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Which 2025 GMC Models Have Diesel Engines?

2025 GMC Sierra 2500HD Stillwater, OK

The GMC lineup offers a variety of models with diesel engines available. When it comes to selecting a vehicle with long-lasting power, excellent fuel economy, and high towing capability, diesel engines stand out as a smart choice. The 2025 GMC lineup continues to offer a range of models equipped with diesel engines, combining reliability with impressive performance. Diesel engines provide superior torque and efficiency, as well as enhanced towing capacity, making them ideal for drivers who need power for both work and play. Whether you're hauling heavy loads or seeking better mileage on long trips, check out the diesel engine options that are available for 2025 GMC models and see why they stand out.

2025 GMC Models Offering Diesel Engines

Several models in the 2025 GMC lineup come equipped with diesel engines, providing consumers with options across different categories. Are you looking for a truck or an SUV with a diesel engine? If you want the versatility of an SUV, check out the 2025 GMC Yukon with its available 3.0L Duramax® Turbo Diesel engine. The 3.0L Duramax® Turbo Diesel engine for the Yukon offers 305 horsepower and 495 lb-ft of torque.

There are numerous GMC trucks with diesel engines to choose from. The iconic 2025 GMC Sierra 1500 offers an available 3.0L Duramax® turbo-diesel engine, delivering a perfect balance of power and efficiency. If you need strong towing capabilities, the Sierra 1500 is capable of pulling large trailers while still maintaining a smooth and quiet ride. The engine produces impressive torque and power, as well as an available maximum towing of 13,200 pounds when the truck gets properly equipped.

Need more power? The GMC Sierra 2500HD and Sierra 3500HD are heavy-duty truck options with an available diesel engine. The 6.6L Duramax® turbo-diesel V8 engine that’s offered produces an astounding 975 lb.-ft. of torque and generous capability with 470 horsepower. These GMC Sierra HD trucks are perfect for business owners or anyone who needs to move large loads regularly.

Buy Your 2025 GMC with a Diesel Engine in Stillwater, OK Today

If you're looking to experience the impressive performance of a diesel-powered vehicle, visiting our GMC dealership in Stillwater, OK is the first step. Our team is ready to help you find the perfect 2025 GMC model with a diesel engine that fits your needs. Whether you're interested in a new Yukon or new Sierra 1500, or you want to go with a powerful Sierra HD model from the series, we offer competitive pricing and financing options. Stop by Wilson GMC Stillwater today to test drive your next diesel-powered GMC and discover how its performance can transform your driving experience.

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GMC Wiper Blades: A Small Part with an Important Job

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2026 GMC Yukon

2026 GMC Yukon: Space, Comfort & Family

Full-size SUVs can help solve space problems, and the 2026 GMC Yukon gives Stillwater, OK, families two ways to do it. The Yukon measures 210.1 inches long and offers up to 122.8 cu. ft. of cargo capacity. Yukon XL stretches further to be approximately 225 inches and increases maximum cargo room to 144.5 cu. ft. Both can seat up to 8 passengers depending on configuration. But the important difference isn't maximum capacity with the seats folded. It's what happens when the family fills all 3 rows and still expects the luggage to come along. Behind its third row, Yukon provides 25.5 cu. ft. of cargo space. Yukon XL has 41.5 cu. ft. That's an impressive amount of additional cubic feet before folding a single passenger seat, which is precisely where the longer body earns its keep. Fold the third row and capacity increases from 72.5 to 93.6 cu. ft.; fold the second as well and the comparison becomes 122.8 versus 144.5 cu. ft. Bigger outside, yes, but importantly, bigger in places families can use. The 5.3L V8 produces 355 hp and 383 lbs. ft. of torque and provides the traditional V8 starting point. The available 6.2L V8 raises output to 420 hp and 460 lbs. ft. of torque, making it the horsepower leader. Then there's the 3.0L Duramax® Turbo-Diesel with 305 hp and 495 lbs. ft. of torque. All pair with a 10-speed automatic transmission. Families comparing Yukon powertrains should think about towing and vehicle use before simply choosing the largest horsepower number. Yukon Elevation includes heated front and second-row outboard seating. Higher trims can add heated and ventilated front seats, upgraded leather appointments, and additional power-adjustable equipment. Available Magnetic Ride Control and Air Ride Adaptive Suspension add another layer to the experience by changing how this large SUV responds to varying road conditions. On something this substantial, suspension technology can be more meaningful than another decorative cabin feature. A large diagonal infotainment display dominates the dashboard for your infotainment needs. A 15-inch Head-Up Display and rear-seat media system are also available. Available Super Cruise® adds hands-free driver assistance on compatible roads. Properly configured Yukon models can tow up to 8,400 lbs., giving owners room for substantial recreational trailers. A maximum tow rating tells you what a properly configured SUV can handle; trailering technology helps with the business of hitching, maneuvering, and driving with that load attached. Choose a New Yukon in Stillwater, OK Today Standard Yukon is a great pick for families wanting 3 rows and substantial cargo capacity without the XL additional length. Yukon XL becomes compelling when the third row stays occupied and cargo still needs somewhere to go. Our GMC dealership in Stillwater, OK, can help shoppers compare new Yukon and Yukon XL inventory, available trims, engines, financing options, and trade-in opportunities. Put your family in both, look behind the third row, and see which size is right for you. Schedule a test drive online today and feel the space firsthand.

GMC Truck Stillwater, OK

GMC Truck Maintenance Checklist: Be Ready for Your Next Road Trip

Planning a road trip is exciting, but before you take on the road, it's important to make sure that your GMC truck is for the trip. A solid GMC truck maintenance routine before you leave can mean the difference between a smooth adventure and an unexpected roadside stop. If you're driving to someplace close to Stillwater, Oklahoma, or heading cross-country, this checklist will make sure your truck is in top shape before you go. Check Your Fluids First One of the important steps in any truck maintenance routine is checking your fluid levels. Before hitting the road, look at your engine oil, coolant, brake fluid, power steering fluid, and windshield washer fluid. Low or dirty oil can cause serious engine wear over long distances. If your GMC truck is due for an oil change, it's best to get that done before your trip rather than during it. Inspect Your Tires Carefully Check the tread depth on all four tires and look for any visible damage like cuts, bulges, or uneven wear. Don't forget to check the tire pressure, including the spare. Underinflated tires affect fuel efficiency and handling, which matters a lot on a long haul. Test Your Battery and Electrical System Have your battery tested if it's more than three years old. Also check that all exterior lights are working, including headlights, taillights, brake lights, and turn signals. Replacing a bulb before your trip is a simple fix that keeps you safe on the road. Review Your Brakes If you've noticed any squealing, grinding, or a soft brake pedal on your GMC truck, have a technician look at the pads and rotors before you leave. Even if things feel fine, a quick inspection as part of your regular truck maintenance is always worth it. Pack an Emergency Kit No maintenance checklist is complete without preparing for the unexpected. Road conditions can change quickly. Keep a basic emergency kit in your truck that includes jumper cables, a flashlight, a first aid kit, a reflective triangle or flares, and a tire inflation kit. Visit Wilson GMC Stillwater for a Pre-Trip Inspection The team at Wilson GMC Stillwater is ready to help. Scheduling a service visit before your road trip can get done online, and you can have peace of mind visiting our GMC dealership for certified service.