Vehicle Details
2018 GMC Sierra 3500HD
SLT
Nampa, ID 83687
Is this 2018 GMC Sierra 3500HD SLT a good deal?
OAV verdict: Unscored
Why: Listed at $28,992, comparable market range $28,992–$28,992. Days on lot: 57 days (market average 59 days).
Market price position
$28,992 · only listing at this price
- Regional range
- $28,992 (0 listings)
- vs. market
- Exact match — no spread
- Comparable vehicles
- 0
Similar vehicles recently sold in an estimated 13–46 days.
Kendall Kia
Nampa, 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 Kendall Kia for current availability of this 2018 GMC Sierra 3500HD 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 2018 GMC Sierra 3500HD
Listing updated: Jul 6, 2026Listed by a franchise dealer in Nampa, ID · On lot for 57 days · VIN verifiable at NHTSA
This used 2018 GMC Sierra 3500HD SLT is listed at $28,992 by kendall kia in Nampa, ID 83687. It has 203,880 miles on the odometer. The exterior color is White. 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 similar vehicles in the Nampa market, the estimated market range is $28,992 to $28,992.
This vehicle has been on the lot for 57 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 Nampa, 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 2018 GMC Sierra 3500HD 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 a franchise dealer in Nampa, ID, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GT42XEY9JF185585 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.
2018 GMC Sierra 3500HD Market in ID
Comparable Vehicles
43
Average Price
$42,420
Price Range
$28,399–$60,505
Avg Days on Lot
59
Based on 43 comparable 2016-2020 GMC Sierra 3500HD listings in ID, the average asking price is $42,420. This listing at $28,992 is $13,428 below average (32% below market). Comparable prices in ID range from $28,399 to $60,505. Similar vehicles spend an average of 59 days on dealer lots in this market.