GMC Sierra 2500 HD Price in Ontario, CA

As of October 19, 2026, there are 53 GMC Sierra 2500 HD vehicles available at 2 dealerships in Ontario, CA. Local dealers are pricing competitively — the average selling price is $3,481 below MSRP, with 100% of inventory at or under sticker. 2 of 2 dealers are currently pricing below MSRP on average. Prices range from $49,858 to $99,650, with a median of $84,860.

Across California (1,600 listings) the average is $1,334 below MSRP (96% at/below MSRP) — Ontario is priced about $2,147 cheaper than California as a whole. See the Sierra 2500 HD in California overview. These are advertised prices — a negotiated deal (incentives, dealer discounts) often beats them.