Cars & Trucks

Finding a reliable, honest used car dealership is as easy as coming to Quantum Auto Sales. Our knowledgeable sales staff at Quantum Auto Sales,  can help you figure out which one of our wide selection of vehicles would best suit your lifestyle and automotive needs, while at the same time, our financial analysts are around to get you the most affordable car loan as possible. And finally, our friendly, helpful staff of customer service experts are available to make sure you leave Quantum Auto Sales with a smile on your face. When you get a used car from Quantum Auto Sales, you’re getting so much more than just a new-to-you vehicle; you’re getting a new family of automotive experts who are always on your side. Visit us today! We can’t wait to see you!

2023 Toyota Corolla Cross

Quantum Auto Sales Escondido

Quantum Auto Sales, Inc.

Google Reviews

⭐️⭐️⭐️⭐️⭐️ 5-Star Experience!
I had an absolutely amazing experience at this dealership! Eddie and Gerardo made the entire process incredibly easy and stress-free. I was in and out in about 15 minutes, and everything went smoother than I ever expected. I got approved super fast, and they had everything ready to go. I’m beyond happy with my new car and couldn’t be more grateful for their professionalism and efficiency. Highly recommend working with them if you’re looking for a hassle-free car buying experience!

I had a terrible experience with Quantum dealership in Escondido. I bought a car there, put down $10,000 and financed the rest. Within the first week, the car started having major problems.

Since then, the car has been back to their service department multiple times, but the issues are never resolved. They say the repairs are done, but the problems keep coming back. The lack of transparency and accountability has been extremely frustrating.

Yesterday, I even went there with my own mechanic to look at the car, since they still have it. They told me it might be fixed now — but they hadn’t even driven it after the supposed repair. That left me with no confidence that the issue is actually solved.

On top of all this, the customer service has been disrespectful and unhelpful. Buying a car should bring peace of mind, but instead this has been nothing but financial loss, stress, and disappointment.

I strongly recommend avoiding Quantum Escondido if you are considering purchasing a car.

I didn’t buy a car here myself, but I’ve been by Giullia’s side through her entire experience with this dealership. I was there when she purchased her Mercedes-Benz GLC 300 and I’ve seen firsthand the nightmare she has been going through since the first week the car started having serious problems.

Instead of helping her, the dealership has been ignoring her, giving no real updates, and even treating her disrespectfully. I’ve watched her deal with constant stress, anxiety, and unsafe situations because of this.

As someone who saw all of this happen, I feel it’s important to warn others: this dealership does not treat their customers with honesty or care.

I want to thank Quantum Auto Sales Escondido CA for blessing me with a new vehicle I was struggling and it was all I needed to get me back on track in life I want to thank Gerardo & Company for working with me and my finances I give them 10/10 rating

Start with good presentation but ending with bad experience. Everything was good until we got the car. Just like others. Give us 1000 miles or 30 days warranty it was good deal but car check engine light turned on after 1000 miles and couldn’t reach anyone. Radio volume button wasn’t work we didn’t even notice when we get the car and still 3 weeks still no call I’m a local person and I will not stop by again. They really trick you.

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2023 Toyota Corolla Cross

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