Vehicle Details
2021 GMC Sierra 1500
AT4
Saint George, SC 29477
Is this 2021 GMC Sierra 1500 AT4 a good deal?
OAV verdict: Overpriced
Why: Listed at $44,990, comparable market range $36,224–$43,424, based on 33 comparable listings. Days on lot: 27 days (market average 44 days).
Market price position
$44,990 · $1,566 above market high
- Regional range
- $36,224 – $43,424
- vs. market high
- + $1,566 (4% above)
- Comparable vehicles
- 33
Market Retail Price (MRP™)
$39,824This vehicle $44,990 · $5,166 (13%) 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™)
$41,411This vehicle $44,990 · $3,579 (9%) above TRV
TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-07-15) — an estimate, not an appraisal. How TRV works.
Similar vehicles recently sold in an estimated 15–53 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.
Family-Gmc Inc.
Saint George, 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 Family-Gmc Inc. for current availability of this 2021 GMC Sierra 1500 AT4 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 2021 GMC Sierra 1500
Listing updated: Jul 15, 2026Listed by a franchise dealer in Saint George, SC · On lot for 27 days · VIN verifiable at NHTSA
This used 2021 GMC Sierra 1500 AT4 is listed at $44,990 by family-gmc inc. in Saint George, SC 29477. It has 52,261 miles on the odometer. The exterior color is Gray. 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 Overpriced — priced above market value. Based on 33 similar vehicles in the Saint George market, the estimated market range is $36,224 to $43,424.
This vehicle has been on the lot for 27 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 Saint George, 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 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.
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 a franchise dealer in Saint George, SC, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTP9EED4MZ322381 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
1,337
Average Price
$43,310
Price Range
$14,990–$68,627
Avg Days on Lot
44
Based on 1,337 comparable 2019-2023 GMC Sierra 1500 listings in SC, the average asking price is $43,310. This listing at $44,990 is $1,680 above average (4% above market). Comparable prices in SC range from $14,990 to $68,627. Similar vehicles spend an average of 44 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: AT4 — compare trims below)
2019 GMC Sierra 1500
AT4
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2020 GMC Sierra 1500
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Spartanburg, SC
2021 GMC Sierra 1500
AT4
Aiken, SC
2019 GMC Sierra 1500
AT4
Boiling Springs, SC
2021 GMC Sierra 1500
AT4
Myrtle Beach, SC
2021 GMC Sierra 1500
AT4
Greenville, SC
2022 GMC Sierra 1500
AT4
Columbia, SC