GMC Sierra 2500 HD Price in TUSTIN, CA

As of October 19, 2026, there are 136 GMC Sierra 2500 HD vehicles available at 2 dealerships in TUSTIN, CA. Expect an average markup of $530 over MSRP in TUSTIN, though 84% of listings are still at or below sticker price. 1 of 2 dealers are currently pricing below MSRP on average. Prices range from $51,179 to $103,620, with a median of $87,408.

Across California (1,600 listings) the average is $1,334 below MSRP (96% at/below MSRP) — TUSTIN is priced about $1,864 higher 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.