U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
OAV
2026 GMC Sierra 3500HD

Vehicle Details

VIN1GD4USEYXTF278367
TrimPro
Exterior ColorWhite
Drivetrain4WD
Engine6.6L V8
TransmissionAutomatic
Fuel TypeDiesel
Inventory Typenew
MSRP$69,938
Days on Lot25

2026 GMC Sierra 3500HD

Pro

Unscored
$69,1380 miles

Parkland, WA 98444

Is this 2026 GMC Sierra 3500HD Pro a good deal?

OAV verdict: Unscored

Why: Listed at $69,138, comparable market range $50,978–$61,608, based on 5 comparable listings. Days on lot: 25 days (market average 82 days).

Market price position

50,978
61,608
69,138

$69,138 · $7,530 above market high

$50,978comparable$61,608
Regional range
$50,978 – $61,608
vs. market high
+ $7,530 (12% above)
Comparable vehicles
5
Demand-Verified· Backed by recent sales data
High Demand

Similar vehicles recently sold in an estimated 833 days.

What does Demand-Verified mean?

Market Breakdown

Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges refresh daily.

Local Range$50,978 – $61,608
Regional Range$50,978 – $61,608

Dealer Info

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Parkland, WA

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About This 2026 GMC Sierra 3500HD

Listing updated: May 17, 2026

Listed by a franchise dealer in Parkland, WA · On lot for 25 days · VIN verifiable at NHTSA

This new 2026 GMC Sierra 3500HD Pro is listed at $69,138 by a franchise dealer in Parkland, WA 98444. The exterior color is White. It features a 4WD drivetrain with a 6.6L 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 5 similar vehicles in the Parkland market, the estimated market range is $50,978 to $61,608. The local market range in WA is $50,978 to $61,608.

This vehicle has been on the lot for 25 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 Parkland, WA 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 3500HD 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:

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 a franchise dealer in Parkland, WA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GD4USEYXTF278367 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.

2026 GMC Sierra 3500HD Market in WA

Comparable Vehicles

566

Average Price

$79,883

Price Range

$44,999–$105,965

Avg Days on Lot

82

Based on 566 comparable 2024-2028 GMC Sierra 3500HD listings in WA, the average asking price is $79,883. This listing at $69,138 is $10,745 below average (13% below market). Comparable prices in WA range from $44,999 to $105,965. Similar vehicles spend an average of 82 days on dealer lots in this market.

Similar GMC Sierra 3500HD Listings in WA

8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: Pro — compare trims below)