2026 GMC Sierra 1500 SLT
Vehicle Details
SLT
Lancaster, CA 93534
Is this 2026 GMC Sierra 1500 SLT a good deal?
OAV verdict: Great Deal
Why: Listed at $42,714, comparable market range $45,615–$48,814, based on 20 comparable listings. Listed 10 days · fresher than most comparable local listings (typical ~15–135 days).
Market price position
$42,714 · $2,901 below market low
- Comparable range
- $45,615 – $48,814
- vs. market low
- — $2,901 (6% below)
- Comparable vehicles
- 20
Market Retail Price (MRP™)
$47,215This vehicle $42,714 · $4,501 (10%) below MRP
MRP™ is the midpoint of the comparable market range — the representative price the market is asking for similar vehicles. How MRP works.
True Retail Value (TRV™)
$48,107This vehicle $42,714 · $5,393 (11%) below TRV
TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-08-24) — an estimate, not an appraisal. How TRV works.
Comparable vehicles nationally recently sold in an estimated 23–69 days.
Market Breakdown
Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges are rebuilt from the market snapshot shown above.
Diamond Ford
Lancaster, CA
OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.
Request availability and out-the-door price
OAV will route your inquiry to Diamond Ford for current availability of this 2026 GMC Sierra 1500 SLT 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 2026 GMC Sierra 1500
Listing updated: Aug 23, 2026Listed by a franchise dealer in Lancaster, CA · On lot for 10 days · VIN verifiable at NHTSA
This used 2026 GMC Sierra 1500 SLT is listed at $42,714 by diamond ford in Lancaster, CA 93534. It has 28,393 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is White. 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 a Great Deal — priced below market value. Based on 20 comparable listings matched to this vehicle, the estimated market range is $45,615 to $48,814. These comparisons match year, make, model, and market, using trim where trim data supports it. OAV does not adjust comparables for odometer — where mileage would distort a verdict, it withholds one instead.
This vehicle has been on the lot for 10 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 Lancaster, CA 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 2026 GMC Sierra 1500 against similar vehicles currently available in the local and regional market — same make, model, and year range, using trim where trim data supports it. OAV does not adjust comparables for odometer; on very high-mileage vehicles it withholds a verdict rather than overstate a discount the odometer explains. 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 a franchise dealer in Lancaster, CA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTPHDED3TZ182450 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 processed daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.
2026 GMC Sierra 1500 Market in CA
CA Market Listings
3,903
Average Price
$60,240
Price Range
$26,951–$109,285
Avg Days on Lot
70
Based on all 3,903 2024-2028 GMC Sierra 1500 listings in the CA market, the average asking price is $60,240. This listing at $42,714 is $17,526 below the broader CA average (29% below the CA average). This is a wider, all-trim comparison across CA; OAV's price verdict above uses the closer comparable set. Comparable prices in CA range from $26,951 to $109,285. Similar vehicles spend an average of 70 days on dealer lots in this market.
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8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: SLT — compare trims below)
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