The average asking price for a used 1948 Oldsmobile 88 is $45,233, with 27,090 miles on average, across 3 cars for sale at U.S. dealers as of Nov 10, 2026.
Used 1948 Oldsmobile 88s for sale at U.S. dealers ask $45,233 on average (half ask less than $17,900), across 3 cars. The cars for sale have 27,090 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 1948 asks $45,233 on average with 27,090 miles; the 1949 asks $48,154 with 26,290 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.