GMC, Buick, and Cadillac in Moncton | MacDonald Auto Dealership

MacDonald Autosource in Moncton, NB has been serving customers in the Maritimes for over six years and in that short time period we've managed to build a solid reputation. We are strong, focused, and committed to providing the best service to our customers. As Atlantic Canada's GM Giant, we continue to change and improve to meet your ever growing needs. That is why we have the biggest used cars and trucks inventory in Moncton.

Come to the dealership that Moncton trusts.

If you don't see a particular vehicle , click on CarFinder. We will gladly inform you when a matching car arrives. If you're only browsing, sign up on our Recently Acquired page for regular updates on new arrivals to our used cars, trucks and SUV inventory. If you'd like to see a vehicle in person, click on Dealership: Directions for step-by-step driving instructions to our site, or give us a call. We look forward to serving you!

Our experienced sales staff want to do everything possible to help you make a sensible and informed vehicle purchase. We encourage you to browse our preowned or new online inventory, schedule a test drive and investigate financing options. Don't forget to browse our Specials to find out how you could get great deals on New, Used, Parts, Service or more. You can also request more information about a vehicle using our online form or by calling 1 (506) 853-1650.

Our Service Department is second to none and we're open when you need us. Schedule a tuneup today! Get that dirty car clean without getting your hands dirty at our Detailing Department the best in town!

MacDonald Buick GMC Cadillac is your GM Giant . we are your Moncton, Riverview, Dieppe used car dealer. As Atlantic Canada's GMC Giant , we have your truck no matter what you are looking for. As your GM Giant, we will provide you with the best quality vehicles and service.