Is the $29,555 price on this 2020 GMC Sierra 1500 Denali a good deal?

OAV rates this as a Great Deal because the asking price of $29,555 is below the typical market range for this vehicle.

What is the average price for a 2020 GMC Sierra 1500 Denali in IL?

Based on 271 comparable listings in IL, the average asking price for a 2018-2022 GMC Sierra 1500 Denali is $38,828, with prices ranging from $17,900 to $74,160.

How long does a 2020 GMC Sierra 1500 Denali typically stay on dealer lots?

Comparable GMC Sierra 1500 Denali listings in IL spend an average of 63 days on dealer lots.

Where is this 2020 GMC Sierra 1500 Denali located?

This vehicle is listed in Goodfield, IL 61742. VIN: 1GTU9FEL2LZ172172. Mileage: 140,207 miles.

What is the fair market price range for this 2020 GMC Sierra 1500 Denali?

OAV's Price-to-Market analysis estimates the fair market range is $37,786 to $37,786, based on 3 comparable vehicles.

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Vehicle Details

VIN1GTU9FEL2LZ172172

TrimDenali

Exterior ColorWhite

Drivetrain4WD

Engine6.2L V8

TransmissionAutomatic

Fuel TypeUnleaded

Inventory Typeused

Days on Lot494

2020 GMC Sierra 1500 Denali

Denali

Unscored

$29,555140,207 mi

Goodfield, IL 61742

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

OAV verdict: Unscored

Why: Listed at $29,555, comparable market range $37,786–$37,786, based on 3 comparable listings. Days on lot: 494 days (market average 63 days).

Market price position

Lowest comparable ($)

37,786

Highest comparable ($)

37,786

This vehicle's price ($)

29,555

$29,555 · $8,231 below the market benchmark

$37,786 — single data point

Regional range: $37,786 (3 listings)
vs. market low: — $8,231 (22% below)
Comparable vehicles: 3

Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 17–65 days.

Verify before inquiring

This listing has been on market about 7.6x longer than typical for similar vehicles (cohort sells in 17–65 days; this one is at 494). Long days-on-lot on a fast-turn cohort can signal title concerns, mechanical issues, or pricing the dealer won't actually honor. Recommend a vehicle history report before spending more time.

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$37,786 – $37,786

Dealer Info

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Goodfield, IL

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About This 2020 GMC Sierra 1500 Denali

Listing updated: May 26, 2026

Listed by an independent dealer in Goodfield, IL · On lot for 494 days · VIN verifiable at NHTSA

This used 2020 GMC Sierra 1500 Denali Denali is listed at $29,555 by an independent dealer in Goodfield, IL 61742. It has 140,207 miles on the odometer. The exterior color is White. 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 3 similar vehicles in the Goodfield market, the estimated market range is $37,786 to $37,786.

This vehicle has been on the lot for 494 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 Goodfield, IL 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:

Great Deal — priced below the typical range for comparable vehicles.
Fair Price — priced within the expected range for comparable vehicles.
Overpriced — priced above the typical range for comparable vehicles.

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 Goodfield, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTU9FEL2LZ172172 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 IL

Comparable Vehicles

271

Average Price

$38,828

Price Range

$17,900–$74,160

Avg Days on Lot

Based on 271 comparable 2018-2022 GMC Sierra 1500 Denali listings in IL, the average asking price is $38,828. This listing at $29,555 is $9,273 below average (24% below market). Comparable prices in IL range from $17,900 to $74,160. Similar vehicles spend an average of 63 days on dealer lots in this market.