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

VINZAM56YRS8J1295069
TrimS GranSport
Exterior ColorGray
Drivetrain4WD
Engine3.0L V6
TransmissionAutomatic
Fuel TypePremium Unleaded
Inventory Typeused
Days on Lot256

2018 Maserati Quattroporte

S GranSport

Unscored
$20,99569,936 mi

Brockton, MA 02301

Is this 2018 Maserati Quattroporte S GranSport a good deal?

OAV verdict: Unscored

Why: Listed at $20,995, comparable market range $20,995–$20,995. Days on lot: 256 days (market average 74 days).

Market price position

$20,995 · only listing at this price

$20,995 — single data point
Regional range
$20,995 (0 listings)
vs. market
Exact match — no spread
Comparable vehicles
0

Market Retail Price (MRP™)

$20,995

This vehicle $20,995 · priced at MRP

MRP™ is the midpoint of the comparable market range — the representative price the market is asking for similar vehicles. How MRP works.

True Retail Value (TRV™)

$21,403

This vehicle $20,995 · $408 (2%) below TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-07-25) — an estimate, not an appraisal. How TRV works.

Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 24109 days.

Avon Auto Brokers

Brockton, MA

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

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Request availability and out-the-door price

OAV will route your inquiry to Avon Auto Brokers for current availability of this 2018 Maserati Quattroporte S GranSport and an out-the-door price quote (taxes, fees, addons included).

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

About This 2018 Maserati Quattroporte

Listing updated: Jul 25, 2026

Listed by an independent dealer in Brockton, MA · On lot for 256 days · VIN verifiable at NHTSA

This used 2018 Maserati Quattroporte S GranSport is listed at $20,995 by avon auto brokers in Brockton, MA 02301. It has 69,936 miles on the odometer. The exterior color is Gray. It features a 4WD drivetrain with a 3.0L V6 engine and Automatic 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 Brockton market, the estimated market range is $20,995 to $20,995.

This vehicle has been on the lot for 256 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 Brockton, MA 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 Maserati Quattroporte 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 an independent dealer in Brockton, MA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN ZAM56YRS8J1295069 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 Maserati Quattroporte Market in MA

Comparable Vehicles

7

Average Price

$23,068

Price Range

$13,100–$27,595

Avg Days on Lot

74

Based on 7 comparable 2016-2020 Maserati Quattroporte listings in MA, the average asking price is $23,068. This listing at $20,995 is $2,073 below average (9% below market). Comparable prices in MA range from $13,100 to $27,595. Similar vehicles spend an average of 74 days on dealer lots in this market.

Similar Maserati Quattroporte Listings in MA

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