U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
OAV
2021 BMW 3 Series

Vehicle Details

VIN3MW5R7J0XM8B61158
Trim330i
Exterior ColorBlue
Drivetrain4WD
Engine2.0L I4
TransmissionAutomatic
Fuel TypePremium Unleaded
Inventory Typeused
Days on Lot147

2021 BMW 3 Series

330i

Unscored
$18,80099,176 miles

Dover, DE 19901

Market price position

25,900
27,999
18,800

$18,800 · $7,100 below market low

$25,900$27,999 comparable
Regional range
$25,900 – $27,999
vs. market low
— $7,100 (27% below)
Comparable vehicles
4
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1361 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$25,900 – $27,999

Dealer Info

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Dover, DE

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About This 2021 BMW 3 Series

Listing updated: May 15, 2026

Listed by a franchise dealer in Dover, DE · On lot for 147 days · VIN verifiable at NHTSA

This used 2021 BMW 3 Series 330i is listed at $18,800 by a franchise dealer in Dover, DE 19901. It has 99,176 miles on the odometer. The exterior color is Blue. It features a 4WD drivetrain with a 2.0L I4 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Unscored due to insufficient comparable data. Based on 4 similar vehicles in the Dover market, the estimated market range is $25,900 to $27,999.

This vehicle has been on the lot for 147 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 Dover, DE 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 2021 BMW 3 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 Dover, DE, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3MW5R7J0XM8B61158 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.

2021 BMW 3 Series Market in DE

Comparable Vehicles

67

Average Price

$29,346

Price Range

$17,995–$45,710

Avg Days on Lot

38

Based on 67 comparable 2019-2023 BMW 3 Series listings in DE, the average asking price is $29,346. This listing at $18,800 is $10,546 below average (36% below market). Comparable prices in DE range from $17,995 to $45,710. Similar vehicles spend an average of 38 days on dealer lots in this market.

Similar BMW 3 Series Listings in DE

8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: 330i — compare trims below)