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

VIN3GTU9DEL6LG311899
TrimSLT
Exterior ColorWhite
Drivetrain4WD
Engine6.2L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot9

2020 GMC Sierra 1500

SLT

Overpriced
$38,92988,205 mi

Zachary, LA 70791

Is this 2020 GMC Sierra 1500 SLT a good deal?

OAV verdict: Overpriced

Why: Listed at $38,929, comparable market range $24,412–$38,461, based on 33 comparable listings. Days on lot: 9 days (market average 56 days).

Market price position

24,412
38,461
38,929

$38,929 · $468 above market high

$24,412comparable$38,461
Regional range
$24,412 – $38,461
vs. market high
+ $468 (1% above)
Comparable vehicles
33
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1669 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$24,412 – $38,461

Vaughn Ford Of Zachary

Zachary, LA

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

View all vehicles from vaughn ford of zachary

Request availability and out-the-door price

OAV will route your inquiry to Vaughn Ford Of Zachary for current availability of this 2020 GMC Sierra 1500 SLT 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 2020 GMC Sierra 1500

Listing updated: Jun 8, 2026

Listed by a franchise dealer in Zachary, LA · On lot for 9 days · VIN verifiable at NHTSA

This used 2020 GMC Sierra 1500 SLT is listed at $38,929 by vaughn ford of zachary in Zachary, LA 70791. It has 88,205 miles on the odometer. The exterior color is White. It features a 4WD drivetrain with a 6.2L V8 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Overpriced — priced above market value. Based on 33 similar vehicles in the Zachary market, the estimated market range is $24,412 to $38,461.

This vehicle has been on the lot for 9 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 Zachary, LA trucks 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 2020 GMC Sierra 1500 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 Zachary, LA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTU9DEL6LG311899 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.

2020 GMC Sierra 1500 Market in LA

Comparable Vehicles

658

Average Price

$34,225

Price Range

$9,990–$59,995

Avg Days on Lot

56

Based on 658 comparable 2018-2022 GMC Sierra 1500 listings in LA, the average asking price is $34,225. This listing at $38,929 is $4,704 above average (14% above market). Comparable prices in LA range from $9,990 to $59,995. Similar vehicles spend an average of 56 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in LA

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