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

2021 Chevrolet Silverado 1500 Custom

2021 Chevrolet Silverado 1500View this vehicle at automaxx chrysler dodge jeep ram →

Vehicle Details

VIN1GCPYCEF4MZ386641
TrimCustom
Exterior ColorRed
Drivetrain4WD
Engine5.3L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot11

Federal records · buyer verification

2021 CHEVROLET SILVERADO 1500

A component is listed below if NHTSA records a vehicle recall campaign, a manufacturer warranty extension or service campaign, or at least 10 distinct consumer complaints.

Recall campaigns

NHTSA lists these campaigns as covering certain 2021 CHEVROLET SILVERADO 1500 vehicles. One campaign can list several components, so these do not sum to the 8 vehicle campaigns on record.

  • Engine1 campaign424 distinct complaints
  • Power Train2 campaigns233 distinct complaints
  • Air Bags1 campaign20 distinct complaints
  • Seat Belts2 campaignsno complaint count above OAV’s minimum of 10
  • Tires2 campaignsno complaint count above OAV’s minimum of 10

Federal law requires the manufacturer to remedy a safety recall at no cost to the owner — by repair, replacement or refund — for vehicles not more than 15 years old on the date the defect was determined.

Parts are sometimes on back-order and some remedies are interim, so a dealer may not be able to complete the work immediately. A specific vehicle’s current recall status is available through NHTSA’s VIN recall lookup.

CHEVROLET filed 1,441 other service communications for this model year, nearly all routine repair instructions. OAV lists only warranty extensions and service campaigns; routine bulletins are not listed.

These records describe the 2021 model-year, not any individual vehicle, and are not an inspection. One complaint can be recorded against more than one component, so counts do not sum to the model-year total. Service records for any component listed here are worth requesting from the seller. Showing 5 of 11 components with records above OAV’s publication floor — see all 11 for this model-year.

Complaints are unverified consumer reports submitted to NHTSA. Mileage is self-reported and frequently rounded. Complaint records as of 2026-09-18. Recall records as of 2026-09-18. Manufacturer communications as of 2026-09-18.

Custom

Unscored
$36,29946,813 mi

Milbank, SD 57252

Is this 2021 Chevrolet Silverado 1500 Custom a good deal?

OAV verdict: Unscored

Why: Listed at $36,299. OAV publishes a price verdict only when it has enough closely comparable listings to stand behind one. This listing did not clear that bar, so OAV withholds a verdict rather than guessing. Listed 11 days · fresher than most comparable local listings (typical ~15–105 days).

Market price position

OAV publishes a price verdict only when it has enough closely comparable listings to stand behind one. This listing did not clear that bar, so OAV withholds a verdict rather than guessing.

Automaxx Chrysler Dodge Jeep Ram

Milbank, SD

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

About This 2021 Chevrolet Silverado 1500

Listing updated: Sep 17, 2026

Listed by a franchise dealer in Milbank, SD · On lot for 11 days · VIN verifiable at NHTSA

This used 2021 Chevrolet Silverado 1500 Custom is listed at $36,299 by automaxx chrysler dodge jeep ram in Milbank, SD 57252. It has 46,813 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Red. It features a 4WD drivetrain with a 5.3L V8 engine and Automatic transmission.

OAV's independent, evidence-backed Price-to-Market analysis rates this vehicle as Unscored. OAV publishes a price verdict only when it has enough closely comparable listings to stand behind one. This listing did not clear that bar, so OAV withholds a verdict rather than guessing.

This vehicle has been on the lot for 11 days.

Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477). Verdict methodology ptm-verdict-v1 · snapshot Sep 17, 2026. The patented comparable band is the input; ptm-verdict-v1 is the versioned OAV rule set that turns it into this verdict.

Market context

This listing is part of OAV's broader Milbank, SD trucks market analysis. OAV compares vehicles by local and regional price-to-market ranges and comparable count; days-on-lot and demand signals are shown separately, not as verdict inputs.

How this deal is rated

OAV compares this 2021 Chevrolet Silverado 1500 against similar vehicles currently available for sale — same make, model, and year range, using trim where the data supports it. OAV does not adjust comparable prices for mileage; on used vehicles it withholds a verdict when mileage would distort the comparison — very high or unreliable mileage, or a lower price better explained by higher-than-typical mileage than by a genuine market discount — rather than overstate a deal. Based on where this listing falls in that comparable set, it is rated:

  • Great Deal — priced below the comparable-range floor by a meaningful margin (OAV's minimum-gap rule); a listing below the floor by less than that margin is Fair Price.
  • 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 can surface additional verification signals, but commercial participation never changes a listing's Price-to-Market verdict, eligibility, ranking, or confidence.

How this listing is verified

This vehicle listing was aggregated from a franchise dealer in Milbank, SD, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GCPYCEF4MZ386641 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.

2021 Chevrolet Silverado 1500 Market in SD

SD Market Listings

179

Average Price

Price Range

Avg Days on Lot

100

Based on all 179 2019-2023 Chevrolet Silverado 1500 listings in the SD market. Because OAV has not assigned a reliable price verdict to this listing, it does not state how it compares to this broader average. Similar vehicles spend an average of 100 days on dealer lots in this market.

Similar Chevrolet Silverado 1500 Listings in SD

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

This is a broad, statewide same-model set (any trim, mileage, or title) — not the qualified comparable cohort behind the verdict above; lower prices here typically reflect a different trim, higher mileage, or a branded title.