2026 Sierra 3500 HD AT4

VIN: 1GT4UVE76TF155386

30 days on lot

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View Full Deal SheetDealer cost estimate, negotiation guide, what others paid, and competing inventory

Available now

On the lot and buyable now.
Similar Sierra 3500 HD AT4s sell in a median of 14 days (366 recent sales) — these move fast.
566 of 566 listed nationwide are buyable right now.

Verify the out-the-door price

This listing is priced $9,000 below the typical Sierra 3500 HD AT4, which usually sells around MSRP. An advertised price this far under the norm often means a mandatory dealer add-on package (paint/fabric protection, accessories, etc.) or fees aren't reflected here — they're added at the dealership and can erase the discount. Confirm the full out-the-door price before you count on this as a deal.

Negotiation Signal

On the lot 30 days — longer than 80% of Sierra 3500 HD listings in MO.
Price is down $5,500 from its original list of $77,645.

Time on the lot and prior price cuts are real negotiating leverage — a dealer carrying a slow-moving unit is more likely to deal.

What to aim for

~$71,066

Comparable Sierra 3500 HDs (6) average $10,079 below MSRP — about $71,066 for this trim.
Listed $1,079 above that, so there's room to negotiate toward $71,066.
It's sat 30 days (longer than 80% locally) — that strengthens your hand.

A data-driven starting point from comparable listings and public incentives — not an appraisal. Dealer fees, trade-in, and which programs you qualify for will move the real out-the-door number.

Deal Analysis

This 2026 Sierra 3500 HD is listed at $72,145, which is $9,000 below its MSRP of $81,145 — a notable discount. Compared to similar vehicles nationally, this one is priced $1,079 higher than the market average. It has been on the dealer’s lot for 30 days. Located at SUNTRUP BUICK GMC in Saint Peters, MO.

Price Breakdown

Base MSRP$72,800

Total MSRP$81,145

Advertised price$72,145

Markup-$9,000

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.