2025 GMC Sierra 1500 SLT

Listed by a franchise dealer in Avondale, AZ · On lot for 7 days · VIN verifiable at NHTSA

This used 2025 GMC Sierra 1500 SLT is listed at $37,064 by ken garff gateway chevrolet in Avondale, AZ 85323. It has 52,851 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Silver. It features a RWD drivetrain with a 5.3L V8 engine and Automatic transmission.

OAV's independent, evidence-backed Price-to-Market analysis rates this vehicle as Unscored. OAV publishes a price verdict only when it has enough closely comparable listings to stand behind one. This listing did not clear that bar, so OAV withholds a verdict rather than guessing.

This vehicle has been on the lot for 7 days.

Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477). Verdict methodology ptm-verdict-v1 · snapshot Sep 24, 2026. The comparable band (patent pending) is the input; ptm-verdict-v1 is the versioned OAV rule set that turns it into this verdict.

Market context

This listing is part of OAV's broader Avondale, AZ trucks market analysis. OAV compares vehicles by local and regional price-to-market ranges and comparable count; days-on-lot and demand signals are shown separately, not as verdict inputs.

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How this deal is rated

OAV compares this 2025 GMC Sierra 1500 against similar vehicles currently available for sale — same make, model, and year range, using trim where the data supports it. OAV does not adjust comparable prices for mileage; on used vehicles it withholds a verdict when mileage would distort the comparison — very high or unreliable mileage, or a lower price better explained by higher-than-typical mileage than by a genuine market discount — rather than overstate a deal. Based on where this listing falls in that comparable set, it is rated:

• Great Deal — priced below the comparable-range floor by at least OAV's minimum-gap margin; a smaller gap under the floor is Fair Price.
• Fair Price — priced within the comparable range, or below the floor by less than that margin.
• Overpriced — priced above the typical range for comparable vehicles.
• Unscored — OAV withholds a verdict when the evidence cannot support one: too few or too widely spread comparables, a price it cannot validate, a branded or salvage title, or mileage that would distort the comparison. The listing stays visible; only the rating is withheld.

Listings show OAV's Price-to-Market verdict and live market context for every dealer's inventory, whether or not the dealer has any relationship with OAV. A dealer that claims its listings can manage its profile and have buyer inquiries routed to it directly. A paying partner's own listings additionally carry an OAV Verified Partner label on the dealer contact block and a link to the dealer's own listing page. That is the complete list of what a relationship with OAV changes, and all of it concerns the dealer's identity on its own listings. Payment never changes a vehicle's verdict, its eligibility to be scored or cited, the evidence shown or withheld, or where and how prominently the listing appears on any OAV page, board, or answer. There is no paid placement, ranking, ordering, verdict badge, or featured position of any kind. OAV sells dealers insight into the evidence, never influence over it.

How this listing is verified

This vehicle listing was aggregated from a franchise dealer in Avondale, AZ, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTPHDED5SZ217035 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 vehicle market standardization technology (U.S. Patent No. 12,236,477), which normalizes naming conventions and deduplicates cross-listed inventory across the dealership network. Listing data is processed daily; Price-to-Market analysis uses comparable vehicles.

2025 GMC Sierra 1500 Market in AZ

Based on all 1,629 2023-2027 GMC Sierra 1500 listings in the AZ market. Because OAV has not assigned a reliable price verdict to this listing, it does not state how it compares to this broader average. Similar vehicles spend an average of 71 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in AZ

8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: SLT — compare trims below)

This is a broad, statewide same-model set (any trim, mileage, or title) — not the qualified comparable cohort behind the verdict above; lower prices here typically reflect a different trim, higher mileage, or a branded title.