What Causes Low Acceleration in Audi 80?

I recently bought an Audi 80 and noticed that the acceleration is not as strong as I expected. What could be the possible causes for this issue?

One possible cause for low acceleration in Audi 80 could be a clogged air filter. It is recommended to check and replace the air filter if needed.

Another reason for low acceleration in Audi 80 could be a faulty fuel pump. It is advised to have the fuel pump checked and replaced if necessary.