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

2020 GMC Sierra 2500HD Denali

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Vehicle Details

VIN1GT19REY0LF217644
TrimDenali
Exterior ColorBlack
Drivetrain4WD
Engine6.6L V8
TransmissionAutomatic
Fuel TypeDiesel
Inventory Typeused
Days on Lot47

Denali

Unscored
$57,39669,159 mi

Fond du Lac, WI 54935

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

OAV verdict: Unscored

Why: Listed at $57,396. OAV has not found enough comparable listings for a reliable market range or verdict. Days on lot: 47 days (market average 95 days).

Market price position

Limited comparable data — OAV has not assigned a reliable market verdict to this listing yet.

Comparable vehicles nationally recently sold in an estimated 1376 days.

Market Breakdown

Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges are rebuilt from the market snapshot shown above.

Regional Range$53,489 – $53,489

Lenz Auto

Fond du Lac, WI

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OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.

About This 2020 GMC Sierra 2500HD

Listing updated: Aug 1, 2026

Listed by an independent dealer in Fond du Lac, WI · On lot for 47 days · VIN verifiable at NHTSA

This used 2020 GMC Sierra 2500HD Denali is listed at $57,396 by lenz auto in Fond du Lac, WI 54935. It has 69,159 miles on the odometer (dealer-reported, not independently verified by OAV). 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. OAV has not assigned a reliable comparable market range for this vehicle yet — the comparable set is too limited.

This vehicle has been on the lot for 47 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 Fond du Lac, WI 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 (currently across available trims and configurations; trim-level matching is rolling out), filtered for comparable mileage. Based on where this listing falls in that comparable set, it is rated:

  • Great Deal — priced below the typical range for comparable vehicles.
  • Fair Price — priced within the expected range for comparable vehicles.
  • Overpriced — priced above the typical range for comparable vehicles.

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 an independent dealer in Fond du Lac, WI, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GT19REY0LF217644 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 processed daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.

2020 GMC Sierra 2500HD Market in WI

WI Market Listings

33

Average Price

$48,781

Price Range

$24,490–$60,750

Avg Days on Lot

95

Based on all 33 2018-2022 GMC Sierra 2500HD listings in the WI market, the average asking price is $48,781. Because OAV has not assigned a reliable price verdict to this listing, it does not state how it compares to this broader average. Comparable prices in WI range from $24,490 to $60,750. Similar vehicles spend an average of 95 days on dealer lots in this market.

Similar GMC Sierra 2500HD Listings in WI

8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: Denali — compare trims below)