Quantum Auto Sales, Inc

Open
yelp logo

(80)

Call
Website

Photos

324 S Harbor Blvd
Santa Ana, CA 92704
+1 (714) 775-3439
https://www.quantumautosales.com
At GP Motor Company, we prioritize customer satisfaction and strive to make your car-buying experience as smooth and enjoyable as possible. We understand you have many options when purchasing a vehicle, and we aim to stand out by offering competitive pricing, knowledgeable staff, and exceptional customer service. Our team is dedicated to helping you find the perfect vehicle at a great price while ensuring a hassle-free process from start to finish. Visit us or give us a call to discover how we can provide a genuinely different and superior automotive experience. ✅ Customer satisfaction is our top priority. ✅ We offer competitive pricing on a wide selection of vehicles. ✅ Our knowledgeable staff is ready to assist you with all your car-buying needs. ✅ We are committed to providing exceptional customer service for a hassle-free experience.

Also at this address

Reviews

yelp logo
3.580 reviews
Photo of Noor S.
Noor S.
8/16/2022

I came across this dealership about late June, I found the car of my dreams here and I was so worried it would get sold out due to it being in high demand- but luckily a guy named Aaron Ruiz...

Read more on Yelp
Candy G.
11/4/2025

Yes this place is a scam, I was told I would get a cheap rate for my payments only to end up paying more than what I was told and when I tried to dispute it they didn't help at all.

Read more on Yelp
Photo of Bri L.
Bri L.
12/9/2024

Quantum is shady. They do not provide good quality services. Bought a car in 2023 , kept up with the maintenance and recently it was diagnosed by quantums mechanic with two blown head gaskets . I...

Read more on Yelp
Photo of Larry D.
Larry D.
5/17/2024

I had submitted a credit application for a vehicle as the sales stated they work with challenged credit. I am in dispute with Transunion and awaiting for their response to update my score which...

Read more on Yelp
Photo of Eric T.
Eric T.
12/18/2023

This place is trash. I was so happy when I first purchased my car from them but I had no idea what nightmare was about to follow. The car started giving me problems after a month of purchasing it...

Read more on Yelp
Owner verified
See a problem?

You might also like

Quantum Auto Sales Inc

Quantum Auto Sales Inc

109
"We went in thinking we possibly couldn't get a car do to my and my fiancé credit score ! She had no license and some how after getting denied at other dealers who said they can help and they..."
Garden Grove Hyundai
Engine repair

Garden Grove Hyundai

155
"Finally - able to buy a car here after multiple attempts over the years. Youssef and Carlos hooked it up on a new 2025 Hyundai Ioniq 5 XRT. Kind of a dream come true Go see Youssef and Carlos if..."
photo of Kenneth B.
AutoNation Honda Costa Mesa

AutoNation Honda Costa Mesa

1165
"Had an accident where a 16 wheeler's tire blew and hit my bumper (after it bounced off other cars). Took about a month but I got my car back and I'm pretty happy with the result. I did have some..."
photo of Nicholas S.
United States›California›Santa Ana›Quantum Auto Sales, Inc

Partial Data by Infogroup (c) 2025. All rights reserved.

Partial Data by Foursquare.