Secure a safe and affordable San Antonio Airport car rental from SIXT that will match all your needs. Whether it’s a full-size sedan that will fit your entire family, a rugged pickup or a spacious SUV, our fleet has a vehicle that is perfect for your trip. Bookable add-ons like GPS, child seats, and an additional driver are always available. Those staying in San Antonio may want to book a premium SUV in order to travel in style, while an economy car is perfect for saving gas during longer road trips throughout Texas.