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

2021 Chevrolet Blazer RS

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Vehicle Details

VIN3GNKBKRS7MS570666
TrimRS
Exterior ColorBlack
Drivetrain4WD
Engine3.6L V6
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot10

RS

Great Deal
$20,17699,853 mi

Philadelphia, PA 19153

Is this 2021 Chevrolet Blazer RS a good deal?

OAV verdict: Great Deal

Why: Listed at $20,176, comparable market range $25,998–$27,498, based on 12 comparable listings. Days on lot: 10 days (market average 130 days).

Market price position

$20,176 · $5,822 below market low

Comparable range
$25,998 – $27,498
vs. market low
— $5,822 (22% below)
Comparable vehicles
12

Market Retail Price (MRP™)

$26,748

This vehicle $20,176 · $6,572 (25%) below MRP

MRP™ is the midpoint of the comparable market range — the representative price the market is asking for similar vehicles. How MRP works.

True Retail Value (TRV™)

$22,718

This vehicle $20,176 · $2,542 (11%) below TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-08-09) — an estimate, not an appraisal. How TRV works.

Comparable vehicles nationally recently sold in an estimated 1761 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$25,998 – $27,498

Drive Philadelphia

Philadelphia, PA

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

About This 2021 Chevrolet Blazer

Listing updated: Aug 9, 2026

Listed by an independent dealer in Philadelphia, PA · On lot for 10 days · VIN verifiable at NHTSA

This used 2021 Chevrolet Blazer RS is listed at $20,176 by drive philadelphia in Philadelphia, PA 19153. It has 99,853 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Black. It features a 4WD drivetrain with a 3.6L V6 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as a Great Deal — priced below market value. Based on 12 comparable listings matched to this vehicle, the estimated market range is $25,998 to $27,498. These comparisons match year, make, and model and may currently span trims and configurations (trim-level matching is rolling out).

This vehicle has been on the lot for 10 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 Philadelphia, PA suvs 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 Blazer 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 Philadelphia, PA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GNKBKRS7MS570666 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.

2021 Chevrolet Blazer Market in PA

PA Market Listings

263

Average Price

$27,081

Price Range

$8,300–$47,444

Avg Days on Lot

130

Based on all 263 2019-2023 Chevrolet Blazer listings in the PA market, the average asking price is $27,081. This listing at $20,176 is $6,905 below the broader PA average (25% below the PA average). This is a wider, all-trim comparison across PA; OAV's price verdict above uses the closer comparable set. Comparable prices in PA range from $8,300 to $47,444. Similar vehicles spend an average of 130 days on dealer lots in this market.

Similar Chevrolet Blazer Listings in PA

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