Is the $52,306 price on this 2026 GMC Sierra 2500HD a good deal?

OAV rates this as a Great Deal because the asking price of $52,306 is below the typical market range for this vehicle.

What is the average price for a 2026 GMC Sierra 2500HD in CO?

Based on 542 comparable listings in CO, the average asking price for a 2024-2028 GMC Sierra 2500HD is $79,477, with prices ranging from $36,795 to $111,205.

How long does a 2026 GMC Sierra 2500HD typically stay on dealer lots?

Comparable GMC Sierra 2500HD listings in CO spend an average of 81 days on dealer lots.

Where is this 2026 GMC Sierra 2500HD located?

This vehicle is listed in Castle Rock, CO 80104. VIN: 1GT3ULE79TF332903. Mileage: 3 miles.

What is the fair market price range for this 2026 GMC Sierra 2500HD?

OAV's Price-to-Market analysis estimates the fair market range is $52,788 to $73,714, based on 145 comparable vehicles.

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Vehicle Details

VIN1GT3ULE79TF332903

TrimPro

Exterior ColorWhite

Drivetrain4WD

Engine6.6L V8

TransmissionAutomatic

Fuel TypeE85 / Unleaded

Inventory Typenew

MSRP$55,635

Days on Lot31

2026 GMC Sierra 2500HD

Pro

Great Deal

$52,306Mileage not verified

Castle Rock, CO 80104

Is this 2026 GMC Sierra 2500HD Pro a good deal?

OAV verdict: Great Deal

Why: Listed at $52,306, comparable market range $52,788–$73,714, based on 145 comparable listings. Days on lot: 31 days (market average 81 days).

Manufacturer MSRPPrimary

$55,635

This vehicle $52,306 · $3,329 (6%) below MSRP

MSRP is the manufacturer's suggested retail price. Discount from MSRP is OAV's primary deal metric for new vehicles; OAV's market comparables (MRP) and sold-price value (TRV) below are secondary validation. How OAV rates new-car deals.

Market price position

$52,306 · $482 below market low

$52,788comparable$73,714

Regional range: $52,788 – $73,714
vs. market low: — $482 (1% below)
Comparable vehicles: 145

Market Retail Price (MRP™)

$63,251

This vehicle $52,306 · $10,945 (17%) 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™)

$57,219

This vehicle $52,306 · $4,913 (9%) below TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-07-27) — an estimate, not an appraisal. How TRV works.

Demand-Verified· Backed by recent sales data

Faster-than-average sell-through

Similar vehicles recently sold in an estimated 8–44 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 are rebuilt from the market snapshot shown above.

Regional Range$52,788 – $73,714

Castle Rock Gmc

Castle Rock, CO

OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.

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Request availability and out-the-door price

OAV will route your inquiry to Castle Rock Gmc for current availability of this 2026 GMC Sierra 2500HD 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 2026 GMC Sierra 2500HD

Listing updated: Jul 27, 2026

Listed by a franchise dealer in Castle Rock, CO · On lot for 31 days · VIN verifiable at NHTSA

This new 2026 GMC Sierra 2500HD Pro is listed at $52,306 by castle rock gmc in Castle Rock, CO 80104. It has 3 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 a Great Deal — priced below market value. Based on 145 similar vehicles in the Castle Rock market, the estimated market range is $52,788 to $73,714.

This vehicle has been on the lot for 31 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 Castle Rock, CO 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 2500HD 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 Castle Rock, CO, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GT3ULE79TF332903 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 2500HD Market in CO

Comparable Vehicles

542

Average Price

$79,477

Price Range

$36,795–$111,205

Avg Days on Lot

Based on 542 comparable 2024-2028 GMC Sierra 2500HD listings in CO, the average asking price is $79,477. This listing at $52,306 is $27,171 below average (34% below market). Comparable prices in CO range from $36,795 to $111,205. Similar vehicles spend an average of 81 days on dealer lots in this market.