U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
OAV
2018 BMW 5 Series

Vehicle Details

VINWBAJB9C51JB035059
TrimM550i
Exterior ColorBlue
Drivetrain4WD
Engine4.4L V8
TransmissionAutomatic
Fuel TypePremium Unleaded
Inventory Typeused
Days on Lot181

2018 BMW 5 Series

M550i

Unscored
$24,99598,018 mi

Seattle, WA 98115

Is this 2018 BMW 5 Series M550i a good deal?

OAV verdict: Unscored

Why: Listed at $24,995, comparable market range $31,080–$31,080, based on 5 comparable listings. Days on lot: 181 days (market average 63 days).

Market price position

31,080
31,080
24,995

$24,995 · $6,085 below the market benchmark

$31,080 — single data point
Regional range
$31,080 (5 listings)
vs. market low
— $6,085 (20% below)
Comparable vehicles
5
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1168 days.

Verify before inquiring
  • This listing has been on market about 2.7x longer than typical for similar vehicles (cohort sells in 11–68 days; this one is at 181). 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$31,080 – $31,080

Dealer Info

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Seattle, WA

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About This 2018 BMW 5 Series

Listing updated: May 17, 2026

Listed by a franchise dealer in Seattle, WA · On lot for 181 days · VIN verifiable at NHTSA

This used 2018 BMW 5 Series M550i is listed at $24,995 by a franchise dealer in Seattle, WA 98115. It has 98,018 miles on the odometer. The exterior color is Blue. It features a 4WD drivetrain with a 4.4L V8 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Unscored due to insufficient comparable data. Based on 5 similar vehicles in the Seattle market, the estimated market range is $31,080 to $31,080.

This vehicle has been on the lot for 181 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 Seattle, WA sedans 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 5 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 Seattle, WA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WBAJB9C51JB035059 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 5 Series Market in WA

Comparable Vehicles

73

Average Price

$21,967

Price Range

$9,500–$37,988

Avg Days on Lot

63

Based on 73 comparable 2016-2020 BMW 5 Series listings in WA, the average asking price is $21,967. This listing at $24,995 is $3,028 above average (14% above market). Comparable prices in WA range from $9,500 to $37,988. Similar vehicles spend an average of 63 days on dealer lots in this market.

Similar BMW 5 Series Listings in WA

8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: M550i — compare trims below)