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Shop Used Cars at Quantum Auto Sales – Serving Garden Grove, Santa Ana, Escondido & Surrounding SoCal Communities
Quantum Auto Sales proudly offers an extensive inventory of quality used cars at our three convenient locations in Garden Grove, Santa Ana, and Escondido, CA. Whether you’re looking for a fuel-efficient sedan, a sporty coupe, or a dependable daily driver, you’ll find top makes and models from trusted brands like Toyota, Honda, Nissan, Hyundai, Kia, Ford, and Chevrolet.
Drivers from Anaheim, Fullerton, Irvine, Oceanside, Carlsbad, and beyond choose Quantum Auto Sales for our reliable selection, competitive pricing, and friendly, no-pressure service.
Why Buy Your Next Car from Quantum Auto Sales?
✔ Wide selection of used sedans, hatchbacks, and coupes
✔ Popular models like Toyota Corolla, Honda Civic, Hyundai Elantra, and Nissan Altima
✔ Affordable pricing and easy financing options for all credit types
✔ Three locations to serve you across Orange County and San Diego County
✔ Bilingual staff and a hassle-free car buying experience
Browse our used car inventory online or stop by one of our Southern California locations to take a test drive today!