You can now book, collect & return your Sydney Airport hire vehicle via the Avis App. Download the Avis App and enjoy total control of your rental experience now, including benefits such as choosing your own vehicle upon arrival, skipping the counter as well as seamless collection and return of your hire vehicle! Search 'Avis App' now. Avis Sydney Airport offers a wide range of new hire vehicles to suit every journey. We offer small and medium cars for a busy day in town, luxurious premium models for the corporate traveller and SUVs or 4WDs that would make the perfect accompaniment for a family holiday. Plus Avis offers a full range of utes, vans and moving trucks.