Prior to that, the Frenchman won the French F4 Junior title in 2019 and scored podiums in the Formula Regional European Championship.

[3] His season started out modestly, as he would only score three top ten finishes in the first two rounds at Nogaro and Pau, however he would take the first podium of his single-seater career at the following event at Spa.

Bernier's results improved steadily from there, as he was able to finish in the top five and on the podium more consistently, which ultimately culminated in a win at the final round of the season.

For the 2020 season Bernier moved to R-ace GP to contest the ADAC Formula 4 Championship, where he would partner Kirill Smal.

[7][8][9] Bernier generally beat his teammates over the race weekends and took a sole win in Hockenheim after the original winner Ollie Bearman had received a penalty for causing a collision.

[19] After their return, Bernier managed to score points on three further occasions, results which included a second place at Monza he inherited after two drivers ahead were penalised.