Currently in a 2003 tdi 130 avant. Looking at changing to an 06 1.8T sline avant. Couple of questions...

* what is the difference in fuel economy?
* how much would a retro fit rear parking sensors cost
* is the concert ii stereo as good as the symphony i have at the mo

Any other advice on the 2006 model would be greatly appreciated , pros and cons

Cheers