Watch: Sebastian Vettel test drives the Ferrari FXX K at Fiorano | OnBoard Test Acceleration. OnBoard Test Acceleration.

Back in 2015, with Scuderia Ferrari German driver Sebastian Vettel charging around Fiorano in the new FXX K track special, the heated-up LaFerrari hot-rod. One thing is certain: Sebastian Vettel had some serious fun behind the wheel of the FXX K at Fiorano. The look on his face and his delighted exclamations (“Mamma mia! It goes like a rocket!”) in this video say it all.

— see video above —