2008 GMC Sierra 2500HD SLT
Vehicle Details
SLT
Onawa, IA 51040
Is this 2008 GMC Sierra 2500HD SLT a good deal?
OAV verdict: Unscored
Why: Listed at $5,950. OAV has not found enough comparable listings for a reliable market range or verdict. Days on lot: 996 days (market average 511 days).
Market price position
Limited comparable data — OAV has not assigned a reliable market verdict to this listing yet.
Comparable vehicles nationally have sold faster than the market baseline, but this listing has been available longer than the cohort’s typical sell-time (about 13–67 days).
What does Demand-Verified mean?
- This listing has been available about 14.9x longer than comparable vehicles typically take to sell (cohort sells in 13–67 days; this one is at 996). Confirm its history, condition, availability, and out-the-door price before proceeding.
Brett Spaulding Sales
Onawa, IA
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 Brett Spaulding Sales for current availability of this 2008 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 2008 GMC Sierra 2500HD
Listing updated: Aug 9, 2026Listed by an independent dealer in Onawa, IA · On lot for 996 days · VIN verifiable at NHTSA
This used 2008 GMC Sierra 2500HD SLT is listed at $5,950 by brett spaulding sales in Onawa, IA 51040. It has 437,465 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Silver. 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. 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 996 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 Onawa, IA 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 2008 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 an independent dealer in Onawa, IA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTHK23608F105252 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.
2008 GMC Sierra 2500HD Market in IA
IA Market Listings
2
Average Price
$14,475
Price Range
$5,950–$22,999
Avg Days on Lot
511
Based on all 2 2006-2010 GMC Sierra 2500HD listings in the IA market, the average asking price is $14,475. 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 IA range from $5,950 to $22,999. Similar vehicles spend an average of 511 days on dealer lots in this market.