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

VINKL4MMBS25MB155308
TrimPreferred
Exterior ColorBrown
DrivetrainFWD
Engine1.2L I3
TransmissionCVT
Fuel TypeUnleaded
Inventory Typeused
Days on Lot74

2021 Buick Encore GX

Preferred

Fair Price
$13,900111,680 mi

Chicago, IL 60609

Is this 2021 Buick Encore GX Preferred a good deal?

OAV verdict: Fair Price

Why: Listed at $13,900, comparable market range $13,130–$19,970, based on 19 comparable listings. Days on lot: 74 days (market average 57 days).

Market price position

13,130
19,970
13,900

$13,900 · within market range

$13,130comparable$19,970
Regional range
$13,130 – $19,970
vs. market
$770 above low · $6,070 below high
Comparable vehicles
19
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1366 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.

Regional Range$13,130 – $19,970

Dealer Info

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Chicago, IL

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About This 2021 Buick Encore GX

Listing updated: May 26, 2026

Listed by an independent dealer in Chicago, IL · On lot for 74 days · VIN verifiable at NHTSA

This used 2021 Buick Encore GX Preferred is listed at $13,900 by an independent dealer in Chicago, IL 60609. It has 111,680 miles on the odometer. The exterior color is Brown. 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 Fair Price — priced at market value. Based on 19 similar vehicles in the Chicago market, the estimated market range is $13,130 to $19,970.

This vehicle has been on the lot for 74 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 Chicago, 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 Buick Encore GX 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 an independent dealer in Chicago, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN KL4MMBS25MB155308 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 Buick Encore GX Market in IL

Comparable Vehicles

441

Average Price

$20,391

Price Range

$7,995–$28,500

Avg Days on Lot

57

Based on 441 comparable 2019-2023 Buick Encore GX listings in IL, the average asking price is $20,391. This listing at $13,900 is $6,491 below average (32% below market). Comparable prices in IL range from $7,995 to $28,500. Similar vehicles spend an average of 57 days on dealer lots in this market.

Similar Buick Encore GX Listings in IL

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