Vehicle Details
2021 GMC Sierra 1500
Base
Normal, IL 61761
Is this 2021 GMC Sierra 1500 Base a good deal?
OAV verdict: Unscored
Why: Listed at $28,673, comparable market range $28,673–$28,673. Days on lot: 223 days (market average 54 days).
Market price position
$28,673 · only listing at this price
- Regional range
- $28,673 (0 listings)
- vs. market
- Exact match — no spread
- Comparable vehicles
- 0
Similar vehicles recently sold in an estimated 17–66 days.
- This listing has been on market about 3.4x longer than typical for similar vehicles (cohort sells in 17–66 days; this one is at 223). Long days-on-lot on a fast-turn cohort can signal title concerns, mechanical issues, or pricing the dealer won't actually honor. Recommend a vehicle history report before spending more time.
O'Brien Automotive Team
Normal, IL
OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.
About This 2021 GMC Sierra 1500
Listing updated: Jun 1, 2026Listed by an independent dealer in Normal, IL · On lot for 223 days · VIN verifiable at NHTSA
This used 2021 GMC Sierra 1500 Base is listed at $28,673 by o'brien automotive team in Normal, IL 61761. It has 62,450 miles on the odometer. The exterior color is Blue. 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 Normal market, the estimated market range is $28,673 to $28,673.
This vehicle has been on the lot for 223 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 Normal, 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 an independent dealer in Normal, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTP9AEKXMG207422 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
$39,073
Price Range
$14,850–$60,961
Avg Days on Lot
54
Based on 1,280 comparable 2019-2023 GMC Sierra 1500 listings in IL, the average asking price is $39,073. This listing at $28,673 is $10,400 below average (27% below market). Comparable prices in IL range from $14,850 to $60,961. Similar vehicles spend an average of 54 days on dealer lots in this market.
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