United States GP: Verstappen tops FP3 as Leclerc hits trouble

Red Bull driver Verstappen bested Sebastian Vettel by 0.218s in Saturday's FP3 session, but Vettel ended up the only Ferrari driver to set a laptime.

Twenty minutes into the session his teammate Leclerc seemed to lose power towards the end of the lap and pulled over on the run-off before the penultimate corner.

Ferrari revealed after the session that an oil leak had caused the stoppage and said it would revert to an older engine for the remainder of the weekend, thus avoiding a grid penalty.

Light smoke was emerging from the rear of his Ferrari as he came to a rest and continued to do so as the car was wheeled behind the barriers. The recovery of Leclerc's car, which was eventually returned to the Ferrari garage mid-way through the session, caused a brief virtual safety car period before the session resumed under green flag conditions.

Vettel and Verstappen duelled for the fastest time on the first runs before Valtteri Bottas kicked off the next new-tyre efforts and jumped to first with the first sub-1m34s lap, a 1m33.904s.

After having an earlier lap deleted for running too wide exiting the penultimate corner, Vettel found almost a second on new rubber and lapped almost four tenths quicker than Bottas.

Verstappen initially set a time within two tenths of Vettel's 1m33.523s, and locked up at Turn 1 as he tried to improve. However, Verstappen did eventually depose Vettel one final time, clocking a 1m33.305s.

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Neither Mercedes driver seriously threatened to top the session and as Bottas and Lewis Hamilton ended up more than half a second adrift, Norris stole an unexpected third.

The rookie was just 0.533s slower than Vettel as his 1m33.818s beat Bottas by eight-hundredths of a second and Hamilton by just over a tenth.

Alex Albon completed the top six in the second Red Bull, 0.678s slower than teammate Verstappen.

Carlos Sainz was twice as far from the benchmark in seventh as his teammate Norris, but shunned the soft tyre for most of the session.

He was 1.1s off the pace, but a tenth quicker than the Alfa Romeo of Kimi Raikkonen in eighth.

Pierre Gasly's Toro Rosso and Daniel Ricciardo's Renault completed the top 10.

At the back of the field, without a representative time in 19th, Sergio Perez's Racing Point was fitted with a new engine, turbocharger, MGU-H and MGU-K for final practice.

The engine changes and lack of qualifying simulation work were tactical decisions from the team as Perez will start from the pitlane because of a weighbridge infringement on Friday.

Perez will be hit with a grid penalty for the engine component changes but it will be an irrelevant formality for the Mexican, who now has the fresh components available to him for this weekend and rest of the season.

Cla	Driver		Chassis	Laps	Time	Gap
1	Max Verstappen		Red Bull	13	01'33.305
2	Sebastian Vettel		Ferrari	17	01'33.523	00.218
3	Lando Norris		McLaren	14	01'33.818	00.513
4	Valtteri Bottas		Mercedes	17	01'33.904	00.599
5	Lewis Hamilton		Mercedes	16	01'33.923	00.618
6	Alex Albon		Red Bull	14	01'33.983	00.678
7	Carlos Sainz Jr.		McLaren	15	01'34.408	01.103
8	Kimi Raikkonen		Alfa Romeo	18	01'34.513	01.208
9	Pierre Gasly		Toro Rosso	14	01'34.517	01.212
10	Daniel Ricciardo		Renault	11	01'34.774	01.469
11	Nico Hulkenberg		Renault	11	01'34.784	01.479
12	Lance Stroll		Racing Point	14	01'34.792	01.487
13	Romain Grosjean		Haas	17	01'34.849	01.544
14	Daniil Kvyat		Toro Rosso	16	01'35.129	01.824
15	Kevin Magnussen		Haas	14	01'35.305	02.000
16	Antonio Giovinazzi		Alfa Romeo	15	01'35.956	02.651
17	George Russell		Williams	15	01'36.256	02.951
18	Robert Kubica		Williams	17	01'36.628	03.323
19	Sergio Perez		Racing Point	22	01'38.426	05.121
20	Charles Leclerc		Ferrari	1
View full results