2026 Sierra 3500 HD AT4
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Available now
- On the lot and buyable now.
- Similar Sierra 3500 HD AT4s sell in a median of 18 days (538 recent sales).
- 610 of 610 listed nationwide are buyable right now.
What to aim for
~$89,968
- Comparable Sierra 3500 HDs (6) average $1,167 below MSRP — about $89,968 for this trim.
- Listed $1,167 above that, so there's room to negotiate toward $89,968.
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 $91,135, right at its MSRP of $91,135. Compared to similar vehicles nationally, this one is priced $1,167 higher than the market average. Located at ST. JOHNSBURY GMC in Saint Johnsbury, VT.
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
Specifications
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Est. Monthly Payment
$1,605/mo
Estimate only, based on the advertised price. Does not include taxes, dealer fees, or insurance.
Save $10,665 on one of 131 comparable 2026 Sierra 3500 HD AT4 about 1,246 miles away. The lowest is $80,470 in Aurora, MO — real leverage when you ask ST. JOHNSBURY GMC to match it. See that listing →
Comparable Vehicles
Avg markup: -$1,167
12 days on lot