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

VIN1N4BL4EW3MN391096
TrimSL
Exterior ColorBlue
Drivetrain4WD
Engine2.5L I4
TransmissionCVT
Fuel TypeUnleaded
Inventory Typeused
Days on Lot17

2021 Nissan Altima

SL

Unscored
$19,263Mileage not verified

Groton, CT 06340

Is this 2021 Nissan Altima SL a good deal?

OAV verdict: Unscored

Why: Listed at $19,263, comparable market range $20,098–$22,256, based on 9 comparable listings. Days on lot: 17 days (market average 63 days).

Market price position

20,098
22,256
19,263

$19,263 · $835 below market low

$20,098comparable$22,256
Regional range
$20,098 – $22,256
vs. market low
— $835 (4% below)
Comparable vehicles
9
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$20,098 – $22,256

Dealer Info

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Groton, CT

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About This 2021 Nissan Altima

Listing updated: May 20, 2026

Listed by a franchise dealer in Groton, CT · On lot for 17 days · VIN verifiable at NHTSA

This used 2021 Nissan Altima SL is listed at $19,263 by a franchise dealer in Groton, CT 06340. The exterior color is Blue. 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 9 similar vehicles in the Groton market, the estimated market range is $20,098 to $22,256.

This vehicle has been on the lot for 17 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 Groton, CT 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:

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 Groton, CT, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1N4BL4EW3MN391096 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 CT

Comparable Vehicles

335

Average Price

$20,820

Price Range

$9,999–$27,792

Avg Days on Lot

63

Based on 335 comparable 2019-2023 Nissan Altima listings in CT, the average asking price is $20,820. This listing at $19,263 is $1,557 below average (7% below market). Comparable prices in CT range from $9,999 to $27,792. Similar vehicles spend an average of 63 days on dealer lots in this market.

Similar Nissan Altima Listings in CT

8 comparable vehicles within ±2 model years (subject trim: SL — compare trims below)