Used Vehicles

Vehicle Specials

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1. Length of contract limited. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 10/2/23. 2. Only on the 5.3L EcoTec3 V8 Engine. For trade assistance, you must show proof of ownership and trade in a 2009 model year or newer vehicle. Not available with lease and some other offers. Take new retail delivery by 10/2/23. 3. Deferred monthly payments for 121 days. Excludes residents of PA and ME. Must finance with GM Financial. Some customers may not qualify. Down payment required at signing, if applicable. Finance charges accrue from date of financing. Not available with lease and some other offers. Take new retail delivery by 10/2/23. Some features shown may have limited, late or no availability. See dealer for feature availability. Available accessories shown.

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1. Length of contract limited. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 10/2/23. 2. MUST BE A CURRENT OWNER OF A 2009 MODEL YEAR OR NEWER BUICK OR GMC VEHICLE OR A CURRENT LESSEE OF A 2018 MODEL YEAR OR NEWER BUICK OR GMC VEHICLE THROUGH GM FINANCIAL FOR AT LEAST 30 DAYS PRIOR TO NEW VEHICLE SALE. Not available with lease and some other offers. Take new retail delivery by 10/2/23. 3. Deferred monthly payments for 121 days. Excludes residents of PA and ME. Must finance with GM Financial. Some customers may not qualify. Down payment required at signing, if applicable. Finance charges accrue from date of financing. Not available with lease and some other offers. Take new retail delivery by 10/2/23.

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*Ad, written estimate, or internet quote for identical tire(s) from a competing tire retailer/installer located within 100 miles of the dealer required during guarantee period for price match. Tire match price must be determined prior to applying a tire manufacturer rebate, if any. At participating dealers only. Offer ends 12/31/2023.

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The History of O'Meara

O'Meara has been serving Thornton, Northglenn and the rest of Colorado since 1913.

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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.

Quick Links to Our Denver New & Used Car Dealerships

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O’Meara Volkswagen

O'Meara Automotive Group

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Our Reviews

Google Sep 23, 2023

Anissa worked with me and ddnt charge me full price on labor even though they didn’t get to do what I needed do to other issues . Thank you

Google Sep 21, 2023

(Translated by Google) Reliable, friendly and very helpful, in general all the staff were very courteous and they also have a very varied inventory of vehicles. (Original) Confiable, amable y muy servicial, en general todo el personal se mostrò muy cortéz además tienen un inventario muy variado de vehìculos.

Google Sep 21, 2023

Thanks to Erik chavez my family had the chance to get a car we wanted to get.

Google Sep 21, 2023

(Translated by Google) Erick Chavez thank you for helping us make our purchase (Original) Erick Chavez gracias por ayudarnos aser nuestra compra

Google Sep 21, 2023

Eric Chavez helped us get our mamalona.

Google Sep 21, 2023

Thanks to Eric Chavez my dad finally got his own truck

Google Sep 19, 2023

When making a expensive purchase it can get very frustrating. But Thanks to my salesman Gilbert and his staff they were fantastic!! Very helpful and understanding during the process. If you need a new vehicle ask for Gilbert he is great!!

Google Sep 19, 2023

Joe was a great salesman to work with. Very friendly and the process was quick. Great to work with.

Google Sep 19, 2023

Friendly and fast! Great experience

Google Sep 19, 2023

Very kind and patient when I was looking for a part I didnt know the name of I showed a picture and helped me so thanks guys!

DealerRater Sep 18, 2023

Great service very nice people. Definitely made me and my grandpa feel comfortable with my purchase.

Google Sep 17, 2023

(Translated by Google) Very happy with the service and being able to get what I want thanks to Kurt for everything (Original) Bien contento con el servicio y por poder obtener lo que quiero gracias a Kurt por todo

Google Sep 16, 2023

Oil change was quick, thank you.

Google Sep 15, 2023

We have gone there many of time and they provide a great quality service in a timely matter for there repair services. We have also bought a used vehicle from them and it has been very reliable for travel as I drive it almost 20 miles a day.

Google Sep 14, 2023

I have to say, they did very well with my oil change...only 30 minutes.

Google Sep 12, 2023

pretty straightforward and easy we knew what we were looking for you had it on the lot we took it home

Google Sep 12, 2023

David did a great job helping us purchase the truck we wanted.

Google Sep 10, 2023

Gilbert was fantastic!!!

Google Sep 9, 2023

Eric and David are awesome to work with! Eric is also handsome and smells delicious 😊

Google Sep 9, 2023

Great service.!

Google Sep 9, 2023

David did a great job. He was very professional and a pleasure to work with.

Google Sep 8, 2023

Had a Great experience at O'Meara GMC. I am in Love with my Sierra Denali. Also Thank You Erik C. For all the help guiding me into my new vehicle and answering all my questions

Google Sep 8, 2023

The customer service was amazing,Logan was very professional and helpful he made sure all our questions were answered and made the process as smooth as possible. I am very grateful Logan helped me with my first vehicle purchase. Definitely recommend Logan and O’meara GMC !

Google Sep 8, 2023

From the minute we got to O'Omeara GMC. Logan was there to meet us and walk us through the process of getting my son's first truck. It was a pleasure working with him!

Google Sep 8, 2023

I came in thinking I would be turned away, but Erik and Gilbert did an awesome job helping me out. Will definitely come back again!!!