Smallest was a 1980 Ford Fiesta. Runners up would be '80 Ply. Champ, '82 Ford Escort, '76 Fiat 128, etc., etc.
Largest auto was likely '73 Ply. Fury III 2dr. Runner ups, '59 DeSoto Firedome and '65 Chry. Newport.
Largest truck, likely an '08 Chev. Silverado single cab with 8 ft. bed.