Vehicle Details
2018 GMC Sierra 3500HD
SLT
Missoula, MT 59801
Is this 2018 GMC Sierra 3500HD SLT a good deal?
OAV verdict: Unscored
Why: Listed at $49,995, comparable market range $49,995–$49,995. Days on lot: 4 days (market average 47 days).
Market price position
$49,995 · only listing at this price
- Regional range
- $49,995 (0 listings)
- vs. market
- Exact match — no spread
- Comparable vehicles
- 0
Similar vehicles recently sold in an estimated 13–46 days.
Five Valley Auto Sales Llc
Missoula, MT
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 Five Valley Auto Sales Llc 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 10, 2026Listed by an independent dealer in Missoula, MT · On lot for 4 days · VIN verifiable at NHTSA
This used 2018 GMC Sierra 3500HD SLT is listed at $49,995 by five valley auto sales llc in Missoula, MT 59801. It has 58,927 miles on the odometer. The exterior color is Black. 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 Missoula market, the estimated market range is $49,995 to $49,995.
This vehicle has been on the lot for 4 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 Missoula, MT 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 an independent dealer in Missoula, MT, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GT42XCY2JF170042 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 MT
Comparable Vehicles
24
Average Price
$44,978
Price Range
$22,500–$87,000
Avg Days on Lot
47
Based on 24 comparable 2016-2020 GMC Sierra 3500HD listings in MT, the average asking price is $44,978. This listing at $49,995 is $5,017 above average (11% above market). Comparable prices in MT range from $22,500 to $87,000. Similar vehicles spend an average of 47 days on dealer lots in this market.
Similar GMC Sierra 3500HD Listings in MT
2 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: SLT — compare trims below)