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

Vehicle Details

VIN3GTUUEEL4TG272105
TrimAT4
Exterior ColorWhite
Drivetrain4WD
Engine6.2L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typenew
MSRP$73,730
Days on Lot94

2026 GMC Sierra 1500

AT4

Unscored
$63,163Mileage not verified

Naperville, IL 60540

Is this 2026 GMC Sierra 1500 AT4 a good deal?

OAV verdict: Unscored

Why: Listed at $63,163, comparable market range $63,663–$67,163, based on 7 comparable listings. Days on lot: 94 days (market average 60 days).

Market price position

63,663
67,163
63,163

$63,163 · $500 below market low

$63,663comparable$67,163
Regional range
$63,663 – $67,163
vs. market low
— $500 (1% below)
Comparable vehicles
7
Demand-Verified· Backed by recent sales data
Faster-than-average sell-through

Similar vehicles recently sold in an estimated 637 days.

What does Demand-Verified mean?

Verify before inquiring
  • This listing has been on market about 2.5x longer than typical for similar vehicles (cohort sells in 6–37 days; this one is at 94). Long days-on-lot on a fast-turn cohort can signal title concerns, mechanical issues, or pricing the dealer won't actually honor. Recommend a vehicle history report before spending more time.

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$63,663 – $67,163
Regional Range$63,444 – $94,153

Dealer Info

Hidden
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Naperville, IL

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About This 2026 GMC Sierra 1500

Listing updated: May 17, 2026

Listed by a franchise dealer in Naperville, IL · On lot for 94 days · VIN verifiable at NHTSA

This new 2026 GMC Sierra 1500 AT4 is listed at $63,163 by a franchise dealer in Naperville, IL 60540. It has 5 miles on the odometer. The exterior color is White. It features a 4WD drivetrain with a 6.2L V8 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 Naperville market, the estimated market range is $63,663 to $67,163. The local market range in IL is $63,663 to $67,163.

This vehicle has been on the lot for 94 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 Naperville, 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 Naperville, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTUUEEL4TG272105 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

5,230

Average Price

$60,442

Price Range

$26,383–$110,565

Avg Days on Lot

60

Based on 5,230 comparable 2024-2028 GMC Sierra 1500 listings in IL, the average asking price is $60,442. This listing at $63,163 is $2,721 above average (5% 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)