
Vehicle Details
2021 GMC Sierra 1500
SLT
Myrtle Beach, SC 29579
Market price position
$39,750 · $250 above market high
- Regional range
- $34,044 – $39,500
- vs. market high
- + $250 (1% above)
- Comparable vehicles
- 4
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
Myrtle Beach, SC
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About This 2021 GMC Sierra 1500
Listing updated: Apr 24, 2026Listed by a franchise dealer in Myrtle Beach, SC · On lot for 13 days · VIN verifiable at NHTSA
This used 2021 GMC Sierra 1500 SLT is listed at $39,750 by a franchise dealer in Myrtle Beach, SC 29579. It has 88,923 miles on the odometer. The exterior color is Gray. It features a 4WD drivetrain with a 3.0L I6 engine and Automatic transmission.
OAV's AI-powered Price-to-Market analysis rates this vehicle as Overpriced — priced above market value. Based on 4 similar vehicles in the Myrtle Beach market, the estimated market range is $34,044 to $39,500. The local market range in SC is $34,044 to $39,500.
This vehicle has been on the lot for 13 days.
Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477).
How this deal is rated
OAV compares this 2021 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.
This rating refreshes daily as inventory enters and leaves the market. The dealer on this listing has not yet activated on OAV, so the business name and contact details are anonymized here. Activated (paying) dealers appear with their verified business name and a Verified badge.
How this listing is verified
This vehicle listing was aggregated from a franchise dealer in Myrtle Beach, SC, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network. The VIN 1GTU9DET0MZ141900 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.
2021 GMC Sierra 1500 Market in SC
Comparable Vehicles
1,410
Average Price
$42,731
Price Range
$14,000–$69,024
Avg Days on Lot
39
Based on 1,410 comparable 2019-2023 GMC Sierra 1500 listings in SC, the average asking price is $42,731. This listing at $39,750 is $2,981 below average (7% below market). Comparable prices in SC range from $14,000 to $69,024. Similar vehicles spend an average of 39 days on dealer lots in this market.
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