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

VIN1GT49PE7XLF270800
TrimAT4
Exterior ColorWhite
Drivetrain4WD
Engine6.6L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot52

2020 GMC Sierra 2500HD

AT4

Unscored
$52,90062,075 mi

Decorah, IA 52101

Is this 2020 GMC Sierra 2500HD AT4 a good deal?

OAV verdict: Unscored

Why: Listed at $52,900, comparable market range $52,900–$52,900. Days on lot: 52 days (market average 45 days).

Market price position

52,900
52,900
52,900

$52,900 · only listing at this price

$52,900 — single data point
Regional range
$52,900 (0 listings)
vs. market
Exact match — no spread
Comparable vehicles
0
Demand-Verified· Backed by recent sales data
Faster-than-average sell-through

Similar vehicles recently sold in an estimated 437 days.

What does Demand-Verified mean?

Dealer Info

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Decorah, IA

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About This 2020 GMC Sierra 2500HD

Listing updated: May 27, 2026

Listed by a franchise dealer in Decorah, IA · On lot for 52 days · VIN verifiable at NHTSA

This used 2020 GMC Sierra 2500HD AT4 is listed at $52,900 by a franchise dealer in Decorah, IA 52101. It has 62,075 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 available similar vehicles in the Decorah market, the estimated market range is $52,900 to $52,900.

This vehicle has been on the lot for 52 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 Decorah, 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 2020 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 Decorah, IA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GT49PE7XLF270800 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.

2020 GMC Sierra 2500HD Market in IA

Comparable Vehicles

93

Average Price

$47,944

Price Range

$13,800–$61,450

Avg Days on Lot

45

Based on 93 comparable 2018-2022 GMC Sierra 2500HD listings in IA, the average asking price is $47,944. This listing at $52,900 is $4,956 above average (10% above market). Comparable prices in IA range from $13,800 to $61,450. Similar vehicles spend an average of 45 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)