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

2021 Nissan Altima SR

2021 Nissan AltimaView this vehicle at robert street auto sales →

Vehicle Details

VIN1N4BL4CV9MN415606
TrimSR
Exterior ColorBlack
DrivetrainFWD
Engine2.5L I4
TransmissionCVT
Fuel TypeUnleaded
Inventory Typeused
Days on Lot116

SR

Unscored
$16,34573,000 mi

Saint Paul, MN 55107

Is this 2021 Nissan Altima SR a good deal?

OAV verdict: Unscored

Why: Listed at $16,345. OAV publishes a price verdict only when it has enough closely comparable listings to stand behind one. This listing did not clear that bar, so OAV withholds a verdict rather than guessing. Listed 116 days.

Market price position

OAV publishes a price verdict only when it has enough closely comparable listings to stand behind one. This listing did not clear that bar, so OAV withholds a verdict rather than guessing.

Robert Street Auto Sales

Saint Paul, MN

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

About This 2021 Nissan Altima

Listing updated: Sep 19, 2026

Listed by an independent dealer in Saint Paul, MN · On lot for 116 days · VIN verifiable at NHTSA

This used 2021 Nissan Altima SR is listed at $16,345 by robert street auto sales in Saint Paul, MN 55107. It has 73,000 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Black. It features a FWD drivetrain with a 2.5L I4 engine and CVT transmission.

OAV's independent, evidence-backed Price-to-Market analysis rates this vehicle as Unscored. OAV publishes a price verdict only when it has enough closely comparable listings to stand behind one. This listing did not clear that bar, so OAV withholds a verdict rather than guessing.

This vehicle has been on the lot for 116 days.

Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477). Verdict methodology ptm-verdict-v1 · snapshot Sep 19, 2026. The patented comparable band is the input; ptm-verdict-v1 is the versioned OAV rule set that turns it into this verdict.

Market context

This listing is part of OAV's broader Saint Paul, MN sedans market analysis. OAV compares vehicles by local and regional price-to-market ranges and comparable count; days-on-lot and demand signals are shown separately, not as verdict inputs.

How this deal is rated

OAV compares this 2021 Nissan Altima against similar vehicles currently available for sale — same make, model, and year range, using trim where the data supports it. OAV does not adjust comparable prices for mileage; on used vehicles it withholds a verdict when mileage would distort the comparison — very high or unreliable mileage, or a lower price better explained by higher-than-typical mileage than by a genuine market discount — rather than overstate a deal. Based on where this listing falls in that comparable set, it is rated:

  • Great Deal — priced below the comparable-range floor by a meaningful margin (OAV's minimum-gap rule); a listing below the floor by less than that margin is Fair Price.
  • Fair Price — priced within the expected range for comparable vehicles.
  • Overpriced — priced above the typical range for comparable vehicles.

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 can surface additional verification signals, but commercial participation never changes a listing's Price-to-Market verdict, eligibility, ranking, or confidence.

How this listing is verified

This vehicle listing was aggregated from an independent dealer in Saint Paul, MN, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1N4BL4CV9MN415606 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 processed daily; Price-to-Market analysis uses comparable vehicles.

2021 Nissan Altima Market in MN

MN Market Listings

69

Average Price

Price Range

Avg Days on Lot

53

Based on all 69 2019-2023 Nissan Altima listings in the MN market. Because OAV has not assigned a reliable price verdict to this listing, it does not state how it compares to this broader average. Similar vehicles spend an average of 53 days on dealer lots in this market.

Similar Nissan Altima Listings in MN

8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: SR — compare trims below)

This is a broad, statewide same-model set (any trim, mileage, or title) — not the qualified comparable cohort behind the verdict above; lower prices here typically reflect a different trim, higher mileage, or a branded title.