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

Vehicle Details

VIN1GKKNLLS3MZ122723
TrimAT4
Exterior ColorRed
Drivetrain4WD
Engine3.6L V6
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot17
Days on Market98

2021 GMC Acadia

AT4

Great Deal
$23,39987,378 miles

Braintree, MA 02184

Market price position

23,999
26,977
23,399

$23,399 · $600 below market low

$23,999comparable$26,977
Regional range
$23,999 – $26,977
vs. market low
— $600 (3% below)
Comparable vehicles
14
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1985 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$23,999 – $26,977

Dealer Info

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Braintree, MA

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About This 2021 GMC Acadia

Listing updated: May 13, 2026

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

This used 2021 GMC Acadia AT4 is listed at $23,399 by a franchise dealer in Braintree, MA 02184. It has 87,378 miles on the odometer. The exterior color is Red. It features a 4WD drivetrain with a 3.6L V6 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as a Great Deal — priced below market value. Based on 14 similar vehicles in the Braintree market, the estimated market range is $23,999 to $26,977.

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 Braintree, MA suvs 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 GMC Acadia 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 Braintree, MA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GKKNLLS3MZ122723 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.