The 394 was the only engine available on the 1964 Starfire. Oldsmobile launched a 425 on the 1965 model year, upgrading the maximum power to 375 horsepower.

Coverstory • 1956 Oldsmobile Starfire. Got '56 Olds Starfire in 1958, Drove It 320,000 Miles, Still Won't Let His Sons Drive It. Published: 16 Apr 2025, 09:25 UTC • By: Razvan Calin.