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

VIN3GTP9EEL5LG162727
TrimAT4
Exterior ColorBlack
Drivetrain4WD
Engine6.2L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot25

2020 GMC Sierra 1500

AT4

Unscored
$31,990129,432 mi

Yankton, SD 57078

Is this 2020 GMC Sierra 1500 AT4 a good deal?

OAV verdict: Unscored

Why: Listed at $31,990, comparable market range $31,990–$31,990. Days on lot: 25 days (market average 79 days).

Market price position

31,990
31,990
31,990

$31,990 · only listing at this price

$31,990 — single data point
Regional range
$31,990 (0 listings)
vs. market
Exact match — no spread
Comparable vehicles
0
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1665 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$33,748 – $33,748

Northtown Automotive

Yankton, SD

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

View all vehicles from northtown automotive

Request availability and out-the-door price

OAV will route your inquiry to Northtown Automotive 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: Jun 5, 2026

Listed by an independent dealer in Yankton, SD · On lot for 25 days · VIN verifiable at NHTSA

This used 2020 GMC Sierra 1500 AT4 is listed at $31,990 by northtown automotive in Yankton, SD 57078. It has 129,432 miles on the odometer. The exterior color is Black. 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 Unscored due to insufficient comparable data. Based on available similar vehicles in the Yankton market, the estimated market range is $31,990 to $31,990.

This vehicle has been on the lot for 25 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 Yankton, SD 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 Yankton, SD, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTP9EEL5LG162727 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 SD

Comparable Vehicles

280

Average Price

$35,657

Price Range

$16,700–$48,157

Avg Days on Lot

79

Based on 280 comparable 2018-2022 GMC Sierra 1500 listings in SD, the average asking price is $35,657. This listing at $31,990 is $3,667 below average (10% below market). Comparable prices in SD range from $16,700 to $48,157. Similar vehicles spend an average of 79 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in SD

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