Hi Guy, I think they should fit :)
But.iv included a wheel guide iv found here.....
https://www.wheel-size.com/size/audi/a3/2006/
And this general.audi.one......
http://www.alloywheelsdirect.net/information/fitting_chart/audi
By the way I've hidden your similar post as it's a duplicate. Just thought I'd let you know. We never delete posts on the forum.
Hope IV helped :)
Cheers
Steve