Vehicle Details
2025 GMC Sierra 3500HD
Pro
New Castle, DE 19720
Is this 2025 GMC Sierra 3500HD Pro a good deal?
OAV verdict: Unscored
Why: Listed at $66,821, comparable market range $66,821–$66,821. Days on lot: 494 days (market average 82 days).
Market price position
$66,821 · only listing at this price
- Regional range
- $66,821 (0 listings)
- vs. market
- Exact match — no spread
- Comparable vehicles
- 0
Similar vehicles recently sold in an estimated 28–126 days.
- This listing has been on market about 3.9x longer than typical for similar vehicles (cohort sells in 28–126 days; this one is at 494). 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.
The Hertrich Family Of Dealerships
New Castle, DE
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 The Hertrich Family Of Dealerships for current availability of this 2025 GMC Sierra 3500HD Pro 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 2025 GMC Sierra 3500HD
Listing updated: Jul 8, 2026Listed by a franchise dealer in New Castle, DE · On lot for 494 days · VIN verifiable at NHTSA
This new 2025 GMC Sierra 3500HD Pro is listed at $66,821 by the hertrich family of dealerships in New Castle, DE 19720. It has 138 miles on the odometer. 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 available similar vehicles in the New Castle market, the estimated market range is $66,821 to $66,821. The local market range in DE is $82,752 to $82,752.
This vehicle has been on the lot for 494 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 New Castle, DE 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 2025 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:
- 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 New Castle, DE, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GD5USE78SF175300 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.
2025 GMC Sierra 3500HD Market in DE
Comparable Vehicles
47
Average Price
$85,561
Price Range
$54,865–$106,365
Avg Days on Lot
82
Based on 47 comparable 2023-2027 GMC Sierra 3500HD listings in DE, the average asking price is $85,561. This listing at $66,821 is $18,740 below average (22% below market). Comparable prices in DE range from $54,865 to $106,365. Similar vehicles spend an average of 82 days on dealer lots in this market.
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