The Comparative Analysis :
Audi S6 Avant TDI tiptronic (19 - ..) vs. Audi A6 Avant 45 TDI quattro tiptronic (18 - ..)
€ 79,000

€ 58,200

€ 79,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 58,200
ⓘ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, but the S6 Avant TDI is 0.6 inches longer and 0.9 inches lower.
S6 Avant TDI
A6 Avant 45 TDI
56.9
74.3
83.1
57.8
74.3
83.1
74.3 in
Width
74.3 in
83.1 in
Width Incl. Mirrors
83.1 in
56.9 in
Height
57.8 in
115.3
195
115.1
194.4
195 in
Length
194.4 in
115.3 in
Wheelbase
115.1 in
Vehicle Weight
S6 Avant TDI
A6 Avant 45 TDI
4619 lb
Curb Weight
4332 lb
5853 lb
Gross Vehicle
Weight
Weight
5644 lb

Weight Difference:
287 lb
6.21 %

General
S6 Avant TDI
A6 Avant 45 TDI
C8 (4K)
Generation
C8 (4K)
Station Wagon
Car Body Style
Station Wagon
Diesel
Fuel Type
Diesel

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

8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
S6 Avant TDI
A6 Avant 45 TDI
6-cylinder mild hybrid diesel engine with turbocharger and electric driven compressor
Engine Type
6-cylinder mild hybrid diesel engine with turbocharger
Engine Code
DDVE
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
344 hp
at 3850 rpm
Power
228 hp
at 3250 rpm
S6 Avant TDI
344 hp
228 hp
A6 Avant 45 TDI
516 lb‑ft
at 2500 rpm
Max. Torque
369 lb‑ft
at 1750 rpm
S6 Avant TDI
516 lb‑ft
369 lb‑ft
A6 Avant 45 TDI
Performance
S6 Avant TDI
A6 Avant 45 TDI
155 mph
Maximum Speed
155 mph
5.1 sec
Acceleration 0 to 62 mph
6.5 sec
62 mph
62
mph
mph
233 ft
0.000 sec

S6 Avant TDI
62 mph
62
mph
mph
295 ft
0.000 sec

A6 Avant 45 TDI
▶ REPLAY
13.43 lb/hp
Weight-to-Power Ratio
19 lb/hp
S6 Avant TDI
13.43 lb/hp
19 lb/hp
A6 Avant 45 TDI
Fuel Economy / Emissions
S6 Avant TDI
A6 Avant 45 TDI
Fuel Economy
36 mpg
combined
41 mpg
S6 Avant TDI
36 mpg
41 mpg
A6 Avant 45 TDI
31 mpg
city
37 mpg
No data
highway
No data
19.3 gal
Fuel Tank Capacity
16.6 gal
698 mi
Range
675 mi
S6 Avant TDI
698 mi
675 mi
A6 Avant 45 TDI
Environmental Impact
133.7 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).
119.3 kWh
S6 Avant TDI
133.7 kWh
119.3 kWh
A6 Avant 45 TDI
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6d-TEMP (WLTP)
333 g/mi (WLTP)
CO2 Emissions
303 g/mi (WLTP)
Practical Convenience
S6 Avant TDI
A6 Avant 45 TDI
5
Doors
5
5
No. of Seats
5
1235 lb
Maximum Payload
1312 lb
16 cu ft
Trunk Volume
16 cu ft










47.6 cu ft
Cargo Volume (Seats Down)
47.6 cu ft