https://www.motorauthority.com/news/1120910_the-2020-ford-mustang-shelby-gt500-doesnt-have-a-manual-transmission-heres-why
GT500 won't have a manual. That alone keeps the GT350 as unique.
I'll take a Naturally Aspirated, Flat-plane Crank, manual transmission over big power and tech without...
It depends if the GT500 gets offered with a manual or DCT only. We'll know that tomorrow after the release.
GT500 is a cross-plane crank so the flat-plane is still unique to the GT350
I just got a new 2017 with 1k demo miles (still being sold as a new car with full warranty) for $48.5k. Sticker was $60.5k
Deals are out there if you shop around and call a few dealers and make offers. The key is to find one that is motivated to sell