U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
OAV
2018 BMW 4 Series

Vehicle Details

VINWBA4Z5C58JEA32999
Trim440i
Exterior ColorWhite
DrivetrainRWD
Engine3.0L I6
TransmissionAutomatic
Fuel TypePremium Unleaded
Inventory Typeused
Days on Lot8

2018 BMW 4 Series

440i

Unscored
$21,800115,599 miles

Silver Spring, MD 20904

Is this 2018 BMW 4 Series 440i a good deal?

OAV verdict: Unscored

Why: Listed at $21,800, comparable market range $11,987–$25,998, based on 6 comparable listings. Days on lot: 8 days (market average 22 days).

Market price position

11,987
25,998
21,800

$21,800 · within market range

$11,987comparable$25,998
Regional range
$11,987 – $25,998
vs. market
$9,813 above low · $4,198 below high
Comparable vehicles
6
Demand-Verified· Backed by recent sales data
High Demand

Similar vehicles recently sold in an estimated 1151 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$11,987 – $25,998

Dealer Info

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Silver Spring, MD

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About This 2018 BMW 4 Series

Listing updated: May 16, 2026

Listed by a franchise dealer in Silver Spring, MD · On lot for 8 days · VIN verifiable at NHTSA

This used 2018 BMW 4 Series 440i is listed at $21,800 by a franchise dealer in Silver Spring, MD 20904. It has 115,599 miles on the odometer. The exterior color is White. It features a RWD drivetrain with a 3.0L I6 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Unscored due to insufficient comparable data. Based on 6 similar vehicles in the Silver Spring market, the estimated market range is $11,987 to $25,998.

This vehicle has been on the lot for 8 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 Silver Spring, MD 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 2018 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:

This rating refreshes daily as inventory enters and leaves the market. The dealer on this listing has not yet activated on OAV, so the business name and contact details are anonymized here. Activated (paying) dealers appear with their verified business name and a Verified badge.

How this listing is verified

This vehicle listing was aggregated from a franchise dealer in Silver Spring, MD, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WBA4Z5C58JEA32999 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.

2018 BMW 4 Series Market in MD

Comparable Vehicles

67

Average Price

$21,466

Price Range

$11,995–$34,998

Avg Days on Lot

22

Based on 67 comparable 2016-2020 BMW 4 Series listings in MD, the average asking price is $21,466. This listing at $21,800 is $334 above average (2% above market). Comparable prices in MD range from $11,995 to $34,998. Similar vehicles spend an average of 22 days on dealer lots in this market.

Similar BMW 4 Series Listings in MD

8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: 440i — compare trims below)