
Why choose us?
O'Meara GMC is a fourth-generation, Colorado family-owned dealership that prides itself on treating its customers like family. We prioritize our customers and strive to exceed their expectations. Our team understands that purchasing a vehicle is a significant decision, and we are here to help you every step of the way.
Welcome to O’Meara GMC in Thornton, CO
O'Meara GMC offers the complete line of GMC trucks and SUVs for our friends and neighbors here in Colorado. If you're in the market for a full-size pickup, take a look at our current selection of new GMC Sierra 1500 trucks. For anyone who's shopping for a mid-size pickup, we offer the GMC Canyon. We also have a complete array of GMC SUVs including the Acadia mid-size model, the GMC Yukon full-size SUV and the GMC Terrain compact SUV. Here's a closer look at our history and our services at O'Meara GMC in Thornton, CO.

Expert GM service to help keep you rolling

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O'Meara GMC
2000 West 104th Avenue
Thornton, CO 80234
- Sales: (720) 277-9939