2026 Sierra 3500 HD Denali Ultimate
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Available now
- On the lot and buyable now.
- Similar Sierra 3500 HD Denali Ultimates sell in a median of 23 days (518 recent sales).
- 570 of 570 listed nationwide are buyable right now.
Negotiation Signal
- On the lot 64 days — longer than 65% of Sierra 3500 HD listings in MO.
Time on the lot and prior price cuts are real negotiating leverage — a dealer carrying a slow-moving unit is more likely to deal.
Deal Analysis
This 2026 Sierra 3500 HD is listed at $96,635, which is $5,000 below its MSRP of $101,635 — a notable discount. Compared to similar Sierra 3500 HD vehicles nationally (averaging $3,574 below MSRP), this one is priced $1,426 lower than the market average. It has been on the dealer’s lot for 64 days. Located at O'FALLON BUICK GMC LLC in O'Fallon, MO.
Price Breakdown
Listed price. A dealer's real offer can be lower (incentives, financing or trade-in conditions) or higher (added fees) — always ask for the out-the-door price.
Details
Delivery Pipeline
Factory Options
- — GOOSENECK/5TH WHEEL PACKAGE$545
- — ONYX BLACK$495
Specifications
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Est. Monthly Payment
$1,702/mo
Estimate only, based on the advertised price. Does not include taxes, dealer fees, or insurance.
Est. Out-the-Door Price
$104,796 price + tax
≈ $105,362 out the door, once typical title, registration and doc fees are added — but those vary by dealer.
Car tax follows where you register the car, not where the dealer is.
Save $6,172 on one of 114 comparable 2026 Sierra 3500 HD Denali Ultimate about 444 miles away. The lowest is $90,463 in Anniston, AL — real leverage when you ask O'FALLON BUICK GMC LLC to match it. See that listing →
Prefer closer? One about 55 mi away saves $5,200 (Red Bud, IL). View →
Comparable Vehicles
Avg markup: -$3,574
64 days on lot