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

Vehicle Details

VIN1GTUUEE80TZ283243
TrimAT4
Exterior ColorWhite
Drivetrain4WD
Engine3.0L I6
TransmissionAutomatic
Fuel TypeDiesel
Inventory Typenew
MSRP$71,635
Days on Lot91

2026 GMC Sierra 1500

AT4

Fair Price
$66,9836 miles

Effingham, IL 62401

Market price position

64,733
71,024
66,983

$66,983 · within market range

$64,733comparable$71,024
Regional range
$64,733 – $71,024
vs. market
$2,250 above low · $4,041 below high
Comparable vehicles
14
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1557 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$64,733 – $71,024
Regional Range$64,733 – $77,044

Dealer Info

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Effingham, IL

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About This 2026 GMC Sierra 1500

Listing updated: May 16, 2026

Listed by a franchise dealer in Effingham, IL · On lot for 91 days · VIN verifiable at NHTSA

This new 2026 GMC Sierra 1500 AT4 is listed at $66,983 by a franchise dealer in Effingham, IL 62401. It has 6 miles on the odometer. The exterior color is White. 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 Fair Price — priced at market value. Based on 14 similar vehicles in the Effingham market, the estimated market range is $64,733 to $71,024. The local market range in IL is $64,733 to $71,024.

This vehicle has been on the lot for 91 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 Effingham, 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:

This rating refreshes daily as inventory enters and leaves the market. The dealer on this listing has not yet activated on OAV, so the business name and contact details are anonymized here. Activated (paying) dealers appear with their verified business name and a Verified badge.

How this listing is verified

This vehicle listing was aggregated from a franchise dealer in Effingham, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTUUEE80TZ283243 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

5,181

Average Price

$60,334

Price Range

$26,383–$110,565

Avg Days on Lot

60

Based on 5,181 comparable 2024-2028 GMC Sierra 1500 listings in IL, the average asking price is $60,334. This listing at $66,983 is $6,649 above average (11% above market). Comparable prices in IL range from $26,383 to $110,565. Similar vehicles spend an average of 60 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: AT4 — compare trims below)