It was such a good engine, in fact, that it won a spot on Ward's 10 Best Engines Of The 20th Century. Think of the Buick 3800 as the Chevy small-block of American V6 engines.

At the heart of the Ultra–and the largest specific item that distinguishes it from the lesser Park Avenue–is its supercharged 3.8-litre V6 engine. There may be no substitute for cubic inches ...

Buick first introduced the Park Avenue name for the 1975 model year as a trim level on the Electra 225. In 1991, Buick dropped the Electra nameplate altogether, leaving its newly designed ...