Vehicle Details
2021 GMC Sierra 1500 Denali
Denali
St. Charles, IL 60174
Is this 2021 GMC Sierra 1500 Denali Denali a good deal?
OAV verdict: Fair Price
Why: Listed at $42,225, comparable market range $22,219–$44,408, based on 27 comparable listings. Days on lot: 4 days (market average 69 days).
Market price position
$42,225 · within market range
- Regional range
- $22,219 – $44,408
- vs. market
- $20,006 above low · $2,183 below high
- Comparable vehicles
- 27
Similar vehicles recently sold in an estimated 17–61 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.
Mcgrath Honda Of St. Charles
St. Charles, 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 Mcgrath Honda Of St. Charles for current availability of this 2021 GMC Sierra 1500 Denali 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 1500 Denali
Listing updated: Jun 25, 2026Listed by a franchise dealer in St. Charles, IL · On lot for 4 days · VIN verifiable at NHTSA
This used 2021 GMC Sierra 1500 Denali Denali is listed at $42,225 by mcgrath honda of st. charles in St. Charles, IL 60174. It has 40,431 miles on the odometer. The exterior color is Blue. It features a 4WD drivetrain with a 5.3L 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 St. Charles market, the estimated market range is $22,219 to $44,408.
This vehicle has been on the lot for 4 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 St. Charles, 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 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:
- 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 St. Charles, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTU9FED6MZ417808 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 IL
Comparable Vehicles
468
Average Price
$45,895
Price Range
$22,219–$79,145
Avg Days on Lot
69
Based on 468 comparable 2019-2023 GMC Sierra 1500 Denali listings in IL, the average asking price is $45,895. This listing at $42,225 is $3,670 below average (8% below market). Comparable prices in IL range from $22,219 to $79,145. Similar vehicles spend an average of 69 days on dealer lots in this market.
Similar GMC Sierra 1500 Denali Listings in IL
8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: Denali — compare trims below)
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