2026 GMC Sierra 2500HD

Listed by a franchise dealer in Boulder, CO · On lot for 19 days · VIN verifiable at NHTSA

This new 2026 GMC Sierra 2500HD Denali is listed at $76,136 by mike maroone gmc in Boulder, CO 80301. It has 5 miles on the odometer. 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 97 similar vehicles in the Boulder market, the estimated market range is $78,445 to $105,140. The local market range in CO is $86,860 to $87,279.

This vehicle has been on the lot for 19 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 Boulder, CO trucks market analysis. OAV compares vehicles using local and regional price-to-market ranges, days-on-lot, comparable count, and demand signals where available.

• View the full Boulder, CO trucks market →
• All vehicles in Boulder, CO →
• All vehicles in CO →
• All vehicles from this dealer →

How this deal is rated

OAV compares this 2026 GMC Sierra 2500HD against similar vehicles currently available in the local and regional market — same make, model, and year range, 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 Boulder, CO, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GT4URE73TF326425 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 refreshed daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.

2026 GMC Sierra 2500HD Market in CO

Based on 1,208 comparable 2024-2028 GMC Sierra 2500HD listings in CO, the average asking price is $79,494. This listing at $76,136 is $3,358 below average (4% below market). Comparable prices in CO range from $23,480 to $111,555. Similar vehicles spend an average of 77 days on dealer lots in this market.

Similar GMC Sierra 2500HD Listings in CO

8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: Denali — compare trims below)