2021 GMC Sierra 2500HD AT4
Vehicle Details
AT4
Lamesa, TX 79331
Is this 2021 GMC Sierra 2500HD AT4 a good deal?
OAV verdict: Unscored
Why: Listed at $50,156. OAV has not found enough comparable listings for a reliable market range or verdict. Days on lot: 24 days (market average 109 days).
Market price position
Limited comparable data — OAV has not assigned a reliable market verdict to this listing yet.
Similar vehicles recently sold in an estimated 9–50 days.
What does Demand-Verified mean?
Market Breakdown
Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges are rebuilt from the market snapshot shown above.
Mitch Hall Gmc
Lamesa, TX
OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.
Request availability and out-the-door price
OAV will route your inquiry to Mitch Hall Gmc for current availability of this 2021 GMC Sierra 2500HD AT4 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: Jul 31, 2026Listed by a franchise dealer in Lamesa, TX · On lot for 24 days · VIN verifiable at NHTSA
This used 2021 GMC Sierra 2500HD AT4 is listed at $50,156 by mitch hall gmc in Lamesa, TX 79331. It has 95,454 miles on the odometer (dealer-reported, not independently verified by OAV). 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 Unscored due to insufficient comparable data. OAV has not assigned a reliable comparable market range for this vehicle yet — the comparable set is too limited.
This vehicle has been on the lot for 24 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 Lamesa, 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.
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 (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 Lamesa, TX, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GT19PEY4MF110599 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 TX
TX Market Listings
154
Average Price
$45,629
Price Range
$15,999–$87,400
Avg Days on Lot
109
Based on all 154 2019-2023 GMC Sierra 2500HD listings in the TX market, the average asking price is $45,629. Because OAV has not assigned a reliable price verdict to this listing, it does not state how it compares to this broader average. Comparable prices in TX range from $15,999 to $87,400. Similar vehicles spend an average of 109 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: AT4 — compare trims below)
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2019 GMC Sierra 2500HD
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