2025 GMC Sierra 1500

Listed by a franchise dealer in Glastonbury, CT · On lot for 73 days · VIN verifiable at NHTSA

This used 2025 GMC Sierra 1500 Denali is listed at $55,594 by monaco ford in Glastonbury, CT 06033. It has 6,950 miles on the odometer. The exterior color is Black. 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 16 similar vehicles in the Glastonbury market, the estimated market range is $58,126 to $66,264.

This vehicle has been on the lot for 73 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 Glastonbury, CT 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, 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 Glastonbury, CT, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTPHGED6SZ215652 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 updated continuously; Price-to-Market analysis uses comparable vehicles within the same geographic market.

2025 GMC Sierra 1500 Market in CT

Based on 1,157 comparable 2023-2027 GMC Sierra 1500 listings in CT, the average asking price is $57,276. This listing at $55,594 is $1,682 below average (3% below market). Comparable prices in CT range from $32,512 to $88,545. Similar vehicles spend an average of 63 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in CT

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