This article outlines the location of the car battery in the Audi A4
The first diagram is for Petrol engine models.
The second diagram is for Diesel engine models.
To choose the correct battery for Audi A4 petrol models please click the link.
To choose the correct battery for Audi A4 diesel models please click the link.
Audi A4 Petrol : Battery Location
Audi A4 Diesel : Battery Location