2021 GMC Sierra 1500

Listed by a franchise dealer in Oconomowoc, WI · On lot for 67 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 1500 AT4 is listed at $31,198 by a franchise dealer in Oconomowoc, WI 53066. It has 129,049 miles on the odometer. The exterior color is Black. 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 23 similar vehicles in the Oconomowoc market, the estimated market range is $32,250 to $43,990.

This vehicle has been on the lot for 67 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 Oconomowoc, WI trucks market analysis. OAV compares vehicles using local and regional price-to-market ranges, days-on-lot, comparable count, and demand signals where available.

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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 Oconomowoc, WI, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTP9EED9MZ323073 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 WI

Based on 1,375 comparable 2019-2023 GMC Sierra 1500 listings in WI, the average asking price is $39,507. This listing at $31,198 is $8,309 below average (21% below market). Comparable prices in WI range from $20,310 to $60,943. Similar vehicles spend an average of 57 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in WI

8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: AT4 — compare trims below)