Engine builder Ken Duttweiler(right)and Dave Halderman are plenty pleased with the 2 horsepower-per-cubic-inch performance of their single 4-barrel Buick V6. Duttweiler found that torque readings and ...

This cutaway comparison of a standard 3.8-liter block (left) and a heavy-duty 3.8-liter block (part No. 25500003) reveal thicker main webs, an additional lifter valley rib and heavier pan rails. The H ...

Deep dive on a rare 1980s turbo V6 car that made more torque than big-blocks, its tech secrets, current values, and other fast V6 rivals.

The turbocharged, 3.8-liter Buick V6 is legendary, and for good reason. Even those with “no replacement for displacement” tattooed on their bicep have respect for the boosted six-pot. That’s because ...

Tyler Hoover bought his wife's dream car, a Buick GNX, just months after the had acquired his own dream car, the 1955 Mercedes-Benz 300 SL Gullwing ...

Each division of General Motors once had its own set of engines, some shared with other divisions but most exclusive to a particular marque. The proliferation of US-market GM engines reached its peak ...

When the new Buick Regal was unveiled last week, one thing caught our attention, the lack of a V6 engine. At the time of the car’s announcement in both Sportback and TourX guises, Buick said it will ...

Last month I marveled at the comfort of my fiancée's 1997 Oldsmobile LSS. It was old-school American luxury mixed with the kind of delightful hubris that led General Motors to believe that it would ...

With an unconventional design and futuristic tech, the 1985 Wildcat remains one of the most jaw-dropping concept cars to don Buick badges. Still around today, thanks to its success in the Chinese ...