Vehicle Details
2018 GMC Sierra 1500
SLT
Twin Falls, ID 83301
Is this 2018 GMC Sierra 1500 SLT a good deal?
OAV verdict: Unscored
Why: Listed at $24,499, comparable market range $21,218–$36,072, based on 6 comparable listings. Days on lot: 65 days (market average 58 days).
Market price position
$24,499 · within market range
- Regional range
- $21,218 – $36,072
- vs. market
- $3,281 above low · $11,573 below high
- Comparable vehicles
- 6
Similar vehicles recently sold in an estimated 14–71 days.
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 Info
Twin Falls, ID
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About This 2018 GMC Sierra 1500
Listing updated: May 23, 2026Listed by an independent dealer in Twin Falls, ID · On lot for 65 days · VIN verifiable at NHTSA
This used 2018 GMC Sierra 1500 SLT is listed at $24,499 by an independent dealer in Twin Falls, ID 83301. It has 136,970 miles on the odometer. The exterior color is White. It features a 4WD drivetrain with a 5.3L 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 6 similar vehicles in the Twin Falls market, the estimated market range is $21,218 to $36,072. The local market range in ID is $21,218 to $21,218.
This vehicle has been on the lot for 65 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 Twin Falls, 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 1500 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 Twin Falls, ID, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTU2NEC0JG145239 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 1500 Market in ID
Comparable Vehicles
212
Average Price
$30,694
Price Range
$15,995–$45,995
Avg Days on Lot
58
Based on 212 comparable 2016-2020 GMC Sierra 1500 listings in ID, the average asking price is $30,694. This listing at $24,499 is $6,195 below average (20% below market). Comparable prices in ID range from $15,995 to $45,995. Similar vehicles spend an average of 58 days on dealer lots in this market.
Similar GMC Sierra 1500 Listings in ID
8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: SLT — compare trims below)
2019 GMC Sierra 1500
SLT
Twin Falls, ID
2020 GMC Sierra 1500
SLT
Blackfoot, ID
2019 GMC Sierra 1500
SLT
Idaho Falls, ID
2018 GMC Sierra 1500
SLT
Meridian, ID
2018 GMC Sierra 1500
SLT
Nampa, ID
2018 GMC Sierra 1500
Base
Boise, ID
2018 GMC Sierra 1500
Base
Nampa, ID
2018 GMC Sierra 1500
Base
Post Falls, ID