Following a successful and entertaining first season, Formula E has been preparing to embark on its second campaign with pre-season testing at Donington Park in England, where the teams came together for the first time since the London ePrix in June to test out their new cars and new powertrains.
The first Formula E season saw a field of identical cars, designed and built by Spark Racing Technology (Spark-Renault SRT_01E) together with the expertise from McLaren, Williams, Dallara, Renault and Michelin.
For season two the rules regarding the powertrains have been opened and eight new manufacturers have entered Formula E. The new motors, invertors and gearboxes have created unique new sounds
The result has been a number of different sounding cars with different motor and gear variations.
Check out the new sound of Formula E in the video below, and see if you can hear the differences in each of the powertrains.