
Vehicle Details
2020 GMC Sierra 1500
AT4
Phoenix, AZ 85009
Market price position
$35,900 · within market range
- Regional range
- $32,977 – $59,990
- vs. market
- $2,923 above low · $24,090 below high
- Comparable vehicles
- 11
Similar vehicles recently sold in an estimated 16–65 days.
- This listing has been on market about 3.1x longer than typical for similar vehicles (cohort sells in 16–65 days; this one is at 204). 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.
Dealer Info
Phoenix, AZ
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About This 2020 GMC Sierra 1500
Listing updated: May 15, 2026Listed by an independent dealer in Phoenix, AZ · On lot for 204 days · VIN verifiable at NHTSA
This used 2020 GMC Sierra 1500 AT4 is listed at $35,900 by an independent dealer in Phoenix, AZ 85009. It has 66,731 miles on the odometer. The exterior color is Gray. 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 Fair Price — priced at market value. Based on 11 similar vehicles in the Phoenix market, the estimated market range is $32,977 to $59,990.
This vehicle has been on the lot for 204 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 Phoenix, AZ 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:
- 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.
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 an independent dealer in Phoenix, AZ, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTP9EELXLZ293846 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 AZ
Comparable Vehicles
388
Average Price
$36,645
Price Range
$14,500–$74,990
Avg Days on Lot
52
Based on 388 comparable 2018-2022 GMC Sierra 1500 listings in AZ, the average asking price is $36,645. This listing at $35,900 is $745 below average (2% below market). Comparable prices in AZ range from $14,500 to $74,990. Similar vehicles spend an average of 52 days on dealer lots in this market.
Similar GMC Sierra 1500 Listings in AZ
8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: AT4 — compare trims below)

2020 GMC Sierra 1500
SLT
Glendale, AZ

2021 GMC Sierra 1500
AT4
Mesa, AZ

2019 GMC Sierra 1500
AT4
Mesa, AZ

2020 GMC Sierra 1500
AT4
Tucson, AZ

2021 GMC Sierra 1500
AT4
Goodyear, AZ

2021 GMC Sierra 1500
AT4
Mesa, AZ

2021 GMC Sierra 1500
AT4
Lake Havasu City, AZ

2021 GMC Sierra 1500
AT4
Tucson, AZ