They are approximately $100 for a set of four from your local Audi dealer. Always ask for a discount, they will usually give you ten percent off. These hold a lot of snow/water and attach to the existing front mounts. Rears have a velcro type surface to stay put. They are highly recommended!
Part numbers for the mats are as follows:
- Front 4D1 061 501B 041
- Rear 4D0 061 511 041