U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
OAV
2018 BMW M4 Convertible

Vehicle Details

VINWBS4Z9C54JED22613
TrimBase
Exterior ColorGray
DrivetrainRWD
Engine3.0L I6
TransmissionAutomatic
Fuel TypePremium Unleaded
Inventory Typeused
Days on Lot203
Days on Market260

2018 BMW M4 Convertible

Base

Unscored
$43,99533,581 miles

Warwick, RI 02886

Market price position

55,497
55,497
43,995

$43,995 · $11,502 below the market benchmark

$55,497 — single data point
Regional range
$55,497 (8 listings)
vs. market low
— $11,502 (21% below)
Comparable vehicles
8
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 2294 days.

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$55,497 – $55,497

Dealer Info

Hidden
Hidden

Warwick, RI

This dealer is not yet on OAV

Request a connection and we'll notify the dealer you're interested

View all vehicles from this independent dealer in Warwick, RI

About This 2018 BMW M4 Convertible

Listing updated: May 13, 2026

Listed by an independent dealer in Warwick, RI · On lot for 203 days · VIN verifiable at NHTSA

This used 2018 BMW M4 Convertible Base is listed at $43,995 by an independent dealer in Warwick, RI 02886. It has 33,581 miles on the odometer. The exterior color is Gray. 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 8 similar vehicles in the Warwick market, the estimated market range is $55,497 to $55,497.

This vehicle has been on the lot for 203 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 Warwick, RI 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 M4 Convertible 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 an independent dealer in Warwick, RI, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WBS4Z9C54JED22613 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 M4 Convertible Market in RI

Comparable Vehicles

2

Average Price

$49,746

Price Range

$43,995–$55,497

Avg Days on Lot

107

Based on 2 comparable 2016-2020 BMW M4 Convertible listings in RI, the average asking price is $49,746. This listing at $43,995 is $5,751 below average (12% below market). Comparable prices in RI range from $43,995 to $55,497. Similar vehicles spend an average of 107 days on dealer lots in this market.

Similar BMW M4 Convertible Listings in RI

1 comparable vehicle with similar year and mileage