2021 GMC Sierra 1500 SLT

Listed by an independent dealer in Duluth, GA · On lot for 44 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 1500 SLT is listed at $29,095 by autoplex atlanta in Duluth, GA 30096. It has 89,606 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is White. It features a RWD 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 18 comparable listings matched to this vehicle, the estimated market range is $35,349 to $40,937. The local market range in GA is $35,349 to $40,937. 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 44 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 Duluth, GA trucks market analysis. OAV compares vehicles using local and regional price-to-market ranges, days-on-lot, comparable count, and demand signals where available.

• View the full Duluth, GA trucks market →
• All vehicles in Duluth, GA →
• All vehicles in GA →
• All vehicles from this dealer →

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 (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 Duluth, GA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTP8DED0MG196159 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.

2021 GMC Sierra 1500 Market in GA

Based on all 432 2019-2023 GMC Sierra 1500 listings in the GA market, the average asking price is $38,697. This listing at $29,095 is $9,602 below the broader GA average (25% below the GA average). This is a wider, all-trim comparison across GA; OAV's price verdict above uses the closer comparable set. Comparable prices in GA range from $8,000 to $65,897. Similar vehicles spend an average of 60 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in GA

8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: SLT — compare trims below)