Explore New Buick & GMC Vehicles for Sale in Collinsville, OK

At Mark Allen Buick GMC, we're proud to offer a wide selection of new vehicles designed to meet the needs of drivers across Collinsville, Tulsa, and surrounding Oklahoma communities. Whether you're drawn to the refined comfort of a new Buick SUV or the professional-grade power of a new GMC truck, you'll find the perfect model to match your lifestyle and budget right here on our lot.

Our inventory includes popular models like the Buick Enclave, Encore GX, and Envision, as well as the rugged GMC Sierra 1500, Yukon, Terrain, and Acadia. With options ranging from family-ready SUVs to work-ready pickups, we make it easy to find a vehicle that fits your daily demands and long-term goals.  

• Full lineup of new Buick and GMC models in stock  
• Rotating new vehicle specials and limited-time incentives  
• Simple and flexible financing options for every buyer  
• Dedicated team committed to customer satisfaction

Whether you're just starting your search or ready to schedule a test drive, our team is here to help you every step of the way. Explore our new inventory below and let us know how we can assist you.

Frequently Asked Questions

What financing options are available for new vehicles?

We work with a variety of lenders to offer competitive financing rates and flexible terms. Whether you're buying or leasing, our finance team will help you find the best plan for your budget. Get pre-approved online today!

Can I trade in my current vehicle?

Yes! We make it easy to value your trade and apply it toward your new purchase. Our team will provide a fair market estimate based on your vehicle's condition and current market demand.

Do you offer any special promotions on new models?

Absolutely. We frequently offer exclusive discounts, finance incentives, and lease specials on select new Buick and GMC models. Be sure to check our specials page for current offers.

Where is Mark Allen Buick GMC located?

We are located in Collinsville, OK, just a short drive from Tulsa, Owasso, and Claremore. Visit us today to explore our new vehicle lineup in person.