2026 Sierra 3500 HD SLE
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Available now
- On the lot and buyable now.
- Similar Sierra 3500 HD SLEs sell in a median of 16 days (247 recent sales).
- 343 of 343 listed nationwide are buyable right now.
Verify the out-the-door price
This listing is priced $5,613 below the typical Sierra 3500 HD SLE, 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 72 days — longer than 100% of Sierra 3500 HD listings in IL.
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 $58,352, which is $5,613 below its MSRP of $63,965 — a notable discount. Compared to similar Sierra 3500 HD vehicles nationally (averaging $0 above MSRP), this one is priced $5,613 lower than the market average. It has been on the dealer’s lot for 72 days. Located at CASTLE BUICK-GMC, INC. in Riverside, IL.
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$1,090
- — UPFITTER SWITCH KIT$150
- — WHEELHOUSE LINERS, REAR$140
- — SLE CONVENIENCE PACKAGE$915
- — WHEEL LOCKS, SET OF 4$125
- — PREFERRED PACKAGE$840
- — 2-SPEED AUTOTRAC TRANSFER CASE$200
- — SIERRA HD PRO SAFETY PLUS$595
- — SNOW PLOW PREP/$150
Specifications
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Est. Monthly Payment
$1,028/mo
Estimate only, based on the advertised price. Does not include taxes, dealer fees, or insurance.
Est. Out-the-Door Price
$63,592 price + tax
≈ $64,255 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 $3,096 on one of 5 comparable 2026 Sierra 3500 HD SLE about 720 miles away. The lowest is $55,256 in Lakewood, NJ — real leverage when you ask CASTLE BUICK-GMC, INC. to match it. See that listing →
Comparable Vehicles
Avg markup: $0
72 days on lot