2012 GMC Sierra 2500HD SLT
Vehicle Details
SLT
Spearfish, SD 57783
Is this 2012 GMC Sierra 2500HD SLT a good deal?
OAV verdict: Unscored
Why: Listed at $29,998, comparable market range $29,998–$29,998. Days on lot: 134 days (market average 69 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 10–49 days.
What does Demand-Verified mean?
- This listing has been on market about 2.7x longer than typical for similar vehicles (cohort sells in 10–49 days; this one is at 134). Long days-on-lot on a fast-turn cohort can signal title concerns, mechanical issues, or pricing the dealer won't actually honor. Recommend a vehicle history report before spending more time.
Fast Lane Auto Sales
Spearfish, SD
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 Fast Lane Auto Sales for current availability of this 2012 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 2012 GMC Sierra 2500HD
Listing updated: Jul 31, 2026Listed by an independent dealer in Spearfish, SD · On lot for 134 days · VIN verifiable at NHTSA
This used 2012 GMC Sierra 2500HD SLT is listed at $29,998 by fast lane auto sales in Spearfish, SD 57783. It has 112,772 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Red. It features a 4WD drivetrain with a 6.0L V8 engine and Automatic transmission.
OAV's AI-powered Price-to-Market analysis rates this vehicle as Unscored due to insufficient comparable data. Based on available comparable listings matched to this vehicle for its price verdict, the estimated market range is $29,998 to $29,998.
This vehicle has been on the lot for 134 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 Spearfish, SD 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 2012 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 Spearfish, SD, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GT121C82CF244191 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.
2012 GMC Sierra 2500HD Market in SD
SD Market Listings
2
Average Price
$31,997
Price Range
$29,998–$33,995
Avg Days on Lot
69
Based on all 2 2010-2014 GMC Sierra 2500HD listings in the SD market, the average asking price is $31,997. This listing at $29,998 is $1,999 below the broader SD average (6% below the SD average). This is a wider, all-trim comparison across SD; OAV's price verdict above uses the closer comparable set. Comparable prices in SD range from $29,998 to $33,995. Similar vehicles spend an average of 69 days on dealer lots in this market.
Similar GMC Sierra 2500HD Listings in SD
1 similar listing shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: SLT — compare trims below)