U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
OAV
2025 GMC Sierra 2500HD

Vehicle Details

VIN1GT4UPEY0SF139798
TrimAT4
Exterior ColorBlack
Drivetrain4WD
Engine6.6L V8
TransmissionAutomatic
Fuel TypeDiesel
Inventory Typeused
Days on Lot118

2025 GMC Sierra 2500HD

AT4

Unscored
$69,25828,274 mi

Dubuque, IA 52003

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

OAV verdict: Unscored

Why: Listed at $69,258, comparable market range $72,461–$74,407, based on 8 comparable listings. Days on lot: 118 days (market average 54 days).

Market price position

72,461
74,407
69,258

$69,258 · $3,203 below market low

$72,461comparable$74,407
Regional range
$72,461 – $74,407
vs. market low
— $3,203 (4% below)
Comparable vehicles
8
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$72,461 – $74,407

Dealer Info

Hidden
Hidden

Dubuque, IA

This dealer is not yet on OAV

Request a connection and we'll notify the dealer you're interested

View all vehicles from this franchise dealer in Dubuque, IA

About This 2025 GMC Sierra 2500HD

Listing updated: May 20, 2026

Listed by a franchise dealer in Dubuque, IA · On lot for 118 days · VIN verifiable at NHTSA

This used 2025 GMC Sierra 2500HD AT4 is listed at $69,258 by a franchise dealer in Dubuque, IA 52003. It has 28,274 miles on the odometer. The exterior color is Black. 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 8 similar vehicles in the Dubuque market, the estimated market range is $72,461 to $74,407.

This vehicle has been on the lot for 118 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 Dubuque, IA 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 Dubuque, IA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GT4UPEY0SF139798 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 IA

Comparable Vehicles

702

Average Price

$77,231

Price Range

$41,271–$103,274

Avg Days on Lot

54

Based on 702 comparable 2023-2027 GMC Sierra 2500HD listings in IA, the average asking price is $77,231. This listing at $69,258 is $7,973 below average (10% below market). Comparable prices in IA range from $41,271 to $103,274. Similar vehicles spend an average of 54 days on dealer lots in this market.

Similar GMC Sierra 2500HD Listings in IA

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