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

VIN3GTU9EET0MG159514
TrimAT4
Exterior ColorBlue
Drivetrain4WD
Engine3.0L I6
TransmissionAutomatic
Fuel TypeDiesel
Inventory Typeused
Days on Lot73

2021 GMC Sierra 1500

AT4

Unscored
$42,90038,138 mi

Bourbonnais, IL 60914

Is this 2021 GMC Sierra 1500 AT4 a good deal?

OAV verdict: Unscored

Why: Listed at $42,900, comparable market range $24,900–$45,950, based on 7 comparable listings. Days on lot: 73 days.

Market price position

24,900
45,950
42,900

$42,900 · within market range

$24,900comparable$45,950
Regional range
$24,900 – $45,950
vs. market
$18,000 above low · $3,050 below high
Comparable vehicles
7
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1656 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$24,900 – $45,950

Hove Buick Gmc

Bourbonnais, IL

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

View all vehicles from hove buick gmc

About This 2021 GMC Sierra 1500

Listing updated: May 31, 2026

Listed by a franchise dealer in Bourbonnais, IL · On lot for 73 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 1500 AT4 is listed at $42,900 by hove buick gmc in Bourbonnais, IL 60914. It has 38,138 miles on the odometer. The exterior color is Blue. It features a 4WD drivetrain with a 3.0L I6 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Unscored due to insufficient comparable data. Based on 7 similar vehicles in the Bourbonnais market, the estimated market range is $24,900 to $45,950.

This vehicle has been on the lot for 73 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 Bourbonnais, 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:

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 Bourbonnais, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTU9EET0MG159514 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.