If you feel like you need even another reason to love your Audi, you might want to know that Kelley Blue Book's kbb.com acknowledged Audi as the best luxury brand vehicle for total cost of ownership in a report recently released in August.  Based on factors impacting post-purchase values of new vehicles, the 2012 Audi A3 2.0T and 2012 Audi A4 2.0T models lead the pack with remarkable fuel economy and…