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Welcome to Trois Diamants Auto

Chrysler Jeep Dodge RAM Fiat Dealer in Mascouche

Trois Diamants Auto in Mascouche treats the needs of each individual customer with paramount concern. We know that you have high expectations, and as a car dealer we enjoy the challenge of meeting and exceeding those standards each and every time. Allow us to demonstrate our commitment to excellence!

Our experienced sales staff is eager to share its knowledge and enthusiasm with you. We encourage you to browse our online inventory, schedule a test drive and investigate financing options. You can also request more information about a vehicle using our online form or by calling (877) 882-9342.

If you don't see a particular vehicle, click on CarFinder and complete the form. We will gladly inform you when a matching car arrives. If you'd like a 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!


So much better than GRENIER DODGE. Thanks for making my purchase so easy. I truly felt like you guys bent over backwards for me. 😁

John Doeadeer

Shout-out to Guillermo who sold me a Challenger at a very good price. I recommend both the dealer and this salesman if you're in the market for a new or used car. Friendly staff, great service. Their post-purchase support and service in the garage is just as excellent. Highly recommend this garage for any maintenance…

Chris Ugolini

My wife and I bought a Grand Caravan here and everything went super well, Marc-André and Alain took care of everything in the most friendly and professional manner! Hats off to the team at Trois Diamants Auto! Highly recommended place to purchase a car!

Ugo Ortolano

We went in to get a new car for my partner. We were well received and the gentlemen were nice. The seller and finance officer were friendly and took the time to explain the insurance options to us. Just note that they don't speak english, so be sure to go with someone who speaks french…