Arriving in 1987, the GNX took the Buick Regal—which was already offered in go-fast Grand National form—and turned up the ...
with the Regal T-Type and Grand National being performance variants with the infamous 3.8-liter turbocharged V-6. They were dueling with 5.0 Mustangs and IROC Camaros of the day, but the GNX was a ...
Buick's Grand National would eventually spin off from the Regal, evolving over the next few ... in the guise of GNX. While some Buick devotees were no doubt confused by that suffix, it was ...