2018 GMC Sierra 1500 SLT
Vehicle Details
SLT
Ocean Springs, MS 39564
Is this 2018 GMC Sierra 1500 SLT a good deal?
OAV verdict: Fair Price
Why: Listed at $25,995, comparable market range $14,950–$30,419, based on 17 comparable listings. Days on lot: 11 days (market average 100 days).
Market price position
$25,995 · within market range
- Comparable range
- $14,950 – $30,419
- vs. market
- $11,045 above low · $4,424 below high
- Comparable vehicles
- 17
Market Retail Price (MRP™)
$22,685This vehicle $25,995 · $3,310 (15%) above MRP
MRP™ is the midpoint of the comparable market range — the representative price the market is asking for similar vehicles. How MRP works.
True Retail Value (TRV™)
$25,378This vehicle $25,995 · $617 (2%) above TRV
TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-08-09) — an estimate, not an appraisal. How TRV works.
Comparable vehicles nationally recently sold in an estimated 11–42 days, and this listing is still within that typical selling window.
What does Demand-Verified mean?
Market Breakdown
Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges are rebuilt from the market snapshot shown above.
Gulf Hills Auto Group
Ocean Springs, MS
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 Gulf Hills Auto Group for current availability of this 2018 GMC Sierra 1500 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 1500
Listing updated: Aug 9, 2026Listed by an independent dealer in Ocean Springs, MS · On lot for 11 days · VIN verifiable at NHTSA
This used 2018 GMC Sierra 1500 SLT is listed at $25,995 by gulf hills auto group in Ocean Springs, MS 39564. It has 129,189 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Black. It features a 4WD drivetrain with a 6.2L V8 engine and Automatic transmission.
OAV's AI-powered Price-to-Market analysis rates this vehicle as Fair Price — priced at market value. Based on 17 comparable listings matched to this vehicle, the estimated market range is $14,950 to $30,419. These comparisons match year, make, and model and may currently span trims and configurations (trim-level matching is rolling out).
This vehicle has been on the lot for 11 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 Ocean Springs, MS 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 (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 Ocean Springs, MS, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTU2NEJ5JG618129 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.
2018 GMC Sierra 1500 Market in MS
MS Market Listings
90
Average Price
$29,223
Price Range
$10,995–$59,000
Avg Days on Lot
100
Based on all 90 2016-2020 GMC Sierra 1500 listings in the MS market, the average asking price is $29,223. This listing at $25,995 is $3,228 below the broader MS average (11% below the MS average). This is a wider, all-trim comparison across MS; OAV's price verdict above uses the closer comparable set. Comparable prices in MS range from $10,995 to $59,000. Similar vehicles spend an average of 100 days on dealer lots in this market.
Similar GMC Sierra 1500 Listings in MS
8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: SLT — compare trims below)
2016 GMC Sierra 1500
SLT
Flowood, MS
2017 GMC Sierra 1500
SLT
Jackson, MS
2018 GMC Sierra 1500
SLT
Columbia, MS
2018 GMC Sierra 1500
SLT
Grenada, MS
2016 GMC Sierra 1500
SLT
Philadelphia, MS
2018 GMC Sierra 1500
SLT
Oxford, MS
2017 GMC Sierra 1500
SLT
Indianola, MS
2017 GMC Sierra 1500
SLT
Corinth, MS