Audi A8 is more dynamic to drive. Audi A8 engine produces 40 HP more power than Audi A6, whereas torque is 75 NM more than Audi A6. Thanks to more power Audi A8 reaches 100 km/h speed 2.8 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
7.3
5.7
The Audi A6 is a better choice when it comes to fuel economy. Audi A8 consumes 1.6 litres more fuel per 100 km than the Audi A6, which means that if you drive 15,000 km in a year, the Audi A8 could require 240 litres more fuel.
Fuel tank capacity:
90 litres
70 litres
Full fuel tank distance:
1230 km in combined cycle
1220 km in combined cycle
1600 km on highway
1520 km on highway
Dimensions
Length:
5.03 m
4.80 m
Width:
1.88 m
1.81 m
Height:
1.44 m
1.45 m
Audi A8 is larger, but slightly lower. Audi A8 is 23 cm longer than the Audi A6, 7 cm wider, while the height of Audi A8 is 1 cm lower.
Trunk capacity:
525 litres
551 litres
Audi A6 has more luggage space. Despite its longer length, Audi A8 has 26 litres less trunk space than the Audi A6. This could mean that the Audi A8 uses more space in the cabin, so the driver and passengers could be more spacious and comfortable.
Turning diameter:
12.3 meters
11.7 meters
The turning circle of the Audi A8 is 0.6 metres more than that of the Audi A6, which means Audi A8 can be harder to manoeuvre in tight streets and parking spaces.
Audi A8 has slightly fewer faults. Deffect rate in annual technical inspection is similar for both cars, it's slightly higher for Audi A6, so Audi A8 quality could be a bit better.
