A 2013 Audi Q5, is it timing chain or timing belt?
The good news is that it has a timing chain.
The bad news is that the chain tensioners in these engines are very prone to failure, with catastrophic engine damage being the result.
Here is some info regarding the Class Action Lawsuit that was filed against VW/Audi as a result of these engine problems:
The 2 liter engine has a timing belt.
I would have to check service info to be sure, but if this is the engine design I think it is it has both a timing belt and a timing chain.
Why do you ask?