Why does my Audi's engine make a loud grinding noise?

I have a 2015 Audi A4 with low mileage. Recently, I noticed that the engine makes a loud grinding noise when I accelerate. What could be causing this issue and how can I fix it? Thank you!

It sounds like you may have an issue with your timing belt. It's important to get this checked out by a mechanic as soon as possible because if the timing belt breaks, it can cause expensive damage to your engine.

Check your transmission fluid level. If it's low, it could be causing the grinding noise. Make sure to top it up to the correct level and if the noise persists, get it checked by a professional.