automania
/ɔːtəʊˈmeɪnɪə/Definitions
1. noun
an excessive or irrational enthusiasm for automobiles, especially in the 1920s and 1930s
“The collector’s automania led him to buy multiple rare models in a short period of time.”
2. noun
an excessive or irrational enthusiasm for anything, especially a hobby or interest
“His automania for collecting vintage toys eventually took over his entire living room.”