The average asking price for a used 2021 Ford F-250SD is $54,354, with 64,925 miles on average, across 3 cars for sale at U.S. dealers as of Nov 10, 2026.
Used 2021 Ford F-250SDs for sale at U.S. dealers ask $54,354 on average (half ask less than $56,484), across 3 cars. The cars for sale have 64,925 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 2021 asks $54,354 on average with 64,925 miles; the 2022 asks $31,994 with 97,125 miles.
Used and certified cars for sale at US dealers, each car counted once. Days listed are the dealer’s own days on market where they publish it. Price moves compare the same cars at both ends of the window.
