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

VIN3GCPYBEK4MG285347
TrimCustom
Exterior ColorBlack
Drivetrain4WD
Engine2.7L I4
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot31

2021 Chevrolet Silverado 1500

Custom

Fair Price
$28,40074,371 miles

Madison, WI 53713

Market price position

28,000
35,299
28,400

$28,400 · within market range

$28,000comparable$35,299
Regional range
$28,000 – $35,299
vs. market
$400 above low · $6,899 below high
Comparable vehicles
13
Demand-Verified· Backed by recent sales data
Faster-than-average sell-through

Similar vehicles recently sold in an estimated 1354 days.

What does Demand-Verified mean?

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$28,000 – $35,299

Dealer Info

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Madison, WI

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About This 2021 Chevrolet Silverado 1500

Listing updated: May 14, 2026

Listed by a franchise dealer in Madison, WI · On lot for 31 days · VIN verifiable at NHTSA

This used 2021 Chevrolet Silverado 1500 Custom is listed at $28,400 by a franchise dealer in Madison, WI 53713. It has 74,371 miles on the odometer. The exterior color is Black. It features a 4WD drivetrain with a 2.7L I4 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Fair Price — priced at market value. Based on 13 similar vehicles in the Madison market, the estimated market range is $28,000 to $35,299.

This vehicle has been on the lot for 31 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 Madison, 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 2021 Chevrolet Silverado 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 Madison, WI, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GCPYBEK4MG285347 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.

2021 Chevrolet Silverado 1500 Market in WI

Comparable Vehicles

2,376

Average Price

$35,671

Price Range

$13,425–$99,999

Avg Days on Lot

56

Based on 2,376 comparable 2019-2023 Chevrolet Silverado 1500 listings in WI, the average asking price is $35,671. This listing at $28,400 is $7,271 below average (20% below market). Comparable prices in WI range from $13,425 to $99,999. Similar vehicles spend an average of 56 days on dealer lots in this market.

Similar Chevrolet Silverado 1500 Listings in WI

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