Skip to content
Hours & Directions
Garden Grove: (714) 265-0240
Santa Ana: (714) 775-3439
Escondido: (760) 738-1500
Inventory
Convertibles
Cars
Trucks
Crossovers & SUVs
Vans
Instant Cash Offer
Finance
Credit App
Quantum Auto Sales Garden Grove
Quantum Auto Sales Santa Ana
Quantum Auto Sales Escondido
Get Pre-qualified with Capital One
Instant Cash Offer
Trade In
About Us
About Quantum Auto Sales
Car Finder
Contact Us
Choc Fundraiser
Menu
Inventory
Convertibles
Cars
Trucks
Crossovers & SUVs
Vans
Instant Cash Offer
Finance
Credit App
Quantum Auto Sales Garden Grove
Quantum Auto Sales Santa Ana
Quantum Auto Sales Escondido
Get Pre-qualified with Capital One
Instant Cash Offer
Trade In
About Us
About Quantum Auto Sales
Car Finder
Contact Us
Choc Fundraiser
WANT TO SELL US YOUR CAR? WE WILL BEAT ANYONE'S PRICE!
Find Your Dream
Car
SUV
Truck
Van
Check New Arrivals
Shop by Body
SUVs
Trucks
Cars
Convertibles
Vans
EVs
Thousands of Happy Customers Every Year
Rodney Rippy
6 months ago
Stopped by Quantum Auto Sales in Garden Grove. They have another location in Santa Ana and one in Escondido. The staff...
Read More
Lucinda Campos
6 months ago
We had an excellent experience working with Aaron! He was patient, knowledgeable, and truly supportive while helping my 18 year old...
Read More
Julianne Edge
6 months ago
Cesar Ramirez was the best car salesman I've ever had. He was so nice from the beginning, even gave me a...
Read More
Lovely Jones
3 months ago
Omg Jorge and isela was a great help while Oscar went out his way to make sure I was satisfied.. so...
Read More
Read More Reviews
Find Your Next Vehicle
search by model, color, options, or anything else...
