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

VIN3GTP8DED9LG313526
TrimSLT
Exterior ColorBlue
DrivetrainRWD
Engine5.3L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot167

2020 GMC Sierra 1500

SLT

Unscored
$32,99872,298 mi

Chattanooga, TN 37421

Is this 2020 GMC Sierra 1500 SLT a good deal?

OAV verdict: Unscored

Why: Listed at $32,998, comparable market range $32,995–$40,945, based on 6 comparable listings. Days on lot: 167 days (market average 59 days).

Market price position

32,995
40,945
32,998

$32,998 · within market range

$32,995comparable$40,945
Regional range
$32,995 – $40,945
vs. market
$3 above low · $7,947 below high
Comparable vehicles
6
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.

Local Range$32,995 – $40,945
Regional Range$32,995 – $41,844

Dealer Info

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Chattanooga, TN

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About This 2020 GMC Sierra 1500

Listing updated: May 22, 2026

Listed by an independent dealer in Chattanooga, TN · On lot for 167 days · VIN verifiable at NHTSA

This used 2020 GMC Sierra 1500 SLT is listed at $32,998 by an independent dealer in Chattanooga, TN 37421. It has 72,298 miles on the odometer. The exterior color is Blue. It features a RWD drivetrain with a 5.3L V8 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Unscored due to insufficient comparable data. Based on 6 similar vehicles in the Chattanooga market, the estimated market range is $32,995 to $40,945. The local market range in TN is $32,995 to $40,945.

This vehicle has been on the lot for 167 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 Chattanooga, TN 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 Chattanooga, TN, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTP8DED9LG313526 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 TN

Comparable Vehicles

539

Average Price

$35,538

Price Range

$14,995–$69,379

Avg Days on Lot

59

Based on 539 comparable 2018-2022 GMC Sierra 1500 listings in TN, the average asking price is $35,538. This listing at $32,998 is $2,540 below average (7% below market). Comparable prices in TN range from $14,995 to $69,379. Similar vehicles spend an average of 59 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in TN

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