2021 GMC Sierra 2500HD SLT
Vehicle Details
SLT
Williston, ND 58801
Is this 2021 GMC Sierra 2500HD SLT a good deal?
OAV verdict: Unscored
Why: Listed at $49,990. OAV has not found enough comparable listings for a reliable market range or verdict. Days on lot: 11 days (market average 64 days).
Market price position
OAV has not assigned a reliable market verdict to this listing yet — the available comparable evidence isn't sufficient to score it.
Red Rock Chevrolet Gmc
Williston, ND
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Request availability and out-the-door price
OAV will route your inquiry to Red Rock Chevrolet Gmc for current availability of this 2021 GMC Sierra 2500HD SLT and an out-the-door price quote (taxes, fees, addons included).
OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.
About This 2021 GMC Sierra 2500HD
Listing updated: Aug 17, 2026Listed by a franchise dealer in Williston, ND · On lot for 11 days · VIN verifiable at NHTSA
This used 2021 GMC Sierra 2500HD SLT is listed at $49,990 by red rock chevrolet gmc in Williston, ND 58801. It has 59,289 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Red. It features a 4WD drivetrain with a 6.6L V8 engine and Automatic transmission.
OAV's independent, evidence-backed Price-to-Market analysis rates this vehicle as Unscored due to insufficient comparable data. OAV has not assigned a reliable comparable market range for this vehicle yet — the available comparable evidence isn't sufficient for a reliable verdict.
This vehicle has been on the lot for 11 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 Williston, ND trucks market analysis. OAV compares vehicles using local and regional price-to-market ranges, days-on-lot, comparable count, and demand signals where available.
How this deal is rated
OAV compares this 2021 GMC Sierra 2500HD against similar vehicles currently available in the local and regional market — same make, model, and year range, using trim where trim data supports it. OAV does not adjust comparables for odometer; on very high-mileage vehicles it withholds a verdict rather than overstate a discount the odometer explains. 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 Williston, ND, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GT49NEY3MF289302 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.
2021 GMC Sierra 2500HD Market in ND
ND Market Listings
21
Average Price
—
Price Range
—
Avg Days on Lot
64
Based on all 21 2019-2023 GMC Sierra 2500HD listings in the ND market. Because OAV has not assigned a reliable price verdict to this listing, it does not state how it compares to this broader average. Similar vehicles spend an average of 64 days on dealer lots in this market.
Similar GMC Sierra 2500HD Listings in ND
8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: SLT — compare trims below)
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