Models With Vertically Installed Engine
WARNING: This page is about a different car, the 2021 Audi SQ7, 2021 Audi Q7, 2020 Audi SQ7, and 2020 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.
Tread depth difference on models with vertically installed engine, such as A4, A5, A6, A7, A8, Q5, Q7...
Here the average difference between the front and rear axle must not be greater than 2 mm.
Average at front axle 3.0 mm
Average at rear axle 4.5 mm
Difference of front axle to rear axle 1.5 mm
Within the permissible tolerance of 2 mm