emission Standard
Euro 4 III
393 g/mi (NEFZ)
CO2 Emissions
533 g/mi (NEFZ)
Practical Convenience
A6 4.2 FSI
RS6
4
Doors
4
5
No. of Seats
5
1113 lb
Maximum Payload
1113 lb
15.5 cu ft
Trunk Volume
15.5 cu ft










No data
Cargo Volume (Seats Down)
No data