2020 GMC Sierra 1500 AT4
Vehicle Details
AT4
Pleasanton, CA 94588
Is this 2020 GMC Sierra 1500 AT4 a good deal?
OAV verdict: Overpriced
Why: Listed at $44,998, comparable market range $31,972–$41,895, based on 11 comparable listings. Days on lot: 12 days (market average 76 days).
Market price position
$44,998 · $3,103 above market high
- Comparable range
- $31,972 – $41,895
- vs. market high
- + $3,103 (7% above)
- Comparable vehicles
- 11
Market Retail Price (MRP™)
$36,934This vehicle $44,998 · $8,064 (22%) above 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™)
$43,199This vehicle $44,998 · $1,799 (4%) above TRV
TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-08-18) — an estimate, not an appraisal. How TRV works.
Comparable vehicles nationally recently sold in an estimated 16–55 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.
Carmax Pleasanton
Pleasanton, CA
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OAV will route your inquiry to Carmax Pleasanton for current availability of this 2020 GMC Sierra 1500 AT4 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
Listing updated: Aug 18, 2026Listed by an independent dealer in Pleasanton, CA · On lot for 12 days · VIN verifiable at NHTSA
This used 2020 GMC Sierra 1500 AT4 is listed at $44,998 by carmax pleasanton in Pleasanton, CA 94588. It has 28,412 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is White. It features a 4WD drivetrain with a 5.3L V8 engine and Automatic transmission.
OAV's independent, evidence-backed Price-to-Market analysis rates this vehicle as Overpriced — priced above market value. Based on 11 comparable listings matched to this vehicle, the estimated market range is $31,972 to $41,895. 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 12 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 Pleasanton, 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 2020 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 an independent dealer in Pleasanton, CA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTP9EED3LG276492 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.
2020 GMC Sierra 1500 Market in CA
CA Market Listings
347
Average Price
$33,419
Price Range
$12,998–$65,135
Avg Days on Lot
76
Based on all 347 2018-2022 GMC Sierra 1500 listings in the CA market, the average asking price is $33,419. This listing at $44,998 is $11,579 above the broader CA average (35% above 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 $12,998 to $65,135. Similar vehicles spend an average of 76 days on dealer lots in this market.
Similar GMC Sierra 1500 Listings in CA
8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: AT4 — compare trims below)
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SLT
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2019 GMC Sierra 1500
SLE
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2022 GMC Sierra 1500
SLE
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2022 GMC Sierra 1500
SLE
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2021 GMC Sierra 1500
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Elevation
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