Home › Top 5 Car Dealers in South Houston, Texas Find best Car Dealers in South Houston, Texas, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. Mario Car Co. US, South Houston, TX 77587401 Spencer Hwy US AUTO GROUP US, South Houston, TX 77587810 College Ave Penitas Auto Sales US, South Houston, TX 775871303 College Ave II Infinity Auto Group US, South Houston, TX 77587402 Spencer Hwy AutoFinance LLC US, South Houston, TX 77587915 Spencer Hwy