Welcome to DeMarois Automotive
DeMarois is your hometown car dealership. Our reputation is built on customer trust, and our dedication to making sure your experience with us is not only comfortable but satisfying as well. Located along 1-90 at 3115 W Broadway, our dealership is an excellent place to check new and used vehicle inventory. So what are you waiting for?
Certified Technicians Ready to Service
Whether you bought your car from DeMarois Automotive or not, we’d be happy to service your vehicle. Our trained technicians know the ins and outs of every brand.
Our dealership is here to make the car buying process easy.
I receive excellent service each time I visit this dealership. I have also purchased many cars and trucks and am totally satisfied with the interactions I have had with the demarois staff.
Well maintained, competent staff, took time needed. Only dealer within 150 miles of us but it works
Best purchase experience I’ve had in over 5 decades of buying numerous vehicles, including Jeeps, Dodge RAMs, Corvettes, Porsche, Land Rovers, and Mercedes. Friendly, helpful, knowledgeable salesman. Lew did everything promised and had purchase paperwork ready when we showed up to complete purchase. If I were ever to buy another Mercedes, I would definitely go to DeMarois.
I was traveling and had transmission problems. they made an appointment for me the next day. I got stuck in traffic when going there and was 40 minutes late. They still got me in, fixed my issue at a reasonable price, and got me back on the road. Thanks Demoris GMC service
Friendly, competent and professional Thanks again for your help and repair to our new motor home
I received the initial DEF notification of DEF level at 30% while traveling between Sundance WY and Hardin MT. While in Hardin, I purchased a 2.5 gal. container of API certified DEF and added it to the truck prior to departure for Bozeman MT. The DEF level did not reset during the trip and continued to count down. I made contact with a knowledgeable friend who advised me to go to a dealer for investigation. My friend also said that it could take a number of start-run- off cycles to reset. I went grocery and pet food shopping in Bozeman (4 cycles in ...
Friendly staff, very professional, excellent warranty work on your vehicle. Would definitely go back for work on my vehicle.
Always professional, courteous, and expedient. I wouldn’t go anywhere else for my car needs.
Wonderful service we always tell all our friends to go to Lou at DeMarois best in the business. The Bells
Very pleasant folks. Straightforward and zero pressure or salesman tricks and gimmicks. I was on my way with my car in record time.