At Mark Allen Buick GMC in Collinsville, OK, we're excited to showcase the impressive 2025 GMC Sierra 3500 HD. This heavy-duty pickup delivers uncompromising performance, whether you're hauling equipment in Owasso or towing a trailer through Broken Arrow. With two potent engine options, including a 6.6-liter V8 turbodiesel that churns out 470 horsepower and 975 pound-feet of torque, the Sierra 3500 HD is ready to tackle even the toughest jobs.
The 2025 Sierra 3500 HD is available in a range of trims and configurations, from the well-appointed SLE to the luxurious Denali Ultimate. Inside, you'll find premium materials, advanced technology, and available features like heated and ventilated front seats for ultimate comfort on your drives through Claremore. And with the innovative MultiPro Tailgate, loading and unloading cargo is easier than ever.
Experience the power and capability of the 2025 GMC Sierra 3500 HD for yourself by browsing our new GMC inventory at Mark Allen Buick GMC. Our team is ready to help you find the perfect heavy-duty truck to elevate your workday in Bartlesville. Visit us today to take the Sierra 3500 HD for a test drive and discover all this impressive pickup has to offer.