I think the blue ember is only available with a package that cost 1500€, could be the reason doesn't show the price increase.
About the prices... If you build an "european GT" in the USA configurator with AT 10 speed, Performance pack, magneride, red brembos... the price is over 60,000$ (no...
Ford Spain spoted this teaser, I've not received the email.
https://fb.watch/pUuAsGNY15/
From Ford Italia web: Power- Accelerazione (0-100 km/h)
GT 446hp
Manual 5.3 sec
AUT 4.9 sec
Dark Horse 453hp
Manual 5.2 sec
AUT 4.4 sec
Is this worse numbers than S550?
Seeing the HP... Ford will sell a car with less power for more money. We'll see the prices in everycountry, but it's possible would be better buy a Mach 1.
It’s confirmed in these review
https://www.autoexpress.co.uk/ford/mustang/360724/new-ford-mustang-dark-horse-2023-review
https://www.autocar.co.uk/car-review/ford/mustang-dark-horse