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

VINLRBFZMR45MD179193
TrimPreferred
Exterior ColorBrown
Drivetrain4WD
Engine2.0L I4
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot5

2021 Buick Envision

Preferred

Unscored
$21,75455,792 mi

North Riverside, IL 60546

Is this 2021 Buick Envision Preferred a good deal?

OAV verdict: Unscored

Why: Listed at $21,754, comparable market range $14,865–$21,990, based on 5 comparable listings. Days on lot: 5 days (market average 80 days).

Market price position

$21,754 · within market range

$14,865comparable$21,990
Regional range
$14,865 – $21,990
vs. market
$6,889 above low · $236 below high
Comparable vehicles
5

Market Retail Price (MRP™)

$18,428

This vehicle $21,754 · $3,326 (18%) above MRP

MRP™ is the midpoint of the comparable market range — the representative price the market is asking for similar vehicles. How MRP works.

True Retail Value (TRV™)

$20,495

This vehicle $21,754 · $1,259 (6%) above TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-07-26) — an estimate, not an appraisal. How TRV works.

Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1854 days.

Market Breakdown

Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges are rebuilt from the market snapshot shown above.

Regional Range$14,865 – $21,990

Castle Cars

North Riverside, IL

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

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Request availability and out-the-door price

OAV will route your inquiry to Castle Cars for current availability of this 2021 Buick Envision Preferred 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 Buick Envision

Listing updated: Jul 26, 2026

Listed by a franchise dealer in North Riverside, IL · On lot for 5 days · VIN verifiable at NHTSA

This used 2021 Buick Envision Preferred is listed at $21,754 by castle cars in North Riverside, IL 60546. It has 55,792 miles on the odometer. The exterior color is Brown. It features a 4WD drivetrain with a 2.0L I4 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Unscored due to insufficient comparable data. Based on 5 similar vehicles in the North Riverside market, the estimated market range is $14,865 to $21,990.

This vehicle has been on the lot for 5 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 North Riverside, 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 Envision 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 North Riverside, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN LRBFZMR45MD179193 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 processed daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.

2021 Buick Envision Market in IL

Comparable Vehicles

297

Average Price

$26,618

Price Range

$9,495–$40,285

Avg Days on Lot

80

Based on 297 comparable 2019-2023 Buick Envision listings in IL, the average asking price is $26,618. This listing at $21,754 is $4,864 below average (18% below market). Comparable prices in IL range from $9,495 to $40,285. Similar vehicles spend an average of 80 days on dealer lots in this market.

Similar Buick Envision Listings in IL

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