Vehicle Details
2018 GMC Sierra 1500
SLT
Blenheim, SC 29516
Is this 2018 GMC Sierra 1500 SLT a good deal?
OAV verdict: Great Deal
Why: Listed at $18,995, comparable market range $24,570–$29,900, based on 13 comparable listings. Days on lot: 275 days (market average 39 days).
Market price position
$18,995 · $5,575 below market low
- Regional range
- $24,570 – $29,900
- vs. market low
- — $5,575 (23% below)
- Comparable vehicles
- 13
Similar vehicles recently sold in an estimated 12–54 days.
- This listing has been on market about 5.1x longer than typical for similar vehicles (cohort sells in 12–54 days; this one is at 275). Long days-on-lot on a fast-turn cohort can signal title concerns, mechanical issues, or pricing the dealer won't actually honor. Recommend a vehicle history report before spending more time.
Market Breakdown
Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges refresh daily.
Parker's Used Cars
Blenheim, SC
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 Parker's Used Cars 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: Jun 25, 2026Listed by an independent dealer in Blenheim, SC · On lot for 275 days · VIN verifiable at NHTSA
This used 2018 GMC Sierra 1500 SLT is listed at $18,995 by parker's used cars in Blenheim, SC 29516. It has 161,675 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 a Great Deal — priced below market value. Based on 13 similar vehicles in the Blenheim market, the estimated market range is $24,570 to $29,900.
This vehicle has been on the lot for 275 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 Blenheim, SC 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 Blenheim, SC, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTU2NEC2JG537204 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 SC
Comparable Vehicles
512
Average Price
$31,673
Price Range
$7,900–$46,470
Avg Days on Lot
39
Based on 512 comparable 2016-2020 GMC Sierra 1500 listings in SC, the average asking price is $31,673. This listing at $18,995 is $12,678 below average (40% below market). Comparable prices in SC range from $7,900 to $46,470. Similar vehicles spend an average of 39 days on dealer lots in this market.
Similar GMC Sierra 1500 Listings in SC
8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: SLT — compare trims below)
2019 GMC Sierra 1500
SLT
Florence, SC
2018 GMC Sierra 1500
SLT
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2016 GMC Sierra 1500
SLT
Greenville, SC
2017 GMC Sierra 1500
SLT
Beaufort, SC
2017 GMC Sierra 1500
SLT
Beech Island, SC
2017 GMC Sierra 1500
SLT
Bluffton, SC
2017 GMC Sierra 1500
SLT
Charleston, SC
2017 GMC Sierra 1500
SLT
Goose Creek, SC