Our Picks
Quantum Autos New Ross, your Premium Used Car dealership in the South East
Here at Quantum Autos we pride ourselves on being a family run business with over ten years Motor Trade experience and being one of Ireland’s Premium Used Car dealers in the South East. All of our 60+ cars come fully inspected, history checked and warrantied.
As one of the most innovative car dealerships in Ireland we are proud to now offer used car finance, with the most competitive rates on the market. Our focus is to offer hassle free, professional selling while undercutting the market, which we can do due to our huge buying power. We endeavour to offer competitive trade in deals on all cars. We also work with all major banks and are an AIB approved dealer.
For directions to our premises, please click here.
New stock arrives weekly so please check back regularly. Thank you for visiting our site, we look forward to seeing you in the future.
What Our Happy Customers Say
My husband and I just traded in our cars to size down to one second hand car. We got a fair price for the cars and we're very happy with our new car. Dealing with Jason and Davin was easy as they are professional and have a very pleasant manner.We will definitely recommend them .
Patricia Mooney
14:31 24 Jan 26
Purchased a car from Jason here recently. From the time we walked in, we were treated professionally, warmly and not in a "showy" car salesman way. Jason answered all our questions, gave us great advice and provided a first class service. I couldn't recommend him or Quantum Autos more highly.
aine roche
14:06 21 Jan 26
I recently purchased a car from the guys here Jason Darren and Devon and I couldn’t be happier with the experience. From the moment I walked in, both Devon and Jason were incredibly friendly, welcoming, and genuinely helpful. I would not go past the guys here, my second time buying a car off Devon in quantum and I’ll definitely be back ! Thanks again guys
Felicity Tubritt
13:28 15 Nov 25
Bought a new used car from Quantum Autos. Devon and Jason were nothing but gentlemen from the time we walked in. Everything was easy going, no pressure and a quick turnaround once the decision to buy was made. Could not fault the lads or the car, very impressed and will be back. Thanks again 👌🏻
James Hackett
21:06 14 Nov 25
Friendly and helpful staff, would highly recommend.I dealt with Darragh from the start and he was very helpful and accommodating.I highly recommend Quantum Autos.
Maurice Curran
16:43 14 Nov 25
I went into the azkar branch and was greeted by a man called Devon, took me around the grounds showing me the range of cars they had and was extremely helpful and polite. Talked me through the reliably and maintenance of each vehicle I was curious about assuring me through the whole process. Lovely interaction
Seamus Power
14:35 07 Nov 25
Just bought a car from here. Believe Devon was the name of The Salesman I was dealing with he was very friendly and helpful and my mother will be back to buy from here also. Would Recommend. Delighted with the new car thanks lads!!
Daniel Prager
17:41 30 Oct 25
I just bought a Hyundai i30 from here, and I have to say the service was second to none! I dealt with Devon and Jason, and they made everything so easy. from the test drive to finance approval and signing, all done within 24 hours. Couldn’t recommend them more!
Aibhilin Dowling
12:11 30 Oct 25
I bought a van off quantum autos a few weeks ago and to be honest is was smooth sailing all the way. The van had a few small issues which Darren was happy to sort out before I bought it. Had an issue with a blower fan recently with the lads were happy to replace. Pleasure to deal with
Neil White
09:48 16 Apr 25
It was my first time buying a car in Ireland and John at Quantum made it so easy and straightforward.I definitely would recommend John AND Quantum Autos to anyone who want to purchase a car, all my questions were answered professionally and I had no second guesses in purchasing a car from Quantum Autos.Definitely will recommend!!
Beatrice Coudol
19:39 26 Mar 25
Couldn’t have asked for better service appreciate the team thanks for the motor 👍🏼👍🏼🫡
Nathan Higgins
19:31 26 Mar 25
Had the absolute pleasure of dealing with Darren because I hadn’t a clue of what car to go for, he was patient and a gentleman to deal with. He made the handover for me so easy no stress at all. Gave me all my options and guided me through each one with no hassle. I eventually chose the car I wanted. I will definitely be going back when I’m due an upgrade!!
William Scallan Carroll
15:30 26 Feb 25
Would 100% recommend Quantum autos they have a lovely range of cars from SUVs van , family cars and also first time cars the service both John and David give is amazing couldn’t of been more helpful thanks again guys much appreciated 🙏🙏
Lara Fitzgerald
14:06 12 Feb 25
Excellent service and a hard choice with so many great cars available. Was well looked after and was delighted with the ease of the finance application🙏 thanks so much guys🙏
john fitzgerald
15:05 17 Sep 24
Bought my new car from here a few weeks ago. Absolutely delighted with my purchase, David the salesman was brilliant and didn’t try and push anything on me like other garages I’d been to. I would totally recommend this garage . 💯
elaine mccarthy
20:03 06 Sep 24
Great service by John in quantum autos. From the initial call to picking up my new car within 2 days. Fantastic service
david cooley
19:45 06 Sep 24
David is a great car salesman.. Yeah can be busy but helpful and cares ..I recommend dealing with him.
Raoof Zahrah
08:23 01 Sep 24
Recently purchased my new car from Quantum Autos in new ross. Couldn't be happier with the sales service from both John and David, would highly recommend
Christina Coffey
13:41 02 Aug 24
I buyed my first car in Ireland from Quantum Auto's. Tommy helped me with literally everything. From the start to the end. Everything was so smooth and withouth issue. I could only recommend them!
Gergő Sükösd
19:24 25 Feb 24
Highly recommend, thanks to Noel. He was a pleasure to deal with and nothing was to much trouble! He made the whole process of buying my car so easy! I wouldnt hesitate going back to them for my next car Thank you
Ann Armstrong
19:07 31 Jul 23
Haven't made a deal here, but for sure will look back to Quantum Autos when I will be ready. Staff very well explained my options just in a few sentences. That was amazing. While most sellers just forsing you to make a deal no matter what. Impressed with clarity and professionalism. There are few negative comments about after sale issues with warranty etc. Can't say nothing about it as I just bookmarked this place because of the reasons I mentioned above.
Faustas L. (Client76)
20:15 19 Feb 23
