By 1987, the ahead-of-their ... Under the hood, however, the GNX was anything but, with Buick teaming with specialists at McLaren Performance Technologies to give the build a serious makeover ...

Arriving in 1987, the GNX took the Buick Regal—which was already offered ... 6 amounted to a serious punch with the pedal ...

The 1987 Buick GNX only produced 547 units, plus a 1986 prototype An output of 300 horsepower was achieved by adding a ceramic intercooler and turbocharger to the base Buick 213 engine The car was ...

The 1987 Buick Grand National GNX looks just as mean today as when ... but they make their performance credentials in very different ways. Ken Lingenfelter even weighs in during the video to ...