MAIN MOTORS on Chula Vista's Main Street operates as a pre-owned vehicle dealership under MBGI Auto Group Inc., stocking roughly two dozen sedans, trucks, and SUVs from makes including Ford, Nissan, Chevrolet, Dodge, Toyota, Kia, and Volkswagen. Each unit undergoes a multi-point mechanical inspection before listing, with drivetrain and brake-system evaluations handled through the same diagnostic process used by independent repair specialists such as Becka Automotive for pre-purchase assessments. The lot's price range clusters between $5,000 and $20,000, covering model years from the mid-2000s through the early 2020s across front-wheel-drive sedans, four-wheel-drive trucks, and midsize crossovers. Tire and brake condition on each retail-ready unit is verified against manufacturer tread-depth and pad-thickness minimums, the same wear standards measured by service centers such as Pep Boys Auto Service & Tires during routine maintenance inspections. The dealership's highest-value inventory includes four-wheel-drive pickup trucks evaluated for frame corrosion, transfer-case operation, and differential fluid condition before any unit is cleared for the sales floor.