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Welcome to our home!

Learn more about Trois Diamants

For several years, our dedicated and expert sales team has been committed to meeting our customers' needs. We invite you to explore our online inventory and to get more information about our new and pre-owned vehicles in Mascouche. You can also schedule a test drive or inquire about our automotive financing options.

About Trois Diamants - If you can't find the vehicle you're looking for, consider using our Auto-Alert service. Just fill out the form, and we will notify you as soon as vehicles matching your preferences arrive! To discuss your options in person, our welcoming sales team is ready to assist you. Simply use the Directions function to find an interactive route to our dealership and our contact information. At Trois Diamants, we look forward to helping you!


Francois Bonin

François Bonin, directeur du concessionnaire Trois-Diamants Chrysler à Mascouche


President With 25 years of experience in the automotive field, on September 11, 2001, I acquired Trois Diamants Autos; it was the realization of a dream! Without overlooking anything, my wife Diane and I have made this car dealership a family business, which our son Alexandre has also joined; Together, we invest a lot of energy in this company. From the first day until today, I personally ensure that your new purchase is a positive experience, from the welcome to taking possession of your new vehicle. Furthermore, as long as you are the owner of your vehicle, I am committed to ensuring your complete satisfaction. If you haven't done so already, I invite you to come and meet me; my door will always be open to you.



Diane Grimard

Image de Diane Grimard, directrice générale du concessionnaire Trois-Diamants Chrysler à Mascouche


General manager of Trois Diamants Chrysler. Always ready to take on new challenges. I left the real estate field for the automotive industry with a Japanese manufacturer. Since 2002 my determination and leadership have allowed me to take on a new challenge here at Trois Diamants Autos. Additionally, my 27 years of experience in the automotive industry is at your service, and know that each of my decisions at Trois Diamants Autos reflects my commitment to always wanting the best for our customers. I thank you for trusting us and for shopping at Trois Diamants Autos.



Trois Diamants Auto, a Chrysler, Jeep, Dodge, Ram & FIAT dealership in Mascouche near highway 640, just minutes from Terrebonne, Repentigny, Bois-des-Filions, Rosemère, Blainville, Laval & St-Eustache.