Cavender Cadillac For over 70 years, South Texans have come to rely on Cavender Confidence. Confidence in the integrity and responsibility the Cavender name brings to its customers and the community. It is said that "When the Cavender name is on the door, you'll find a Cavender on the floor!" Billy Cavender exemplifies just that at Cavender Cadillac. Cavender Cadillac, located at 7625 N Loop 1604 E, San Antonio, TX, 78233, is an exclusive Cadillac dealership, with a record of awards and accolades over the 30 years of operation. That's why for over 70 years, Confidence is Cavender.