ExxonMobil Gift Cards are the perfect gift for any occasion and a great way to save on road trips. eBay has a $100 ExxonMobil Gas Gift Card for only $93.00! They help create new memories and keep us connected to the ones we love. Use them at more than 11,000 Exxon and Mobil locations across the U.S., both at the pump and in the convenience store.