Antonelli was so quick in Formula 4 Mercedes swapped his engine to check | Other motorsport

Andrea Kimi Antonelli's impressive speed in Formula 4 led Mercedes to investigate whether he had an engine advantage. The team was surprised by his performance, prompting them to check the engine used by the young driver.

James Vowles, the team principal of Williams and former Mercedes employee, highlighted Antonelli's transition from karting to single-seater racing. He noted that Antonelli not only won races but did so with a significant margin, showcasing his talent in his first full season in the Italian Formula 4 championship.