Is the $90,035 price on this 2026 GMC Sierra 2500HD a good deal?

OAV has not assigned a market verdict to this listing yet because there isn't enough comparable market data.

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

Comparable GMC Sierra 2500HD listings in CO spend an average of 78 days on dealer lots.

Where is this 2026 GMC Sierra 2500HD located?

This vehicle is listed in Boulder, CO 80301. VIN: 1GT4UPEY8TF337806. Mileage: mileage not reported.

2026 GMC Sierra 2500HD AT4 for Sale in Boulder, CO

Dealer imagery unavailable to OAVRequest current photos and confirm the vehicle's condition with the dealer.

Vehicle Details

VIN1GT4UPEY8TF337806

TrimAT4

Exterior ColorWhite

Drivetrain4WD

Engine6.6L V8

TransmissionAutomatic

Fuel TypeDiesel

Inventory Typenew

MSRP$90,140

Days on Lot5

AT4

Unscored

$90,035Mileage not verified

Boulder, CO 80301

Is this 2026 GMC Sierra 2500HD AT4 a good deal?

OAV verdict: Unscored

Why: Listed at $90,035. OAV found only 4 comparable listings — too few for a reliable market range or verdict. Days on lot: 5 days (market average 78 days).

Manufacturer MSRPReference

$90,140

This vehicle $90,035 · $105 (0%) below MSRP

MSRP is the manufacturer's suggested retail price, shown for reference only. OAV rates new-car deals by how far below the LOCAL COMPARABLE MARKET a vehicle is priced (see OAV's market comparables / MRP and sold-price value / TRV) — not by discount from MSRP, because dealer-supplied MSRP is not independently verified. The advertised price is set by the dealer and may require financing, rebates, trade-in, or other qualifications, and excludes taxes, fees, and dealer add-ons — confirm the out-the-door price with the dealer. How OAV rates new-car deals.

Market price position

Limited comparable data — OAV has not assigned a market verdict to this listing yet. The MSRP relationship above is shown for reference.

Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 13–58 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.

Local Range$75,184 – $90,530

Regional Range$73,724 – $93,684

Mike Maroone Gmc

Boulder, CO

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

View all vehicles from mike maroone gmc →

Request availability and out-the-door price

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

Listing updated: Jul 31, 2026

Listed by a franchise dealer in Boulder, CO · On lot for 5 days · VIN verifiable at NHTSA

This new 2026 GMC Sierra 2500HD AT4 is listed at $90,035 by mike maroone gmc in Boulder, CO 80301. 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. OAV has not assigned a reliable comparable market range for this vehicle yet — the comparable set is too limited.

This vehicle has been on the lot for 5 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 Boulder, 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 (currently across available trims and configurations; trim-level matching is rolling out), 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 Boulder, CO, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GT4UPEY8TF337806 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

CO Market Listings

555

Average Price

$79,317

Price Range

$36,795–$111,205

Avg Days on Lot

Based on all 555 2024-2028 GMC Sierra 2500HD listings in the CO market, the average asking price is $79,317. Because OAV has not assigned a reliable price verdict to this listing, it does not state how it compares to this broader average. Comparable prices in CO range from $36,795 to $111,205. Similar vehicles spend an average of 78 days on dealer lots in this market.