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

VIN1GT4UPEYXSF335909
TrimAT4
Exterior ColorWhite
Drivetrain4WD
Engine6.6L V8
TransmissionAutomatic
Fuel TypeDiesel
Inventory Typeused
Days on Lot19

2025 GMC Sierra 2500HD

AT4

Unscored
$79,99024,289 mi

Decatur, IL 62521

Is this 2025 GMC Sierra 2500HD AT4 a good deal?

OAV verdict: Unscored

Why: Listed at $79,990, comparable market range $69,995–$78,738, based on 4 comparable listings. Days on lot: 19 days (market average 58 days).

Market price position

69,995
78,738
79,990

$79,990 · $1,252 above market high

$69,995comparable$78,738
Regional range
$69,995 – $78,738
vs. market high
+ $1,252 (2% above)
Comparable vehicles
4
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1554 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$69,995 – $78,738

Bob Brady Honda

Decatur, 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 Bob Brady Honda for current availability of this 2025 GMC Sierra 2500HD AT4 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 2025 GMC Sierra 2500HD

Listing updated: Jun 3, 2026

Listed by a franchise dealer in Decatur, IL · On lot for 19 days · VIN verifiable at NHTSA

This used 2025 GMC Sierra 2500HD AT4 is listed at $79,990 by bob brady honda in Decatur, IL 62521. It has 24,289 miles on the odometer. The exterior color is White. It features a 4WD drivetrain with a 6.6L 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 4 similar vehicles in the Decatur market, the estimated market range is $69,995 to $78,738.

This vehicle has been on the lot for 19 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 Decatur, 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 2025 GMC Sierra 2500HD 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 Decatur, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GT4UPEYXSF335909 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.

2025 GMC Sierra 2500HD Market in IL

Comparable Vehicles

2,056

Average Price

$78,810

Price Range

$29,990–$107,819

Avg Days on Lot

58

Based on 2,056 comparable 2023-2027 GMC Sierra 2500HD listings in IL, the average asking price is $78,810. This listing at $79,990 is $1,180 above average (1% above market). Comparable prices in IL range from $29,990 to $107,819. Similar vehicles spend an average of 58 days on dealer lots in this market.

Similar GMC Sierra 2500HD Listings in IL

8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: AT4 — compare trims below)