its not just the overall appearance, its Material Quality.
injection molded foam interior panels > GM plastic junk.
althought the Pontiacs had the better of the available interiors. i do like the GTO. C5/6 vettes are not terrible, once you ditch the headunit and the dumpy steering wheels. the seats are flimsy and unsupportive too…
thats the huge interior arguement.
but Trans Am > Camaro interior all day