Hi, Audi has many models.........................
Some of them are :
Models
* Audi A3
* Audi S8
* Audi S4
* Audi TT
* Audi RS4
* Audi Q7
* Audi Allroad
* Audi All Road
* Audi A4
* Audi S3
* Audi A5
* Audi A6
* Audi S5
* Audi A8
* Audi S6
* Audi RS6 Avant
* Audi R8
* Audi A3 1.6
* Audi A3 1.9 TDI
* Audi Q5
* Audi Q7 V12 TTDI
* Audi A3 1.6 TDI
* Audi S3 S-Tronic
* Audi S4 (New 2009)
* Audi A4 2.0 TDI
* Audi A4 Avant
* Audi A5 Cabriolet
* Audi A6 2.0 TDI
* Audi A8 4.2 TDI Quattro
* Audi TTS
* Audi A5 2.0 TFSI Quattro
* Audi S5 Cabriolet
* Audi A6 2.7 TDI
* Audi Q5 3.2 FSI
* Audi Q5 2.0 TDI
* Audi TT TDI
* Audi RS5
* Audi A5 3.0 TDI
* Audi Q5 3.0 TDI
* Audi A3 Cabriolet
* Audi TTRS
* Audi A6 Allroad
* Audi A1
Hope this helps!