About Us

Welcome to Quantum Auto Sales

A Legacy of Trust and Quality

At Quantum Auto Sales, we’ve built a legacy of trust by providing our valued customers with a wide selection of meticulously inspected and well-maintained used cars. With years of experience serving the Southern California community, we have earned a reputation for delivering vehicles that exceed expectations.

Our Diverse Inventory

Explore our extensive inventory to find the perfect vehicle to suit your lifestyle. Whether you’re seeking a fuel-efficient sedan, a spacious SUV, or a rugged truck, we have an array of options to choose from. Our team is here to assist you in finding the ideal vehicle that meets your preferences and budget.

A Customer-Centric Approach

What sets us apart is our customer-centric approach. We prioritize your needs and ensure a seamless buying experience. Our dedicated team of experts is ready to guide you through the process, answer your questions, and provide the financing options that make owning your dream car a reality.

Vist Quantum Auto Sales Today

When you’re in the market for the best-used cars in Southern California, there’s no better place to turn than Quantum Auto Sales. Come visit us today, and discover why we are your trusted partner in finding the perfect used car for you. Your satisfaction is our priority, and we look forward to serving you soon.

Garden Grove

Monday - Friday 9:00 am - 9:00 pm
Saturday 9:00 am - 9:00 pm
Sunday 10:00 am - 8:00 pm

Santa Ana

Monday - Friday 9:00 am - 8:00 pm
Saturday 9:00 am - 8:00 pm
Sunday 10:00 am - 8:00 pm

Escondido

Monday - Friday 9:00 am - 8:00 pm
Saturday 9:00 am - 8:00 pm
Sunday 10:00 am - 8:00 pm