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

2018 BMW 4 Series 430i

2018 BMW 4 SeriesView this vehicle at a+ auto sales →

Vehicle Details

VINWBA4Z1C54JEC60748
Trim430i
Exterior ColorRed
DrivetrainRWD
Engine2.0L I4
TransmissionAutomatic
Fuel TypePremium Unleaded
Inventory Typeused
Days on Lot3

430i

Fair Price
$15,931105,148 mi

West Chester, OH 45069

Is this 2018 BMW 4 Series 430i a good deal?

OAV verdict: Fair Price

Why: Listed at $15,931, comparable market range $13,493–$19,102, based on 14 comparable listings.

Market context (not a verdict input): Listed 3 days.

Market price position

$15,931 · within market range

Comparable range
$13,493 – $19,102
vs. market
$2,438 above low · $3,171 below high
Comparable vehicles
14

Market Retail Price (MRP™)

$16,298

This vehicle $15,931 · $367 (2%) 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™)

$15,153

This vehicle $15,931 · $778 (5%) above TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-09-26) — an estimate, not an appraisal. How TRV works.

Comparable vehicles nationally recently sold in an estimated 11–49 days.

What does Demand-Verified mean?

Local Market Range

Comparable listings in this vehicle's local market, rebuilt from the market snapshot shown above.

Local Range$13,493 – $19,102

A+ Auto Sales

West Chester, OH

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About This 2018 BMW 4 Series

Listing updated: Sep 26, 2026

Listed by an independent dealer in West Chester, OH · On lot for 3 days · VIN verifiable at NHTSA

This used 2018 BMW 4 Series 430i is listed at $15,931 by a+ auto sales in West Chester, OH 45069. It has 105,148 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Red. 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 in line with the supported comparable range. Based on 14 comparable listings matched to this vehicle, the estimated market range is $13,493 to $19,102. The local comparable range around West Chester, OH is $13,493 to $19,102; the local cohort is drawn around this dealer's market and can include listings across a state line. These comparisons match year, make, and model, using trim where the data supports it. OAV does not adjust comparable prices for mileage — every price shown is the real advertised price. On used vehicles, mileage can still cause OAV to withhold a verdict — very high or unreliable mileage, or a lower price better explained by higher-than-typical mileage than by a genuine market discount — rather than call it a deal it can't support.

This vehicle has been on the lot for 3 days.

Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477). Verdict methodology ptm-verdict-v1 · snapshot Sep 26, 2026. The comparable band (patent pending) 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 West Chester, OH convertibles market analysis. OAV rates each vehicle against its comparable range and comparable count — local-first, widening the comparison set only when local inventory is too thin to support a reliable range; days-on-lot and demand signals are shown separately, not as verdict inputs.

How this deal is rated

OAV compares this 2018 BMW 4 Series 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 at least OAV's minimum-gap margin; a smaller gap under the floor is Fair Price.
  • Fair Price — priced within the comparable range, or below the floor by less than that margin.
  • Overpriced — priced above the comparable range.
  • Unscored — OAV withholds a verdict when the evidence cannot support one: too few or too widely spread comparables, a price it cannot validate, a branded or salvage title, or mileage that would distort the comparison. The listing stays visible; only the rating is withheld.

Listings show OAV's Price-to-Market verdict and live market context for every dealer's inventory, whether or not the dealer has any relationship with OAV. A dealer that claims its listings can manage its profile and have buyer inquiries routed to it directly. A paying partner's own listings additionally carry an OAV Verified Partner label on the dealer contact block and a link to the dealer's own listing page. That is the complete list of what a relationship with OAV changes, and all of it concerns the dealer's identity on its own listings. Payment never changes a vehicle's verdict, its eligibility to be scored or cited, the evidence shown or withheld, or where and how prominently the listing appears on any OAV page, board, or answer. There is no paid placement, ranking, ordering, verdict badge, or featured position of any kind. OAV sells dealers insight into the evidence, never influence over it.

How this listing is verified

This vehicle listing was aggregated from an independent dealer in West Chester, OH, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WBA4Z1C54JEC60748 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 vehicle market standardization technology (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.

2018 BMW 4 Series Market in OH

OH Market Listings

45

Average Price

$18,707

Price Range

$12,466–$29,574

Avg Days on Lot

93

Based on all 45 2016-2020 BMW 4 Series listings in the OH market, the average asking price is $18,707. This listing at $15,931 is $2,776 below the broader OH average (15% below the OH average). This is a wider, all-trim comparison across OH; OAV's price verdict above uses the closer comparable set. Comparable prices in OH range from $12,466 to $29,574. Similar vehicles spend an average of 93 days on dealer lots in this market.

Similar BMW 4 Series Listings in OH

8 similar listings shown (closest matches by model year and mileage) (subject trim: 430i — 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.