2025 GMC Sierra 1500 Denali

Listed by a franchise dealer in Waukesha, WI · On lot for 106 days · VIN verifiable at NHTSA

This used 2025 GMC Sierra 1500 Denali is listed at $58,356 by boucher buick gmc of waukesha in Waukesha, WI 53186. It has 18,606 miles on the odometer (dealer-reported, not independently verified by OAV). It features a 4WD drivetrain with a 3.0L I6 engine and Automatic transmission.

OAV's independent, evidence-backed Price-to-Market analysis rates this vehicle as a Great Deal — priced below market value. Based on 24 comparable listings matched to this vehicle, the estimated market range is $59,437 to $64,995. These comparisons match year, make, model, and market, using trim where trim data supports it. OAV does not adjust comparables for odometer — where mileage would distort a verdict, it withholds one instead.

This vehicle has been on the lot for 106 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 Waukesha, 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 2025 GMC Sierra 1500 against similar vehicles currently available in the local and regional market — same make, model, and year range, using trim where trim data supports it. OAV does not adjust comparables for odometer; on very high-mileage vehicles it withholds a verdict rather than overstate a discount the odometer explains. 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 Waukesha, WI, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTUUGE89SZ212326 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.

2025 GMC Sierra 1500 Market in WI

Based on all 1,935 2023-2027 GMC Sierra 1500 listings in the WI market, the average asking price is $59,791. This listing at $58,356 is $1,435 below the broader WI average (2% below the WI average). This is a wider, all-trim comparison across WI; OAV's price verdict above uses the closer comparable set. Comparable prices in WI range from $27,192 to $99,800. Similar vehicles spend an average of 63 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in WI

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