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

VIN1GTP9EED5LZ136069
TrimAT4
Exterior ColorGray
Drivetrain4WD
Engine5.3L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot21

2020 GMC Sierra 1500

AT4

Fair Price
$35,40082,870 mi

Marietta, GA 30060

Is this 2020 GMC Sierra 1500 AT4 a good deal?

OAV verdict: Fair Price

Why: Listed at $35,400, comparable market range $32,229–$46,437, based on 28 comparable listings. Days on lot: 21 days (market average 41 days).

Market price position

32,229
46,437
35,400

$35,400 · within market range

$32,229comparable$46,437
Regional range
$32,229 – $46,437
vs. market
$3,171 above low · $11,037 below high
Comparable vehicles
28
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1760 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$32,229 – $46,437

Legacy Motorcars

Marietta, GA

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 Legacy Motorcars for current availability of this 2020 GMC Sierra 1500 AT4 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: Jul 2, 2026

Listed by an independent dealer in Marietta, GA · On lot for 21 days · VIN verifiable at NHTSA

This used 2020 GMC Sierra 1500 AT4 is listed at $35,400 by legacy motorcars in Marietta, GA 30060. It has 82,870 miles on the odometer. The exterior color is Gray. It features a 4WD drivetrain with a 5.3L V8 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Fair Price — priced at market value. Based on 28 similar vehicles in the Marietta market, the estimated market range is $32,229 to $46,437.

This vehicle has been on the lot for 21 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 Marietta, GA 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 an independent dealer in Marietta, GA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTP9EED5LZ136069 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 GA

Comparable Vehicles

1,298

Average Price

$37,748

Price Range

$8,000–$65,939

Avg Days on Lot

41

Based on 1,298 comparable 2018-2022 GMC Sierra 1500 listings in GA, the average asking price is $37,748. This listing at $35,400 is $2,348 below average (6% below market). Comparable prices in GA range from $8,000 to $65,939. Similar vehicles spend an average of 41 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in GA

8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: AT4 — compare trims below)