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

VINWBA23AT02MCG81266
Trim430i
Exterior ColorBlue
DrivetrainRWD
Engine2.0L I4
TransmissionAutomatic
Fuel TypePremium Unleaded
Inventory Typeused
Days on Lot20

2021 BMW 4 Series

430i

Fair Price
$35,50525,075 mi

Costa Mesa, CA 92626

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

OAV verdict: Fair Price

Why: Listed at $35,505, comparable market range $20,300–$40,000, based on 27 comparable listings. Days on lot: 20 days (market average 38 days).

Market price position

20,300
40,000
35,505

$35,505 · within market range

$20,300comparable$40,000
Regional range
$20,300 – $40,000
vs. market
$15,205 above low · $4,495 below high
Comparable vehicles
27
Demand-Verified· Backed by recent sales data
High Demand

Similar vehicles recently sold in an estimated 1551 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$20,300 – $40,000

Dealer Info

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Costa Mesa, CA

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About This 2021 BMW 4 Series

Listing updated: May 24, 2026

Listed by a franchise dealer in Costa Mesa, CA · On lot for 20 days · VIN verifiable at NHTSA

This used 2021 BMW 4 Series 430i is listed at $35,505 by a franchise dealer in Costa Mesa, CA 92626. It has 25,075 miles on the odometer. The exterior color is Blue. It features a RWD drivetrain with a 2.0L 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 27 similar vehicles in the Costa Mesa market, the estimated market range is $20,300 to $40,000.

This vehicle has been on the lot for 20 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 Costa Mesa, CA 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, filtered for comparable mileage. Based on where this listing falls in that comparable set, it is rated:

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 a franchise dealer in Costa Mesa, CA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WBA23AT02MCG81266 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 BMW 4 Series Market in CA

Comparable Vehicles

553

Average Price

$33,780

Price Range

$11,995–$56,496

Avg Days on Lot

38

Based on 553 comparable 2019-2023 BMW 4 Series listings in CA, the average asking price is $33,780. This listing at $35,505 is $1,725 above average (5% above market). Comparable prices in CA range from $11,995 to $56,496. Similar vehicles spend an average of 38 days on dealer lots in this market.

Similar BMW 4 Series Listings in CA

8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: 430i — compare trims below)