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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 byrd dawgs automotive group llc →

Vehicle Details

VINWBA4Z1C58JEC71784
Trim430i
Exterior ColorWhite
DrivetrainRWD
Engine2.0L I4
TransmissionAutomatic
Fuel TypePremium Unleaded
Inventory Typeused
Days on Lot80

430i

Fair Price
$18,700Mileage not verified

Mableton, GA 30126

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

OAV verdict: Fair Price

Why: Listed at $18,700, comparable market range $9,999–$24,990, based on 40 comparable listings. Listed 80 days · longer than most comparable local listings (typical ~15–75 days).

Market price position

$18,700 · within market range

Comparable range
$9,999 – $24,990
vs. market
$8,701 above low · $6,290 below high
Comparable vehicles
40

Market Retail Price (MRP™)

$17,495

This vehicle $18,700 · $1,205 (7%) 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™)

$17,767

This vehicle $18,700 · $933 (5%) above TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-09-15) — 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 1149 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.

Local Range$12,000 – $13,800
Regional Range$9,999 – $24,990

Byrd Dawgs Automotive Group Llc

Mableton, GA

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

About This 2018 BMW 4 Series

Listing updated: Sep 15, 2026

Listed by an independent dealer in Mableton, GA · On lot for 80 days · VIN verifiable at NHTSA

This used 2018 BMW 4 Series 430i is listed at $18,700 by byrd dawgs automotive group llc in Mableton, GA 30126. The exterior color is White. 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 40 comparable listings matched to this vehicle, the estimated market range is $9,999 to $24,990. The comparable range in GA is $12,000 to $13,800. 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 80 days.

Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477). Verdict methodology ptm-verdict-v1 · snapshot Sep 15, 2026. The patented comparable band 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 Mableton, GA convertibles market analysis. OAV compares vehicles by local and regional price-to-market ranges and comparable count; 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 a meaningful margin (OAV's minimum-gap rule); a listing below the floor by less than that margin is Fair Price.
  • 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 can surface additional verification signals, but commercial participation never changes a listing's Price-to-Market verdict, eligibility, ranking, or confidence.

How this listing is verified

This vehicle listing was aggregated from an independent dealer in Mableton, GA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WBA4Z1C58JEC71784 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.

2018 BMW 4 Series Market in GA

GA Market Listings

94

Average Price

$17,185

Price Range

$11,458–$24,888

Avg Days on Lot

84

Based on all 94 2016-2020 BMW 4 Series listings in the GA market, the average asking price is $17,185. This listing at $18,700 is $1,515 above the broader GA average (9% above the GA average). This is a wider, all-trim comparison across GA; OAV's price verdict above uses the closer comparable set. Comparable prices in GA range from $11,458 to $24,888. Similar vehicles spend an average of 84 days on dealer lots in this market.

Similar BMW 4 Series Listings in GA

8 similar listings shown (closest matches within ±2 model years) (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.