2025 GMC Sierra 2500HD Denali Ultimate

Listed by a franchise dealer in San Marcos, TX · On lot for 16 days · VIN verifiable at NHTSA

This used 2025 GMC Sierra 2500HD Denali Ultimate is listed at $74,863 by san marcos chrysler dodge jeep ram in San Marcos, TX 78666. It has 43,532 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Black. It features a 4WD drivetrain with a 6.6L V8 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as a Great Deal — priced below market value. Based on 25 comparable listings matched to this vehicle, the estimated market range is $76,991 to $89,995. These comparisons match year, make, and model and may currently span trims and configurations (trim-level matching is rolling out).

This vehicle has been on the lot for 16 days.

Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477).

Market context

This listing is part of OAV's broader San Marcos, TX trucks market analysis. OAV compares vehicles using local and regional price-to-market ranges, days-on-lot, comparable count, and demand signals where available.

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How this deal is rated

OAV compares this 2025 GMC Sierra 2500HD against similar vehicles currently available in the local and regional market — same make, model, and year range (currently across available trims and configurations; trim-level matching is rolling out), filtered for comparable mileage. Based on where this listing falls in that comparable set, it is rated:

• Great Deal — priced below the typical range for comparable vehicles.
• Fair Price — priced within the expected range for comparable vehicles.
• Overpriced — priced above the typical range for comparable vehicles.

Listings show OAV's PTM-derived deal quality and live market context. OAV-claimed dealers manage their listing profile and route buyer inquiries directly. Paid OAV partners surface additional verification signals.

How this listing is verified

This vehicle listing was aggregated from a franchise dealer in San Marcos, TX, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GT4UXEY7SF221429 can be independently verified via the U.S. Department of Transportation's NHTSA VIN decoder, and safety recalls at NHTSA's recall database.

Vehicle attributes (year, make, model, trim, mileage, location) are standardized using OAV's patented methodology (U.S. Patent No. 12,236,477), which normalizes naming conventions and deduplicates cross-listed inventory across the dealership network. Listing data is processed daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.

2025 GMC Sierra 2500HD Market in TX

Based on all 4,853 2023-2027 GMC Sierra 2500HD listings in the TX market, the average asking price is $81,223. This listing at $74,863 is $6,360 below the broader TX average (8% below the TX average). This is a wider, all-trim comparison across TX; OAV's price verdict above uses the closer comparable set. Comparable prices in TX range from $29,862 to $133,449. Similar vehicles spend an average of 67 days on dealer lots in this market.

Similar GMC Sierra 2500HD Listings in TX

8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: Denali Ultimate — compare trims below)