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2021 GMC Sierra 1500 Denali

Vehicle Details

VIN3GTU9FEL2MG113074
TrimDenali
Exterior ColorGray
Drivetrain4WD
Engine6.2L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
MSRP$39,990
Days on Lot127
Days on Market525

2021 GMC Sierra 1500 Denali

Denali

Fair Price
$39,99087,459 miles

Biddeford, ME 04005

Market price position

31,999
45,065
39,990

$39,990 · within market range

$31,999comparable$45,065
Regional range
$31,999 – $45,065
vs. market
$7,991 above low · $5,075 below high
Comparable vehicles
27

Market Breakdown

Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges refresh daily.

Regional Range$31,999 – $45,065

Dealer Info

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Biddeford, ME

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About This 2021 GMC Sierra 1500 Denali

Listing updated: Apr 23, 2026

Listed by a independent dealer in Biddeford, ME · On lot for 127 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 1500 Denali Denali is listed at $39,990 by a independent dealer in Biddeford, ME 04005. It has 87,459 miles on the odometer. The exterior color is Gray. 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 Fair Price — priced at market value. Based on 27 similar vehicles in the Biddeford market, the estimated market range is $31,999 to $45,065.

This vehicle has been on the lot for 127 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 Denali 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:

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 independent dealer in Biddeford, ME, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network. The VIN 3GTU9FEL2MG113074 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 Denali Market in ME

Comparable Vehicles

92

Average Price

$44,989

Price Range

$31,999–$57,980

Avg Days on Lot

58

Based on 92 comparable 2019-2023 GMC Sierra 1500 Denali listings in ME, the average asking price is $44,989. This listing at $39,990 is $4,999 below average (11% below market). Comparable prices in ME range from $31,999 to $57,980. Similar vehicles spend an average of 58 days on dealer lots in this market.

Similar GMC Sierra 1500 Denali Listings in ME

8 comparable vehicles with similar year and mileage