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

VIN3GTU9FED6LG342445
TrimDenali
Exterior ColorBlack
Drivetrain4WD
Engine5.3L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot18

2020 GMC Sierra 1500 Denali

Denali

Great Deal
$32,656110,331 mi

Somerville, MA 02145

Is this 2020 GMC Sierra 1500 Denali Denali a good deal?

OAV verdict: Great Deal

Why: Listed at $32,656, comparable market range $33,499–$55,900, based on 32 comparable listings. Days on lot: 18 days (market average 61 days).

Market price position

33,499
55,900
32,656

$32,656 · $843 below market low

$33,499comparable$55,900
Regional range
$33,499 – $55,900
vs. market low
— $843 (3% below)
Comparable vehicles
32
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1559 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$33,499 – $55,900

Herb Chambers Audi Dealerships

Somerville, MA

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

View all vehicles from herb chambers audi dealerships

Request availability and out-the-door price

OAV will route your inquiry to Herb Chambers Audi Dealerships for current availability of this 2020 GMC Sierra 1500 Denali Denali 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 Denali

Listing updated: Jun 13, 2026

Listed by a franchise dealer in Somerville, MA · On lot for 18 days · VIN verifiable at NHTSA

This used 2020 GMC Sierra 1500 Denali Denali is listed at $32,656 by herb chambers audi dealerships in Somerville, MA 02145. It has 110,331 miles on the odometer. The exterior color is Black. 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 a Great Deal — priced below market value. Based on 32 similar vehicles in the Somerville market, the estimated market range is $33,499 to $55,900.

This vehicle has been on the lot for 18 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 Somerville, MA 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 Denali 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 Somerville, MA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTU9FED6LG342445 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 Denali Market in MA

Comparable Vehicles

109

Average Price

$37,990

Price Range

$23,997–$59,771

Avg Days on Lot

61

Based on 109 comparable 2018-2022 GMC Sierra 1500 Denali listings in MA, the average asking price is $37,990. This listing at $32,656 is $5,334 below average (14% below market). Comparable prices in MA range from $23,997 to $59,771. Similar vehicles spend an average of 61 days on dealer lots in this market.

Similar GMC Sierra 1500 Denali Listings in MA

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