U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
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Vehicle Details

VIN1GT49REY6MF309548
TrimDenali
Exterior ColorWhite
Drivetrain4WD
Engine6.6L V8
TransmissionAutomatic
Fuel TypeDiesel
Inventory Typeused
Days on Lot5

2021 GMC Sierra 2500 Denali HD

Denali

Unscored
$64,99735,290 mi

Watertown, CT 06795

Is this 2021 GMC Sierra 2500 Denali HD Denali a good deal?

OAV verdict: Unscored

Why: Listed at $64,997, comparable market range $54,939–$59,597, based on 5 comparable listings. Days on lot: 5 days (market average 50 days).

Market price position

54,939
59,597
64,997

$64,997 · $5,400 above market high

$54,939comparable$59,597
Regional range
$54,939 – $59,597
vs. market high
+ $5,400 (9% above)
Comparable vehicles
5
Demand-Verified· Backed by recent sales data
Faster-than-average sell-through

Similar vehicles recently sold in an estimated 1346 days.

What does Demand-Verified mean?

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$54,939 – $59,597

Gmc Of Watertown

Watertown, CT

OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.

View all vehicles from gmc of watertown

Request availability and out-the-door price

OAV will route your inquiry to Gmc Of Watertown for current availability of this 2021 GMC Sierra 2500 Denali HD Denali and an out-the-door price quote (taxes, fees, addons included).

OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.

About This 2021 GMC Sierra 2500 Denali HD

Listing updated: Jul 2, 2026

Listed by a franchise dealer in Watertown, CT · On lot for 5 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 2500 Denali HD Denali is listed at $64,997 by gmc of watertown in Watertown, CT 06795. It has 35,290 miles on the odometer. The exterior color is White. It features a 4WD drivetrain with a 6.6L V8 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Unscored due to insufficient comparable data. Based on 5 similar vehicles in the Watertown market, the estimated market range is $54,939 to $59,597.

This vehicle has been on the lot for 5 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 Watertown, 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.

How this deal is rated

OAV compares this 2021 GMC Sierra 2500 Denali HD 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:

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 Watertown, CT, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GT49REY6MF309548 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 2500 Denali HD Market in CT

Comparable Vehicles

45

Average Price

$58,135

Price Range

$44,791–$85,685

Avg Days on Lot

50

Based on 45 comparable 2019-2023 GMC Sierra 2500 Denali HD listings in CT, the average asking price is $58,135. This listing at $64,997 is $6,862 above average (12% above market). Comparable prices in CT range from $44,791 to $85,685. Similar vehicles spend an average of 50 days on dealer lots in this market.

Similar GMC Sierra 2500 Denali HD Listings in CT

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