Choose 1st car rent a car at Houston George Bush Airport and get a premium vehicle and friendly customer service. Our diverse fleet has something for every group size and budget. Choose a city-friendly economy or full-size sedan, or an SUV made for family road trips. Then customize your Houston Airport car rental by selecting optional add-ons like GPS, an additional driver, extra protection, child seats, 1st car Connect Wi-Fi service or Express Toll Unlimited. Make your way through Houston and the surrounding area quickly when you add GPS and Express Toll Unlimited.