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, ...

You know a car is really rare when world-renowned car collector and gearhead Jay Leno admits he has heard about it but never seen one in the metal. The 1969 Pontiac Grand Prix SJ is one of those cars, ...

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 ...

Back in the late ‘60s, Pontiac launched the Grand Prix SJ as the answer to growing demand for personal luxury cars with real performance credentials. Cradling a powerful 428 cubic-inch V8 and offered ...

In the late 1960s, few GM divisions were as daring as Pontiac, consistently pushing out engines that would take on whatever the muscle car era had to offer. Among their most notable offerings was the ...