U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
OAV
2021 Chevrolet Silverado 1500

Vehicle Details

VIN1GCRYBEK3MZ257953
TrimCustom
Exterior ColorBlack
Drivetrain4WD
Engine2.7L I4
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot25

2021 Chevrolet Silverado 1500

Custom

Unscored
$21,258111,332 mi

Sioux Falls, SD 57108

Is this 2021 Chevrolet Silverado 1500 Custom a good deal?

OAV verdict: Unscored

Why: Listed at $21,258, comparable market range $33,744–$33,744, based on 3 comparable listings. Days on lot: 25 days (market average 98 days).

Market price position

33,744
33,744
21,258

$21,258 · $12,486 below the market benchmark

$33,744 — single data point
Regional range
$33,744 (3 listings)
vs. market low
— $12,486 (37% below)
Comparable vehicles
3
Demand-Verified· Backed by recent sales data
Faster-than-average sell-through

Similar vehicles recently sold in an estimated 1159 days.

What does Demand-Verified mean?

Verify before inquiring
  • This listing is priced about 37% below the lowest comparable vehicle in the regional market. Discounts at this scale frequently indicate accident damage, branded title (salvage or rebuilt), or undisclosed mechanical issues. Strongly recommend pulling a vehicle history report and inspecting listing photos carefully before inquiring.

Market Breakdown

Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges refresh daily.

Local Range$33,744 – $33,744
Regional Range$18,950 – $35,244

Dealer Info

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Sioux Falls, SD

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About This 2021 Chevrolet Silverado 1500

Listing updated: May 19, 2026

Listed by a franchise dealer in Sioux Falls, SD · On lot for 25 days · VIN verifiable at NHTSA

This used 2021 Chevrolet Silverado 1500 Custom is listed at $21,258 by a franchise dealer in Sioux Falls, SD 57108. It has 111,332 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 Unscored due to insufficient comparable data. Based on 3 similar vehicles in the Sioux Falls market, the estimated market range is $33,744 to $33,744. The local market range in SD is $33,744 to $33,744.

This vehicle has been on the lot for 25 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 Sioux Falls, SD 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 Sioux Falls, SD, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GCRYBEK3MZ257953 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 SD

Comparable Vehicles

518

Average Price

$36,194

Price Range

$13,505–$59,995

Avg Days on Lot

98

Based on 518 comparable 2019-2023 Chevrolet Silverado 1500 listings in SD, the average asking price is $36,194. This listing at $21,258 is $14,936 below average (41% below market). Comparable prices in SD range from $13,505 to $59,995. Similar vehicles spend an average of 98 days on dealer lots in this market.

Similar Chevrolet Silverado 1500 Listings in SD

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