U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
OAV
2021 Subaru Outback

Vehicle Details

VIN4S4BTGLD2M3131230
TrimOnyx Edition
Exterior ColorBlack
Drivetrain4WD
Engine2.4L H4
TransmissionCVT
Fuel TypeUnleaded
Inventory Typeused
Days on Lot10

2021 Subaru Outback

Onyx Edition

Unscored
$25,99853,062 miles

South Portland, ME 04106

Is this 2021 Subaru Outback Onyx Edition a good deal?

OAV verdict: Unscored

Why: Listed at $25,998, comparable market range $25,998–$25,998. Days on lot: 10 days (market average 50 days).

Market price position

25,998
25,998
25,998

$25,998 · only listing at this price

$25,998 — single data point
Regional range
$25,998 (0 listings)
vs. market
Exact match — no spread
Comparable vehicles
0
Demand-Verified· Backed by recent sales data
High Demand

Similar vehicles recently sold in an estimated 734 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$25,474 – $25,474

Dealer Info

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South Portland, ME

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About This 2021 Subaru Outback

Listing updated: May 16, 2026

Listed by an independent dealer in South Portland, ME · On lot for 10 days · VIN verifiable at NHTSA

This used 2021 Subaru Outback Onyx Edition is listed at $25,998 by an independent dealer in South Portland, ME 04106. It has 53,062 miles on the odometer. The exterior color is Black. It features a 4WD drivetrain with a 2.4L H4 engine and CVT 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 South Portland market, the estimated market range is $25,998 to $25,998.

This vehicle has been on the lot for 10 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 South Portland, ME wagons 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 Subaru Outback 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 South Portland, ME, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 4S4BTGLD2M3131230 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 Subaru Outback Market in ME

Comparable Vehicles

180

Average Price

$23,741

Price Range

$7,995–$32,995

Avg Days on Lot

50

Based on 180 comparable 2019-2023 Subaru Outback listings in ME, the average asking price is $23,741. This listing at $25,998 is $2,257 above average (10% above market). Comparable prices in ME range from $7,995 to $32,995. Similar vehicles spend an average of 50 days on dealer lots in this market.

Similar Subaru Outback Listings in ME

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