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

2018 Nissan Altima SL

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Vehicle Details

VIN1N4AL3AP9JC134925
TrimSL
Exterior ColorSilver
DrivetrainFWD
Engine2.5L I4
TransmissionCVT
Fuel TypeUnleaded
Inventory Typeused
Days on Lot20

SL

Unscored
$3,899194,000 mi

Philadelphia, PA 19141

Is this 2018 Nissan Altima SL a good deal?

OAV verdict: Unscored

Why: Listed at $3,899. OAV found only 7 comparable listings — too few for a reliable market range or verdict. Days on lot: 20 days (market average 93 days).

Market price position

Limited comparable data — OAV has not assigned a reliable market verdict to this listing yet.

Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1058 days.

Verify before inquiring
  • This listing is priced about 54% below the lowest comparable vehicle in the regional market. Discounts at this scale frequently indicate accident damage, branded title (salvage or rebuilt), or undisclosed mechanical issues. Strongly recommend pulling a vehicle history report and inspecting listing photos carefully before inquiring.

Market Breakdown

Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges are rebuilt from the market snapshot shown above.

Regional Range$8,475 – $12,017

Gm Automotive Group

Philadelphia, PA

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

About This 2018 Nissan Altima

Listing updated: Jul 31, 2026

Listed by an independent dealer in Philadelphia, PA · On lot for 20 days · VIN verifiable at NHTSA

This used 2018 Nissan Altima SL is listed at $3,899 by gm automotive group in Philadelphia, PA 19141. It has 194,000 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Silver. It features a FWD 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. OAV has not assigned a reliable comparable market range for this vehicle yet — the comparable set is too limited.

This vehicle has been on the lot for 20 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 Philadelphia, 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 2018 Nissan Altima against similar vehicles currently available in the local and regional market — same make, model, and year range (currently across available trims and configurations; trim-level matching is rolling out), filtered for comparable mileage. Based on where this listing falls in that comparable set, it is rated:

  • Great Deal — priced below the typical range for comparable vehicles.
  • 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 surface additional verification signals.

How this listing is verified

This vehicle listing was aggregated from an independent dealer in Philadelphia, PA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1N4AL3AP9JC134925 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 within the same geographic market.

2018 Nissan Altima Market in PA

PA Market Listings

197

Average Price

$12,487

Price Range

$2,900–$25,999

Avg Days on Lot

93

Based on all 197 2016-2020 Nissan Altima listings in the PA market, the average asking price is $12,487. Because OAV has not assigned a reliable price verdict to this listing, it does not state how it compares to this broader average. Comparable prices in PA range from $2,900 to $25,999. Similar vehicles spend an average of 93 days on dealer lots in this market.

Similar Nissan Altima Listings in PA

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