Audi A6 engine produces 15 HP less power than Audi A8, whereas torque is 20 NM less than Audi A8.
Fuel consumption
Fuel consumption (l/100km):
12.0
10.9
Real fuel consumption:
14.0 l/100km
13.7 l/100km
The Audi A8 is a better choice when it comes to fuel economy. By specification Audi A6 consumes 1.1 litres more fuel per 100 km than the Audi A8, which means that if you drive 15,000 km in a year, the Audi A6 could require 165 litres more fuel. By comparing actual fuel consumption based on user reports, Audi A6 consumes 0.3 litres more fuel per 100 km than the Audi A8.
Fuel tank capacity:
80 litres
90 litres
Full fuel tank distance:
660 km in combined cycle
820 km in combined cycle
900 km on highway
1090 km on highway
570 km with real consumption
650 km with real consumption
Audi A8 gets more mileage on one fuel tank.
Drive type
Wheel drive type:
4x4 - AWD (all-wheel-drive)
All wheel drive (AWD, 4x4)
Dimensions
Length:
4.92 m
5.05 m
Width:
1.86 m
1.89 m
Height:
1.46 m
1.44 m
Audi A6 is smaller, but slightly higher. Audi A6 is 13 cm shorter than the Audi A8, 3 cm narrower, while the height of Audi A6 is 2 cm higher.
Trunk capacity:
546 litres
500 litres
Audi A6 has more luggage capacity. Even though the car is shorter, Audi A6 has 46 litres more trunk space than the Audi A8. The Audi A8 may have more interior space, so the cabin could be more spacious and more comfortable for the driver and passengers.
Turning diameter:
12 meters
12.1 meters
The turning circle of the Audi A6 is 0.1 metres less than that of the Audi A8.
Audi A8 has fewer problems. According to annual technical inspection data Audi A6 has serious deffects in 25 percent more cases than Audi A8, so Audi A8 quality is probably significantly better
