Grand Like

What is the difference between a Grand National and a GNX?

I would like to know the differences between the two as far as minor differences in the exterior of the car as well as changes in the engine work, etc. I would also like to know, are all Grand Nationals T-Types? And what exactly does T-Type mean? How can you tell the differences?

you guys are idiots!! there were 3 versions of the buick regal... the grand national the gnx and the t-type.. all were optioned differently., all were offered in different years. the gnx was the last one produced and the fastest with 276 hp

the t-type did not mean t tops idiots.. it was buicks line of turbocharged cars.. such as the riviera and the skylark.. and a few other models including the regal which looked like your grandmas buick .. with a turbo under the hood