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

VINKL79MMS21MB057784
TrimLS
Exterior ColorBlue
DrivetrainFWD
Engine1.2L I3
TransmissionCVT
Fuel TypeUnleaded
Inventory Typeused
Days on Lot3

2021 Chevrolet Trailblazer

LS

Overpriced
$18,39043,926 mi

Oak Lawn, IL 60453

Is this 2021 Chevrolet Trailblazer LS a good deal?

OAV verdict: Overpriced

Why: Listed at $18,390, comparable market range $13,904–$17,999, based on 14 comparable listings. Days on lot: 3 days (market average 54 days).

Market price position

13,904
17,999
18,390

$18,390 · $391 above market high

$13,904comparable$17,999
Regional range
$13,904 – $17,999
vs. market high
+ $391 (2% above)
Comparable vehicles
14
Demand-Verified· Backed by recent sales data
Faster-than-average sell-through

Similar vehicles recently sold in an estimated 1053 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$13,904 – $17,999

Castle Hyundai Oak Lawn

Oak Lawn, IL

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

View all vehicles from castle hyundai oak lawn

Request availability and out-the-door price

OAV will route your inquiry to Castle Hyundai Oak Lawn for current availability of this 2021 Chevrolet Trailblazer LS 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 Chevrolet Trailblazer

Listing updated: Jun 4, 2026

Listed by a franchise dealer in Oak Lawn, IL · On lot for 3 days · VIN verifiable at NHTSA

This used 2021 Chevrolet Trailblazer LS is listed at $18,390 by castle hyundai oak lawn in Oak Lawn, IL 60453. It has 43,926 miles on the odometer. The exterior color is Blue. It features a FWD drivetrain with a 1.2L I3 engine and CVT transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Overpriced — priced above market value. Based on 14 similar vehicles in the Oak Lawn market, the estimated market range is $13,904 to $17,999.

This vehicle has been on the lot for 3 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 Oak Lawn, IL suvs 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 Chevrolet Trailblazer 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 Oak Lawn, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN KL79MMS21MB057784 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 Chevrolet Trailblazer Market in IL

Comparable Vehicles

235

Average Price

$19,029

Price Range

$11,500–$24,016

Avg Days on Lot

54

Based on 235 comparable 2019-2023 Chevrolet Trailblazer listings in IL, the average asking price is $19,029. This listing at $18,390 is $639 below average (3% below market). Comparable prices in IL range from $11,500 to $24,016. Similar vehicles spend an average of 54 days on dealer lots in this market.

Similar Chevrolet Trailblazer Listings in IL

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