Retaining his seat for 2024, Piastri achieved his maiden victory in Hungary, becoming the fifth Australian driver to win a Formula One Grand Prix, and repeated this feat in Azerbaijan.

As of the 2024 Abu Dhabi Grand Prix, Piastri has achieved two race wins, three fastest laps and ten podiums in Formula One.

[6][7][8] Chris Piastri served as his son's mechanic during Oscar's early racing years in Australia and is the founder and owner of HP Tuners, a vehicle diagnostics automotive software company.

[11] As of July 2024[update], Piastri is dating Lily Zneimer, an engineering graduate whom he met whilst at boarding school.

[16][17][18] In early 2016, Piastri landed his first major sponsorship, HP Tuners (founded and owned by his father), which helped fund his racing career.

[19] In September 2022, Red Bull Racing principal Christian Horner revealed that he missed a chance to sign Piastri to their junior team during his Formula 4 years.

[a][31] In October 2019, Piastri joined the post-season test with reigning FIA Formula 3 team champions Prema Racing.

[32] In January 2020, the Italian outfit signed Piastri to contest the upcoming season,[33] alongside Logan Sargeant and 2019 Formula Regional European champion Frederik Vesti.

[39] Piastri started fifth for the sprint race in Barcelona, but overtook multiple cars to take the lead before the end of the first lap.

[46] Piastri lined up 16th on the grid for the final feature race at the Mugello Circuit[47] and failed to score points after finishing 11th.

[50][51] In December 2020, Piastri announced that he would continue with Prema Racing into Formula 2, replacing the departing Mick Schumacher and partnering Ferrari Driver Academy member Robert Shwartzman for the 2021 season.

[53] Piastri started the feature race from eighth place but passed multiple cars to take the lead by lap 13 of 32.

[54] Piastri took consecutive second-place finishes at the Monaco round to take second place in the championship standings behind Zhou.

[76][77] In June 2022, rumours emerged suggesting Piastri would drive for Williams in 2023 on loan from Alpine, who were initially expected to retain Esteban Ocon and Fernando Alonso.

[82] Alpine team principal Otmar Szafnauer followed up by criticising Piastri's actions and "integrity as a human being", saying that he expected loyalty from the former academy driver, and threatened to take the contract matters to court.

[86][87] Prior to the Dutch Grand Prix, the CRB ruled against Alpine, and Piastri shortly announced he would be joining McLaren from 2023 onwards.

[88][89] In their final judgement, the CRB also revealed that Piastri had signed his McLaren contract almost two months earlier on 4 July – the day after the British Grand Prix.

[104] He qualified fourth at the Hungarian Grand Prix and ran in second place in the early laps, but dropped to fifth by the chequered flag.

[108] A red flag in qualifying resulted in a 17th-place start at the Singapore Grand Prix,[109] but Piastri recovered to score points in seventh place.

[2] Days later, he qualified second for the Japanese Grand Prix – his first time at Suzuka Circuit – behind Max Verstappen and ahead of teammate Norris.

He was rated the seventh-best driver of the season in a poll of the ten Formula One team principals,[116] and Sky Sports praised his debut campaign as "very impressive" but added that his race pace and tyre management required improvement to match Norris.

[122][123] At the Miami Grand Prix, he finished sixth in the sprint but 13th in the main race, won by teammate Norris,[124] following a collision with Carlos Sainz Jr. in a battle for second place.

[125][126] Piastri qualified second at the Emilia Romagna Grand Prix, but was demoted to fifth for impeding Kevin Magnussen[127] and went on to finish fourth.

Piastri ran as high as second place at the British Grand Prix after qualifying fifth, but lost positions when McLaren switched him to intermediate tyres one lap later than Norris and went on to finish fourth.

[134] The result allowed him to take fourth place in the Drivers' Championship from Carlos Sainz Jr.[135] During the summer break, Piastri revealed that he had broken a rib during the first half of the season, caused by an improper seat fit.

He qualified on pole for the sprint at the São Paulo Grand Prix, but was ordered by McLaren to cede the lead to Norris in the closing laps.

[140] With his tenth-placed finish at the Abu Dhabi Grand Prix, Piastri became the fourth driver in history to complete every lap of a Formula One season.

[141] Piastri finished 2024 4th in the drivers championship with 292 points, 5 places higher than 2023 scoring two wins, seven podiums and one fastest lap during the season.

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