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

2021 BMW 4 Series 430i

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Vehicle Details

VINWBA23AT00MCH23787
Trim430i
Exterior ColorBlue
DrivetrainRWD
Engine2.0L I4
TransmissionAutomatic
Fuel TypePremium Unleaded
Inventory Typeused
Days on Lot93

430i

Fair Price
$42,9919,996 mi

St. Petersburg, FL 33713

Is this 2021 BMW 4 Series 430i a good deal?

OAV verdict: Fair Price

Why: Listed at $42,991, comparable market range $23,399–$44,080, based on 29 comparable listings. Days on lot: 93 days (market average 63 days).

Market price position

$42,991 · within market range

Comparable range
$23,399 – $44,080
vs. market
$19,592 above low · $1,089 below high
Comparable vehicles
29

Market Retail Price (MRP™)

$33,740

This vehicle $42,991 · $9,251 (27%) above 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™)

$36,050

This vehicle $42,991 · $6,941 (19%) above TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-08-18) — an estimate, not an appraisal. How TRV works.

Fast-selling model · older listing

Comparable vehicles nationally have sold faster than the market baseline, but this listing has been available longer than the cohort’s typical sell-time (about 1350 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 are rebuilt from the market snapshot shown above.

Regional Range$23,399 – $44,080

Genuine Motorcars Inc.

St. Petersburg, FL

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

About This 2021 BMW 4 Series

Listing updated: Aug 17, 2026

Listed by an independent dealer in St. Petersburg, FL · On lot for 93 days · VIN verifiable at NHTSA

This used 2021 BMW 4 Series 430i is listed at $42,991 by genuine motorcars inc. in St. Petersburg, FL 33713. It has 9,996 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Blue. It features a RWD drivetrain with a 2.0L I4 engine and Automatic transmission.

OAV's independent, evidence-backed Price-to-Market analysis rates this vehicle as Fair Price — priced at market value. Based on 29 comparable listings matched to this vehicle, the estimated market range is $23,399 to $44,080. These comparisons match year, make, model, and market, using trim where trim data supports it. OAV does not adjust comparables for odometer — where mileage would distort a verdict, it withholds one instead.

This vehicle has been on the lot for 93 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 St. Petersburg, FL convertibles 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 BMW 4 Series against similar vehicles currently available in the local and regional market — same make, model, and year range, using trim where trim data supports it. OAV does not adjust comparables for odometer; on very high-mileage vehicles it withholds a verdict rather than overstate a discount the odometer explains. 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 St. Petersburg, FL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WBA23AT00MCH23787 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 BMW 4 Series Market in FL

FL Market Listings

219

Average Price

$30,810

Price Range

$10,670–$60,584

Avg Days on Lot

63

Based on all 219 2019-2023 BMW 4 Series listings in the FL market, the average asking price is $30,810. This listing at $42,991 is $12,181 above the broader FL average (40% above the FL average). This is a wider, all-trim comparison across FL; OAV's price verdict above uses the closer comparable set. Comparable prices in FL range from $10,670 to $60,584. Similar vehicles spend an average of 63 days on dealer lots in this market.

Similar BMW 4 Series Listings in FL

8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: 430i — compare trims below)