U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
OAV
2021 BMW 4 Series

Vehicle Details

VINWBA23AT02MCH52224
Trim430i
Exterior ColorBlack
DrivetrainRWD
Engine2.0L I4
TransmissionAutomatic
Fuel TypePremium Unleaded
Inventory Typeused
Days on Lot155

2021 BMW 4 Series

430i

Overpriced
$43,5896,304 mi

Marietta, GA 30060

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

OAV verdict: Overpriced

Why: Listed at $43,589, comparable market range $25,987–$39,544, based on 28 comparable listings. Days on lot: 155 days (market average 35 days).

Market price position

25,987
39,544
43,589

$43,589 · $4,045 above market high

$25,987comparable$39,544
Regional range
$25,987 – $39,544
vs. market high
+ $4,045 (10% above)
Comparable vehicles
28
Demand-Verified· Backed by recent sales data
High Demand

Similar vehicles recently sold in an estimated 1551 days.

What does Demand-Verified mean?

Verify before inquiring
  • This listing has been on market about 3.0x longer than typical for similar vehicles (cohort sells in 15–51 days; this one is at 155). Long days-on-lot on a fast-turn cohort can signal title concerns, mechanical issues, or pricing the dealer won't actually honor. Recommend a vehicle history report before spending more time.

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$25,987 – $39,544

Dealer Info

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Marietta, GA

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About This 2021 BMW 4 Series

Listing updated: May 20, 2026

Listed by an independent dealer in Marietta, GA · On lot for 155 days · VIN verifiable at NHTSA

This used 2021 BMW 4 Series 430i is listed at $43,589 by an independent dealer in Marietta, GA 30060. It has 6,304 miles on the odometer. The exterior color is Black. 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 Overpriced — priced above market value. Based on 28 similar vehicles in the Marietta market, the estimated market range is $25,987 to $39,544.

This vehicle has been on the lot for 155 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 Marietta, GA 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 an independent dealer in Marietta, GA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WBA23AT02MCH52224 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 GA

Comparable Vehicles

434

Average Price

$34,120

Price Range

$13,995–$54,940

Avg Days on Lot

35

Based on 434 comparable 2019-2023 BMW 4 Series listings in GA, the average asking price is $34,120. This listing at $43,589 is $9,469 above average (28% above market). Comparable prices in GA range from $13,995 to $54,940. Similar vehicles spend an average of 35 days on dealer lots in this market.

Similar BMW 4 Series Listings in GA

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