Get your 6th day free plus a complimentary car upgrade when you book for six or more days with Avis. Simply quote coupon code at Avis. This offer is valid on Economy Manual (Group A), Compact (Group B), Intermediate (Group C) and Standard (Group D) vehicles only. Include coupon TPNA009 when booking travel from any Avis Australia location for rentals between 3rd October – 5th December 2021.