Vehicle Details
2021 GMC Sierra 2500HD
SLT
Dalton Gardens, ID 83815
Is this 2021 GMC Sierra 2500HD SLT a good deal?
OAV verdict: Great Deal
Why: Listed at $37,895, comparable market range $57,998–$61,948, based on 10 comparable listings. Days on lot: 49 days (market average 56 days).
Market price position
$37,895 · $20,103 below market low
- Regional range
- $57,998 – $61,948
- vs. market low
- — $20,103 (35% below)
- Comparable vehicles
- 10
Similar vehicles recently sold in an estimated 20–91 days.
- This listing is priced about 35% below the lowest comparable vehicle in the regional market. Discounts at this scale frequently indicate accident damage, branded title (salvage or rebuilt), or undisclosed mechanical issues. Strongly recommend pulling a vehicle history report and inspecting listing photos carefully before inquiring.
Market Breakdown
Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges refresh daily.
Dealer Direct
Dalton Gardens, ID
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 Dealer Direct 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: Jun 19, 2026Listed by an independent dealer in Dalton Gardens, ID · On lot for 49 days · VIN verifiable at NHTSA
This used 2021 GMC Sierra 2500HD SLT is listed at $37,895 by dealer direct in Dalton Gardens, ID 83815. It has 125,824 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 10 similar vehicles in the Dalton Gardens market, the estimated market range is $57,998 to $61,948.
This vehicle has been on the lot for 49 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 Dalton Gardens, ID 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, 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 an independent dealer in Dalton Gardens, ID, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GT19NE76MF290969 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.
2021 GMC Sierra 2500HD Market in ID
Comparable Vehicles
111
Average Price
$53,967
Price Range
$25,000–$67,198
Avg Days on Lot
56
Based on 111 comparable 2019-2023 GMC Sierra 2500HD listings in ID, the average asking price is $53,967. This listing at $37,895 is $16,072 below average (30% below market). Comparable prices in ID range from $25,000 to $67,198. Similar vehicles spend an average of 56 days on dealer lots in this market.
Similar GMC Sierra 2500HD Listings in ID
8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: SLT — compare trims below)
2019 GMC Sierra 2500HD
SLT
Pocatello, ID
2020 GMC Sierra 2500HD
SLT
Blackfoot, ID
2020 GMC Sierra 2500HD
SLT
Idaho Falls, ID
2020 GMC Sierra 2500HD
SLT
Rigby, ID
2020 GMC Sierra 2500HD
SLT
Post Falls, ID
2023 GMC Sierra 2500HD
SLT
Lewiston, ID
2020 GMC Sierra 2500HD
SLT
Idaho Falls, ID
2021 GMC Sierra 2500HD
Base
Twin Falls, ID