2020 GMC Sierra 2500HD

Listed by a franchise dealer in Castle Rock, CO · On lot for 67 days · VIN verifiable at NHTSA

This used 2020 GMC Sierra 2500HD AT4 is listed at $38,753 by castle rock chrysler dodge jeep ram in Castle Rock, CO 80104. It has 134,979 miles on the odometer. The exterior color is White. 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 16 similar vehicles in the Castle Rock market, the estimated market range is $39,598 to $63,999.

This vehicle has been on the lot for 67 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 Castle Rock, 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 Castle Rock, CO trucks market →
• All vehicles in Castle Rock, CO →
• All vehicles in CO →
• All vehicles from this dealer →

How this deal is rated

OAV compares this 2020 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 Castle Rock, CO, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GT49PE72LF105579 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.

2020 GMC Sierra 2500HD Market in CO

Based on 136 comparable 2018-2022 GMC Sierra 2500HD listings in CO, the average asking price is $46,418. This listing at $38,753 is $7,665 below average (17% below market). Comparable prices in CO range from $9,300 to $65,299. Similar vehicles spend an average of 55 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: AT4 — compare trims below)