What is the rebranded name of the racing series now that was won in 2016 by the Prema Powerteam?
Prema Powerteam: Prema Powerteam (competing as Prema Racing in the FIA Formula 2 Championship) is a motorsport team from Italy. Prema Powerteam:  Its most recent success is winning the GP2 Drivers' title with Pierre Gasly and Teams' championship. 2016 GP2 Series:  It was the final season run under the "GP2 Series" name, with the championship being rebranded as the FIA Formula 2 Championship from 2017.
FIA Formula 2 Championship