Audi A6 and Audi A4 have the same engine power, the torque is the same for both cars. Audi A6 reaches 100 km/h speed 0.8 seconds later.
Fuel consumption
Fuel consumption (l/100km):
8.5
8.2
Real fuel consumption:
9.5 l/100km
9.1 l/100km
By specification Audi A6 consumes 0.3 litres more fuel per 100 km than the Audi A4, which means that if you drive 15,000 km in a year, the Audi A6 could require 45 litres more fuel. By comparing actual fuel consumption based on user reports, Audi A6 consumes 0.4 litres more fuel per 100 km than the Audi A4.
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
4 years
9 years
Engine spread:
Used also on Audi A4
Installed on at least 9 other car models, including Volkswagen Passat, Volkswagen Golf, Skoda Octavia, Audi A3
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. Audi A4 might be a better choice in this respect.
Audi A4 2001 1.8 engine: The weakest link in this engine is the turbine, whose failure is contributed to by a faulty catalytic converter. The oil pump and chain tensioner also tend to have problems.
Dimensions
Length:
4.80 m
4.55 m
Width:
1.81 m
1.77 m
Height:
1.48 m
1.43 m
Audi A6 is larger. Audi A6 is 25 cm longer than the Audi A4, 4 cm wider, while the height of Audi A6 is 5 cm higher.
Trunk capacity:
455 litres
442 litres
Audi A6 has 13 litres more trunk space than the Audi A4.
Turning diameter:
11.7 meters
11.1 meters
The turning circle of the Audi A6 is 0.6 metres more than that of the Audi A4, which means Audi A6 can be harder to manoeuvre in tight streets and parking spaces.
Audi A4 has fewer problems. According to annual technical inspection data Audi A6 has serious deffects in 25 percent more cases than Audi A4, so Audi A4 quality is probably significantly better
