U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology · Patent Pending for Additional Innovations
OAV
2020 GMC Sierra 3500HD

Vehicle Details

VIN1GT49UEY6LF137040
TrimSLT
Exterior ColorBlue
Drivetrain4WD
Engine6.6L V8
TransmissionAutomatic
Fuel TypeDiesel
Inventory Typeused
Days on Lot25
Days on Market351

2020 GMC Sierra 3500HD

SLT

Unscored
$50,45243,094 miles

Berlin, VT 05602

Market price position

50,998
50,998
50,452

$50,452 · $546 below the market benchmark

$50,998 — single data point
Regional range
$50,998 (5 listings)
vs. market low
— $546 (1% below)
Comparable vehicles
5
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1264 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$50,998 – $50,998

Dealer Info

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Berlin, VT

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About This 2020 GMC Sierra 3500HD

Listing updated: Apr 29, 2026

Listed by a franchise dealer in Berlin, VT · On lot for 25 days · VIN verifiable at NHTSA

This used 2020 GMC Sierra 3500HD SLT is listed at $50,452 by a franchise dealer in Berlin, VT 05602. It has 43,094 miles on the odometer. The exterior color is Blue. It features a 4WD drivetrain with a 6.6L V8 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 5 similar vehicles in the Berlin market, the estimated market range is $50,998 to $50,998.

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).

How this deal is rated

OAV compares this 2020 GMC Sierra 3500HD 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 Berlin, VT, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GT49UEY6LF137040 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 3500HD Market in VT

Comparable Vehicles

37

Average Price

$50,266

Price Range

$43,180–$61,463

Avg Days on Lot

58

Based on 37 comparable 2018-2022 GMC Sierra 3500HD listings in VT, the average asking price is $50,266. This listing at $50,452 is $186 above average (0% above market). Comparable prices in VT range from $43,180 to $61,463. Similar vehicles spend an average of 58 days on dealer lots in this market.

Similar GMC Sierra 3500HD Listings in VT

6 comparable vehicles with similar year and mileage