The 2025 GMC Sierra 2500HD SLT delivers commanding performance and capability in a sophisticated package. This crew cab standard bed boasts a Duramax 6.6L V8 Turbodiesel engine paired with a 10-speed automatic transmission and 4WD, engineered to handle serious work and towing demands. With one owner, minimal mileage, and leather interior, this is a premium truck built for those who demand both power and refinement.

**Key Features:**
- Duramax 6.6L V8 Turbodiesel engine with 220-amp alternator
- Gooseneck/5th wheel prep package with hitch platform
- X31 off-road package with 2-speed active transfer case
- Bose premium 7-speaker audio with SiriusXM 360L trial subscription
- Heated and ventilated leather front seats with power adjusters
- Sunroof with power operation
- HD surround vision camera system with trailer viewing software
- Adaptive cruise control and hill descent control
- Wireless charging and phone projection
- All-weather floor liners and wheel lock set

This exceptional truck combines luxury appointments with off-road capability and professional-grade towing preparation. The Texas SLT Premium Package delivers comprehensive comfort and technology, while the spray-on bedliner and robust safety features make this Sierra 2500HD an investment in capability and confidence. Come experience this distinguished diesel truck in person.

Looking for quality used cars in Austin? At Covert Buick GMC of Austin, every used car, truck, and SUV is carefully inspected before it reaches our lot, so you can shop with added confidence.

We proudly serve drivers throughout Austin, Round Rock, Cedar Park, Georgetown, Leander, Pflugerville, Kyle, Hutto and surround Central Texas communities. Conveniently located at 11750 Research Blvd Suite D, our team makes it easy to explore your options, compare vehicles, and find the right fit for your needs and budget.

Visit us in person, browse our entire used inventory online, or contact us to schedule a test drive. At Covert Buick GMC of Austin, you can expect friendly guidance, quality vehicles, and the Covert Commitment - serving Central Texas with trust and community values since 1909.