Used 2026 GMC Sierra 3500 prices

Used 2026 GMC Sierra 3500s for sale at U.S. dealers ask $76,175 on average (half ask less than $77,389), across 49 cars. The cars for sale have 10,869 miles on average: one with fewer miles is worth more, and one with more is worth less. To check one car's price against cars of its trim and mileage, enter its VIN in OttoQuest's free Deal Check.

The 47 for sale with a listing date have been listed 50 days on average. A car listed much longer than that, or one whose price has already been cut, usually leaves more room to negotiate.

The 2026 asks $76,175 on average with 10,869 miles; the 2025 asks $66,461 with 31,891 miles.

NHTSA lists 2 safety recall campaigns that cover the 2026 GMC Sierra 3500. Repairs are free at a dealer of the make; check a car's VIN with NHTSA before you buy to see whether its recalls were fixed.