U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
OAV
2026 GMC Sierra 1500

Vehicle Details

VIN3GTNUAEK6TG280890
TrimPro
Exterior ColorWhite
Drivetrain4WD
Engine2.7L I4
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typenew
MSRP$46,730
Days on Lot36

2026 GMC Sierra 1500

Pro

Unscored
$40,200Mileage not verified

Quincy, IL 62305

Is this 2026 GMC Sierra 1500 Pro a good deal?

OAV verdict: Unscored

Why: Listed at $40,200, comparable market range $41,247–$48,250, based on 5 comparable listings. Days on lot: 36 days (market average 61 days).

Market price position

41,247
48,250
40,200

$40,200 · $1,047 below market low

$41,247comparable$48,250
Regional range
$41,247 – $48,250
vs. market low
— $1,047 (3% below)
Comparable vehicles
5
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1549 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.

Local Range$41,247 – $48,250
Regional Range$41,247 – $48,250

Dealer Info

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Quincy, IL

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About This 2026 GMC Sierra 1500

Listing updated: May 20, 2026

Listed by a franchise dealer in Quincy, IL · On lot for 36 days · VIN verifiable at NHTSA

This new 2026 GMC Sierra 1500 Pro is listed at $40,200 by a franchise dealer in Quincy, IL 62305. It has 5 miles on the odometer. The exterior color is White. It features a 4WD drivetrain with a 2.7L 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 Quincy market, the estimated market range is $41,247 to $48,250. The local market range in IL is $41,247 to $48,250.

This vehicle has been on the lot for 36 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 Quincy, 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 2026 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 Quincy, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTNUAEK6TG280890 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.

2026 GMC Sierra 1500 Market in IL

Comparable Vehicles

5,149

Average Price

$60,483

Price Range

$26,383–$94,153

Avg Days on Lot

61

Based on 5,149 comparable 2024-2028 GMC Sierra 1500 listings in IL, the average asking price is $60,483. This listing at $40,200 is $20,283 below average (34% below market). Comparable prices in IL range from $26,383 to $94,153. Similar vehicles spend an average of 61 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in IL

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