


O'Meara Advantage
2 Year Powertrain Warranty
1 Year Complimentary Oil Changes
1 Year Roadside Assistance


Value Trade-In

Welcome to O'Meara GMC - Denver's Best
Our dealership is a great solution for any auto buyer, looking for a New GMC or Used Vehicles, Cars, Trucks, and SUVs. All you have to do is drop by our Thornton GMC showroom and pick what suits your needs the best, and our qualified and friendly staff will take care of the rest. We look after all your automotive needs, right from New and Used Vehicle Sales, Auto Service and Repair, GM Auto Parts, accessories, tires, as well as Automotive Financing options. Our GMC dealership is very conveniently located in Thornton near Westminster, CO. So, what are you waiting for? All Denver area GMC drivers can make the short drive to our dealership today in Thornton CO!
GMC AUTO SERVICE AND PARTS CENTER IN THORNTON
We offer parts, service, and auto body shop at O'Meara GMC for your convenience. Our GM-certified technicians provide superior maintenance for your GM vehicles and all other makes and models and stand by their work. Thornton drivers will be glad to learn that keeping their automobile running well shouldn't be complicated or difficult. This is why our Certified GM service and auto parts center is a perfect option for Denver GMC drivers looking for the best in vehicle maintenance and repairs.
We look forward to meeting you and serving you in person at O’Meara GMC , the employees at look forward to your visit at our dealership. Give us a call or use our step by step Driving Directions for driving instructions from Denver, Thornton, Aurora, Golden, Littleton, Longmont, Henderson, Lone Tree, Colorado Springs, Boulder, Brighton, Pueblo, Loveland, and more.
Our Reviews
Awesome customer service
Great experience overall! Made a usually long process go rather quickly. Tommy, Gray, and Jason were fantastic! Very happy to have a new to me car, and at a fair deal.
Our salesman, Tommy was incredibly helpful and patient. He definitely went above and beyond for us.
Eric is wonderful to work with, very responsive.
Great service with no pressure
I have been having my truck serviced there for several years. Would recommend them to anyone.
Great service would recommend to anyone looking for a vehicle. No pressure to buy
Treated us with respect
I've taken 2 of my vehicles for service on 3 occasions and was extremely satisfied with the service. Good communication throughout. Came here after wasted money and time at another dealership and haven't looked back.
Got me in and out quick.
Wonderful, RELAXED environment, with a knowledgeable and transparent staff! Great experience! Ask for Gilbert or Mike! Talk about a friendly, honest, and car-passionate team! I knew my (senior) mother was in good hands, and not being taken advantage of. Truly trustworthy. A+++
Omg the best experience ever buying a car. I went in to look at a used vehicle and Michael and Jason made me an offer on a new 2023 Buick AWD Encore select I couldn’t resist. I have been looking since October for a used Buick Encore GX AWD. This is the first new vehicle I have ever owned my forever vehicle. Thank you so much 😘
Friendly staff and service was a value
Great service! Eric was great to work with. Timely service and easy to schedule an appointment.
When needing services for my vehicle Annissa usually helped me, she was always responsive, respectful, and communicated very well on the time my vehicle spent there. She was always on top of everything and for me that was everything!
Eric was great! Helped me with some questions and referred me to others there that knew more. I'm very happy with Omera!
Mr Reyes was great, work done was great. Parts delivery is an issue, if you order a part, a small electrical box that is stocked locally in denver I would think you would be able to get it the next day. Especially with an impending snowstorm instead of getting the part 2 days later. I don’t think this is an O’Meara GMC fault but an GMC/GM parts warehouse delivery issue GM can do better
always happy to bring my trucks to Omeara GMC. Eric is always informative and helpful.
Outstanding, courteous service. We traded in our old pick up on a newer one. We got a good fair price on the trade and a great deal on the new pickup. Fair price, great service and friendly. We will be back.
Eric was excellent and we so appreciated his help and support! We were stranded after someone tried to steal our Denali…and did some significant damage on Christmas Day. We needed to get home and Eric got it done! Thank you!
Had a great experience here! Tommie was super helpful and fun to talk to. Made sure everything was good. Gray in finance was fun to work with and made sure I knew everything I needed to know. Would recommend
As soon as we talked in Kurt Valentin helped us with the vehicle we were looking for. When it came time to finance the vehicle Keith Yeanoplos had things handled in a very efficiently. Jason Crouse also helped get the vehicle ready so by the time we signed all the paperwork we could drive away, less than 3 hours, door in to door out.
great service. worked really hard to get me a fair deal. great trade in value
Eric in the service dept is wonderful and makes sure service is done properly
They did a good job .