Ferrari's Charles Leclerc topped the timesheets during Tuesday’s post-season testing session in Abu Dhabi, ahead of former team-mate and new Williams driver Carlos Sainz.
Leclerc outpaced Sainz by 0.125 seconds as the 2024 season concluded at the Yas Marina Circuit with a combined Pirelli tyre evaluation and young driver test.
Mercedes’ George Russell was third-quickest ahead of ex-Haas driver Nico Hulkenberg, who took fourth on his second debut with Sauber.
Hulkenberg's new team-mate and Formula Two champion Gabriel Bortoleto also made his first appearance for the Swiss team, but could only manage an 18th-placed finish.
Having missed the morning’s action as he recovered from illness, Kimi Antonelli did make an appearance in Mercedes’ W15, finishing fifth-fastest.
Pato O'Ward ended up seventh for McLaren, ahead of Jack Doohan, who made his Formula One race debut for Alpine last weekend at the Abu Dhabi Grand Prix.
Newly-confirmed 2025 Alpine reserve driver Paul Aron was ninth-fastest on his first F1 outing, with new Haas signing Esteban Ocon rounding out the top-10.
Liam Lawson ended up 13th for RB and logged the most laps of the 23 drivers who took part, completing 159 tours of Yas Marina.
Yuki Tsunoda had his first run in a Red Bull F1 car, finishing the day 17th, just behind McLaren's Lando Norris, who won the season-ending race last Sunday.
The 2025 F1 season returns next March, with the Australian Grand Prix in Melbourne the first race of the campaign.