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

Vehicle Details

VIN1N4BL4EW8MN313199
TrimSL
Exterior ColorBlack
Drivetrain4WD
Engine2.5L I4
TransmissionCVT
Fuel TypeUnleaded
Inventory Typeused
Days on Lot22

2021 Nissan Altima

SL

Unscored
$20,47246,576 mi

Allentown, PA 18104

Is this 2021 Nissan Altima SL a good deal?

OAV verdict: Unscored

Why: Listed at $20,472, comparable market range $20,472–$20,472. Days on lot: 22 days (market average 46 days).

Market price position

20,472
20,472
20,472

$20,472 · only listing at this price

$20,472 — single data point
Regional range
$20,472 (0 listings)
vs. market
Exact match — no spread
Comparable vehicles
0
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1469 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$22,488 – $22,488

Dealer Info

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Allentown, PA

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About This 2021 Nissan Altima

Listing updated: May 19, 2026

Listed by a franchise dealer in Allentown, PA · On lot for 22 days · VIN verifiable at NHTSA

This used 2021 Nissan Altima SL is listed at $20,472 by a franchise dealer in Allentown, PA 18104. It has 46,576 miles on the odometer. The exterior color is Black. It features a 4WD drivetrain with a 2.5L I4 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 Allentown market, the estimated market range is $20,472 to $20,472.

This vehicle has been on the lot for 22 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 Allentown, PA 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 Nissan Altima 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 Allentown, PA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1N4BL4EW8MN313199 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 Nissan Altima Market in PA

Comparable Vehicles

1,389

Average Price

$20,721

Price Range

$5,700–$32,815

Avg Days on Lot

46

Based on 1,389 comparable 2019-2023 Nissan Altima listings in PA, the average asking price is $20,721. This listing at $20,472 is $249 below average (1% below market). Comparable prices in PA range from $5,700 to $32,815. Similar vehicles spend an average of 46 days on dealer lots in this market.

Similar Nissan Altima Listings in PA

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