Vehicle Details
2021 GMC Sierra 2500 Denali HD
Denali
Freeport, IL 61032
Is this 2021 GMC Sierra 2500 Denali HD Denali a good deal?
OAV verdict: Great Deal
Why: Listed at $50,017, comparable market range $63,893–$64,306, based on 10 comparable listings. Days on lot: 19 days (market average 61 days).
Market price position
$50,017 · $13,876 below market low
- Regional range
- $63,893 – $64,306
- vs. market low
- — $13,876 (22% below)
- Comparable vehicles
- 10
Market Retail Price (MRP™)
$64,100This vehicle $50,017 · $14,083 (22%) below MRP
MRP™ is the midpoint of the comparable market range — the representative price the market is asking for similar vehicles. How MRP works.
True Retail Value (TRV™)
$52,195This vehicle $50,017 · $2,178 (4%) below TRV
TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-07-19) — an estimate, not an appraisal. How TRV works.
Similar vehicles recently sold in an estimated 23–70 days.
Market Breakdown
Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges update continuously.
Jeff Perry Autos
Freeport, IL
OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.
Request availability and out-the-door price
OAV will route your inquiry to Jeff Perry Autos 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 19, 2026Listed by a franchise dealer in Freeport, IL · On lot for 19 days · VIN verifiable at NHTSA
This used 2021 GMC Sierra 2500 Denali HD Denali is listed at $50,017 by jeff perry autos in Freeport, IL 61032. It has 104,684 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 a Great Deal — priced below market value. Based on 10 similar vehicles in the Freeport market, the estimated market range is $63,893 to $64,306.
This vehicle has been on the lot for 19 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 Freeport, IL 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:
- 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 Freeport, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GT49RE77MF163619 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.
2021 GMC Sierra 2500 Denali HD Market in IL
Comparable Vehicles
160
Average Price
$54,231
Price Range
$37,420–$72,999
Avg Days on Lot
61
Based on 160 comparable 2019-2023 GMC Sierra 2500 Denali HD listings in IL, the average asking price is $54,231. This listing at $50,017 is $4,214 below average (8% below market). Comparable prices in IL range from $37,420 to $72,999. Similar vehicles spend an average of 61 days on dealer lots in this market.
Similar GMC Sierra 2500 Denali HD Listings in IL
8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: Denali — compare trims below)
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