Retired from GM
ZL1 1LE is the king when it comes to road coarse racing. In my opinion the bottom comparison is only valid for road coarse racing.
ZL1 1LE > GT500 CFTP>GT500>=ZL1>= C8 Z51> GT350R >C8>GT350>= SS 1LE
And only one of those models can be a manual. And it still hangs with these other cars close enough. I know which one I'd pick.
I counted 5 that could be MT. The blue onesThere's no less than 3 that have a 'row-it-yourself' manual, and 2 more that are push-a-button manuals.