Vehicle Details
2021 GMC Sierra 1500
Base
Countryside, IL 60525
Is this 2021 GMC Sierra 1500 Base a good deal?
OAV verdict: Unscored
Why: Listed at $31,012, comparable market range $31,012–$31,012. Days on lot: 83 days (market average 54 days).
Market price position
$31,012 · only listing at this price
- Regional range
- $31,012 (0 listings)
- vs. market
- Exact match — no spread
- Comparable vehicles
- 0
Similar vehicles recently sold in an estimated 11–46 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.
Countryside Nissan
Countryside, 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 Countryside Nissan for current availability of this 2021 GMC Sierra 1500 Base 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
Listing updated: Jun 24, 2026Listed by a franchise dealer in Countryside, IL · On lot for 83 days · VIN verifiable at NHTSA
This used 2021 GMC Sierra 1500 Base is listed at $31,012 by countryside nissan in Countryside, IL 60525. It has 42,193 miles on the odometer. The exterior color is White. It features a 4WD drivetrain with a 4.3L V6 engine and Automatic transmission.
OAV's AI-powered Price-to-Market analysis rates this vehicle as Unscored due to insufficient comparable data. Based on available similar vehicles in the Countryside market, the estimated market range is $31,012 to $31,012.
This vehicle has been on the lot for 83 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 Countryside, 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 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 Countryside, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTP9AEH2MZ197568 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 IL
Comparable Vehicles
1,280
Average Price
$39,454
Price Range
$16,000–$67,998
Avg Days on Lot
54
Based on 1,280 comparable 2019-2023 GMC Sierra 1500 listings in IL, the average asking price is $39,454. This listing at $31,012 is $8,442 below average (21% below market). Comparable prices in IL range from $16,000 to $67,998. Similar vehicles spend an average of 54 days on dealer lots in this market.
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