Vehicle Details
2021 GMC Sierra 1500
AT4
Danbury, CT 06810
Market price position
$32,336 · $3,650 below market low
- Regional range
- $35,986 – $45,998
- vs. market low
- — $3,650 (10% below)
- Comparable vehicles
- 16
Similar vehicles recently sold in an estimated 16–60 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.
Dealer Info
Danbury, CT
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About This 2021 GMC Sierra 1500
Listing updated: May 4, 2026Listed by a franchise dealer in Danbury, CT · On lot for 57 days · VIN verifiable at NHTSA
This used 2021 GMC Sierra 1500 AT4 is listed at $32,336 by a franchise dealer in Danbury, CT 06810. It has 95,693 miles on the odometer. The exterior color is Black. It features a 4WD drivetrain with a 6.2L 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 Danbury market, the estimated market range is $35,986 to $45,998.
This vehicle has been on the lot for 57 days.
Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477).
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.
This rating refreshes daily as inventory enters and leaves the market. The dealer on this listing has not yet activated on OAV, so the business name and contact details are anonymized here. Activated (paying) dealers appear with their verified business name and a Verified badge.
How this listing is verified
This vehicle listing was aggregated from a franchise dealer in Danbury, CT, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTP9EEL5MZ453276 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 CT
Comparable Vehicles
265
Average Price
$39,518
Price Range
$12,985–$59,894
Avg Days on Lot
47
Based on 265 comparable 2019-2023 GMC Sierra 1500 listings in CT, the average asking price is $39,518. This listing at $32,336 is $7,182 below average (18% below market). Comparable prices in CT range from $12,985 to $59,894. Similar vehicles spend an average of 47 days on dealer lots in this market.
Similar GMC Sierra 1500 Listings in CT
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2020 GMC Sierra 1500
New Haven, CT
2020 GMC Sierra 1500
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2020 GMC Sierra 1500
Waterbury, CT