The Comparative Analysis :
Audi A6 45 TFSI S tronic (18 - ..) vs. Audi S6 (06 - 08)
€ 51,400
€ 82,300
€ 51,400
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
The dimensions of these vehicles differ a little. Both cars are the same height, but the A6 45 TFSI is 0.7 inches longer and 1.2 inches wider.
A6 45 TFSI
S6
57.4
74.3
83.1
57.4
73
79.9
74.3 in
Width
73 in
83.1 in
Width Incl. Mirrors
79.9 in
57.4 in
Height
57.4 in
115.1
194.2
111.9
193.5
194.2 in
Length
193.5 in
115.1 in
Wheelbase
111.9 in
Vehicle Weight
A6 45 TFSI
S6
3781 lb
Curb Weight
4376 lb
4916 lb
Gross Vehicle
Weight
Weight
5490 lb
Weight Difference:
595 lb
13.6 %
General
A6 45 TFSI
S6
C8 (4K)
Generation
C6 (4F)
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Premium Unleaded

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

7-speed dual clutch transmission
Transmission
6-speed automatic transmission
Engine
A6 45 TFSI
S6
Straight-four gasoline engine with turbocharger
Engine Type
V10 gasoline engine (naturally aspirated engine)
DKNA, DLHA
Engine Code
BXA
4
Valves
4
4
Cylinders
10
2 L / 98 cu in
Displacement
5.2 L / 254 cu in
242 hp
at 5000 rpm
Power
429 hp
at 6800 rpm
A6 45 TFSI
242 hp
429 hp
S6
273 lb‑ft
at 1600 rpm
Max. Torque
398 lb‑ft
at 3000 rpm
A6 45 TFSI
273 lb‑ft
398 lb‑ft
S6
Performance
A6 45 TFSI
S6
155 mph
Maximum Speed
155 mph
6.8 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph
62
mph
mph
308 ft
0.000 sec
A6 45 TFSI
62 mph
62
mph
mph
236 ft
0.000 sec
S6
▶ REPLAY
15.62 lb/hp
Weight-to-Power Ratio
10.2 lb/hp
A6 45 TFSI
15.62 lb/hp
10.2 lb/hp
S6
Fuel Economy / Emissions
A6 45 TFSI
S6
Fuel Economy
37 mpg
combined
18 mpg
A6 45 TFSI
37 mpg
18 mpg
S6
30 mpg
city
12 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
21.1 gal
621 mi
Range
371 mi
A6 45 TFSI
621 mi
371 mi
S6
Environmental Impact
119.4 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 45 TFSI
119.4 kWh
253.8 kWh
S6
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 4
269 g/mi (WLTP)
CO2 Emissions
513 g/mi (NEFZ)
Practical Convenience
A6 45 TFSI
S6
4
Doors
4
4
No. of Seats
5
1135 lb
Maximum Payload
1113 lb
15 cu ft
Trunk Volume
15.5 cu ft











No data
Cargo Volume (Seats Down)
No data













