Gregoire Saucy made his single seater debut back in 2016 driving for RC Formula in the V de V Challenge Monoplace. He finished the championship in 4th place with 3 podiums. Saucy raced full-time in the Formula Renault Eurocup in 2020 driving for ART Grand Prix. He had a successful year with two podiums and several points scoring finishes leaving him in 7th in the standings overall. Saucy reunited with ART Grand Prix for the 2021 Formula Regional European Championship. Saucy had a very successful season with 10 podiums including 8 victories which allowed him to win the championship title. 

The Swiss driver made the move to Formula 3 for the 2022 season to drive for ART Grand Prix. He scored his first podium at the second race of the season but with only 3 more points finishes he ended the season 15th in the standings. For the 2023 season Saucy will remain with ART Grand Prix.