When they were introduced, these five muscle cars were not only the quickest American rides over the quarter-mile, but were also quicker than some Ferraris ...

Some cars became performance flagships overnight when their engineers swapped in powerful mills to give them the power they craved.

Still, those unfamiliar with them are regularly shocked by the powerful performance hidden beneath their modest appearances. Since the sleeper car culture remains strong, here’s a list of classic ...

While the Buick GNX was already old at this point, its astounding engine was still the most powerful available, and Pontiac decided to use its proven turbocharged V6 powerplant for the new Trans-Am.

A one-of-547 Buick GNX coupe was seemingly butchered to use as a prop during Kendrick Lamar's Super Bowl LIX halftime show on Sunday.

This fact prompted Lloyd Reuss of Buick to create a new kind of sports car, which became the GNX. Initially, only 500 1987 Buick GNXs were created, in honor of the NASCAR race, the Daytona 500.

The GNX is one of the quickest-accelerating cars of the 1980s. When it came out, car fanatics were surprised that the Buick brand made such a powerful car, which is one of the reasons its legacy ...

Buick may not be famous for muscle cars, but they sure did create some of the baddest rides of the Golden Age.

Kendrick Lamar and the GNX go way back In a 2012 interview with Complex, Lamar shared that his father drove him home from the hospital in a Buick Regal, a cheaper, pedestrian-spec version of the GNX.

Lamar was also born in 1987, when Buick released the Regal and the GNX. "When I was born, I came home from the hospital in an '87 Buick Regal while my pops was bumping Big Daddy Kane," said Kendrick.

The GNX 3.8 V6 Turbo could go from 0-60 MPH in 5.3 seconds and had a top speed of 124 MPH. Not exactly a race car, but definitely one of the faster sedans on the road at the time.