U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
OAV
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Vehicle Details

VIN5UXTY9C08M9H84811
Trim40i
Exterior ColorGray
Drivetrain4WD
Engine3.0L I6
TransmissionAutomatic
Fuel TypePremium Unleaded
Inventory Typeused
Days on Lot26

2021 BMW X3

40i

Unscored
$39,99047,016 mi

Billings, MT 59106

Is this 2021 BMW X3 40i a good deal?

OAV verdict: Unscored

Why: Listed at $39,990, comparable market range $39,990–$39,990. Days on lot: 26 days (market average 68 days).

Market price position

39,990
39,990
39,990

$39,990 · only listing at this price

$39,990 — single data point
Regional range
$39,990 (0 listings)
vs. market
Exact match — no spread
Comparable vehicles
0
Demand-Verified· Backed by recent sales data
Faster-than-average sell-through

Similar vehicles recently sold in an estimated 1237 days.

What does Demand-Verified mean?

Underriner Volkswagen Of Billings

Billings, MT

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

View all vehicles from underriner volkswagen of billings

Request availability and out-the-door price

OAV will route your inquiry to Underriner Volkswagen Of Billings for current availability of this 2021 BMW X3 40i and an out-the-door price quote (taxes, fees, addons included).

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

About This 2021 BMW X3

Listing updated: Jul 4, 2026

Listed by a franchise dealer in Billings, MT · On lot for 26 days · VIN verifiable at NHTSA

This used 2021 BMW X3 40i is listed at $39,990 by underriner volkswagen of billings in Billings, MT 59106. It has 47,016 miles on the odometer. The exterior color is Gray. It features a 4WD 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 available similar vehicles in the Billings market, the estimated market range is $39,990 to $39,990.

This vehicle has been on the lot for 26 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 Billings, MT suvs 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 X3 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:

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 surface additional verification signals.

How this listing is verified

This vehicle listing was aggregated from a franchise dealer in Billings, MT, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 5UXTY9C08M9H84811 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 X3 Market in MT

Comparable Vehicles

15

Average Price

$33,493

Price Range

$22,950–$39,990

Avg Days on Lot

68

Based on 15 comparable 2019-2023 BMW X3 listings in MT, the average asking price is $33,493. This listing at $39,990 is $6,497 above average (19% above market). Comparable prices in MT range from $22,950 to $39,990. Similar vehicles spend an average of 68 days on dealer lots in this market.

Similar BMW X3 Listings in MT

6 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: 40i — compare trims below)