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At Mark Allen Buick GMC in Collinsville, OK, we're excited to showcase the impressive 2025 GMC Sierra 3500 HD. 

The 2025 GMC HUMMER EV SUV boasts an impressive array of utility features that make it incredibly capable both on and off the road. 

When it comes time to get a new vehicle in the Collinsville, OK area, one of the biggest decisions is whether to finance or lease. 

Looking for a powerful, capable work truck in the Tulsa area? The 2025 GMC Sierra 3500 HD Chassis Cab is ready to take on your toughest jobs. 

The 2024 GMC Sierra 3500 Denali HD comes standard with advanced driver assist features like HD Surround Vision to give you a clear overhead view around the truck. 

The 2024 Buick Encore GX is a subcompact SUV with impressive utility and capability. 

The 2024 GMC HUMMER electric vehicle (EV) Pickup comes standard with the Infinity Roof featuring removable transparent Sky Panels, allowing you to enjoy open-air driving. 

The 2024 Buick Envista compact SUV offers a refined and well-equipped interior across its three available trims. 

If you're looking for convenient and easy-to-use technology, the 2024 GMC Acadia at Mark Allen Buick GMC was made with you in mind. 

If you're in the market for a new compact SUV that delivers outsized performance and reliability, the Buick Envision will definitely appeal to you. You're invited to stop by our local showroom today and take a 2024 Buick Envision for a test drive.