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The GMC Sierra HD combines the tried-and-true durability and capability of GM’s truck line with the everyday comforts that customers expect in a professional-grade automobile. There’s no better representation of that mission than the Denali. GMC has long been known as the premium truck builder, and the 2025 Sierra 2500 HD Denali is bursting at the seams with premium content and high-tech wizardry, all with an old-fashioned V8 under the hood.
The Ram HD lineup was completely overhauled for 2025, now offering more capability along with a more generous interior. With Cummins diesel power, the Ram is here to work, and its high-quality interior often punches above its price point without compromising on capability.
The Ford F-Series is the company’s bread-and-butter truck, and while the F-150 is the most popular among them, the Super Duty lineup goes much deeper than everyday work trucks. Like GMC, Ford has been pushing the notion of premium trucks quite hard in recent years, and with the likes of Platinum and King Ranch, there is no shortage of luxury in the F-250 lineup.
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| 3/4 Ton Trucks Diesel | GMC Sierra 2500 HD | RAM 2500 HD | Ford F-250 Super Duty |
|---|---|---|---|
| Trims | 7 | 7 | 5 |
| Colors | 6 | 7 | 8 |
| Engine | 6.6-liter Duramax Diesel | 6.7-liter Cummins Diesel | 6.7-liter Power Stroke 6.7-liter High Output Power Stroke |
| Cylinders | 8 | 6 | 8 |
| Horsepower | 470 | 430 | 6.7L – 475 6.7L H.O. – 500 |
| Torque | 975 | 1,075 | 6.7L- 1,050 6.7L H.O. – 1,200 |
| Transmission | 10-spd auto | 8-spd auto | 10-spd auto |
| DriveTrain | 2WD 4WD |
2WD 4WD |
2WD 4WD |
| Towing Capacity | 18,700 lbs | 20,000 lbs | 23,000 lbs |
| Payload Capacity | 3,850 lbs | 4,420 lbs | 4,048 lbs |
| Infotainment | Standard – 7″ Optional – 13.4″ |
Standard – 8.4″ Optional – 12″ Optional – 14.5″ |
Standard – 8″ Optional – 12″ |
| Front Headroom | Single Cab – 43.11 Dbl/Crew Cab – 43.03 |
Regular Cab – 39.8 Crew/Mega Cab – 40.9 |
40.8 |
| Front Legroom | 44.53 | 40.9 | 66.7 |
| Rear Headroom | Double Cab – 39.88 Crew Cab – 40.12 |
Crew Cab – 39.8 Mega Cab – 40.3 |
SuperCab – 40.3 Crew Cab – 40.4 |
| Rear Legroom | Double Cab – 35.24 Crew Cab – 43.4 |
Crew Cab – 40.2 Mega Cab – 43.1 |
SuperCab – 33.5 Crew Cab – 43.6 |
| Base Price | $58,485 | $63,875 | $57,890 |
At Ewing Buick GMC, you will have an automotive experience unlike any other. You can find new GMC inventory, including the Terrain, Acadia, Yukon, Canyon, Sierra EV, and an unmatched collection of used car, truck, van, SUV, and crossover inventory at our dealership near you.
Are you interested in leasing or financing your 2025 GMC Sierra 2500 Diesel? The Finance Department at Ewing Buick GMC can help you find the right lease offer or finance solution that fits your budget. We cultivate relationships with many banks, lenders, and other financial organizations to provide you with great options in purchasing your new vehicle. In addition to the comprehensive factory warranty that comes with your new GMC Sierra 2500 Diesel, we offer extended warranty and protection programs to safeguard your investment.
Get the best deals and specials available to you on the GMC Sierra 2500 Diesel. Our knowledgeable sales staff wants to help you find the perfect fit in a new GMC or used car. We can’t wait to welcome you to the Ewing Buick GMC family and help you find your new car or used vehicle. Your support and customer service doesn’t stop after you sign your deal.
The expert Service Department at our GMC dealership near you is always ready to help with any repairs or maintenance you might need to keep your vehicle running perfectly. Our Express Service Lane will get you back on the road quickly when you need basic maintenance like an oil change or tire rotation.
Would you like to make your new car all your own with personalized upgrades? Our well-stocked Parts Department has all of the GMC authentic parts and accessories you need for the best customization of your vehicle. Make your car, truck, or SUV uniquely yours to fit perfectly in your lifestyle.
We are eager to help you on your car buying and vehicle ownership journey. Visit us today at Ewing Buick GMC!
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