When a 1969 Pontiac Grand Prix SJ clears its throat, it doesn’t whisper—it belts out a bass line worthy of Motown. Forget smooth banker’s rides. This one packs a 428-cubic-inch V8, a four-speed stick, ...
Two small letters carried big weight in Pontiac’s late-sixties lineup: SJ. Officially short for Sports J, the designation marked the top trim level of the 1969 Grand Prix, loaded with stronger ...