Ends 12/31/2024 Get a Free Upgrade on your Order. Valid for a one-time, one-car-group upgrade on an intermediate, standard or full-size Budget car rental. Your car rental must be picked up on or before 12/31/2024. May not be used in conjunction with any other coupon, promotion or offer. Coupon valid at participating Budget locations in the Contiguous U.S., Canada, U.S. Virgin Islands and Puerto Rico. One coupon per rental.