Back in the limelight in 2024 thanks to Kendrick Lamar, these hot Buicks defined American muscle in the 1980s.

The first Buick Grand National (1984 model year) introduced sequential fuel injection and a computer-controlled ignition to go with its turbocharged 3.8-liter V-6 engine, with an intercooler ...

Make certain the engine of the Buick Grand National GNX is up to temperature. Hold your left foot lightly on the brake while your right foot presses down gently on the accelerator.

From the March 1999 issue of GM High-Tech Performance: The 1986 and 1987 Buick Regal Grand National set the performance bar high in the 1980s, not with a V-8 but with a turbocharged intercooled V-6.

Turbocharged cars have always been a fascinating chapter in automotive history, especially during the muscle car era. These ...

The back story of how Buick's landmark 1980s muscle cars happened, straight from the horsepower makers' mouths.

By 1987, the darling year for the Buick Grand National, the engine made 245 hp and 355 lb-ft of torque.

This 1987 Mazda RX-7 features an engine from a Buick Grand National, the 3.8-liter turbocharged V6.

Buick's GNX was a special, performance edition of the 1987 Grand National, and it is a car so good it needs to make a return in the 21st century.

The Buick GNX was initially overshadowed by the Corvette, but independent groups revealed its true power and it became a powerhouse. The Buick GNX and its turbocharged Grand National stablemates ...

Starting out as a Buick Regal, here's how the Grand National evolved into one of the most desirable muscle cars of the '80s ...

Citing an inside source, Edmunds is reporting that Buick is looking to launch a new Grand National sedan as well as new versions of the T-Type and GNX variants. Instead of using the Regal as the ...