Team Summary:
The final hour of practice for the 2018 Brazilian GP would see drivers come out for their installation laps running on a mix of soft and supersoft tyres. The track would empty with Raikkonen next to come out using the supersoft tyre. He would set a time of 1m:09.424 while the Williams drivers would be second and third as Raikkonen set a 1m:09.409 to improve his quickest times. More drivers were coming out and it would be Vettel who would go quickest with a 1m:08.857 on the supersoft tyre. Raikkonen was now second followed now by Sainz. Bottas would go third as Hamilton pitted without setting a time. Leclerc was now fourth followed by Gasly, Ericsson, Sainz and Alonso. The Williams drivers were now ninth and tenth. The top six were all on the supersoft tyre.

Hulkenberg would move up to fifth seeing the Williams drivers now 10th and 11th. Gasly and Ericsson were now ahead of Hulkenberg with the Renault's now 7th and 8th. Bottas was now second with a 1m:09.310 while the Williams pair were now 14th and 15th. Leclerc was now fourth followed by Grosjean and Magnussen. The Hass drivers were both on the soft tyre. The Williams drivers wree now 15th and 16th with thirty minutes remaining. Hamilton would return and would set a time for second behind Vettel. After their supersoft tyre runs the Williams drivers would be 9th and 11th with Sergey leading Lance. Ricciardo was now fourth and Verstappen fifth both on the supersoft tyre. Raikkonen was now quickest with a 1m:08.490 after a run on new supersoft tyres. Vettel would improve to go quicker with a 1m:07.948 seeing Raikkonen now second followed by Hamilton and Bottas. Bottas would improve to be second behind Vettel.

With twenty minutes remaining the Williams pair were 11th and 14th. Vettel was quickest from Bottas, Raikkonen, Hamilton, Ricciardo, Verstappen, Leclerc, Grosjean, Magnussen and Gasly tenth. Fifteen minutes remaining and only Hamilton was on the track. but he would be joined by others with qualifying simulations were the focus. Hamilton would go second but he was 0.2 behind Vettel. Grosjean was out on his first supersoft run joined by Magnussen. Grosjean would move up to sixth as more drivers were coming out on new supersoft tyres. Leclerc would improve his time but remained eighth. Magnussen was now sixth ahead of team-mate Grosjean. Ocon would move up to 10th as Verstappen went fifth and Ricciardo was now sixth. With the end of the session it would be Vettel still quickest followed by Hamilton, Bottas, Raikkonen, Verstappen, Ricciardo, Magnussen, Grosjean, Gasly and Leclerc tenth. The William drivers would finish in 15th and 17th with Sergey ahead of Lance. Another reasonable practice that must give them some hope of making it into the second period of qualifying..

Lance Stroll:
Lance would follow his team-mate out also on used soft tyres. Lance was on a timed lap but would say his tyres aren't ready. He would set a slow 1m:24.603. His next lap was a 1m:10.920 to be second. Lance would also pit after a five lap run. In his pit Lance would drop to 10th with just under forty minutes remaining. This would become 16th as he returned to the track for a run on the supersoft tyre. He would set a 1m:10.037 to be 11th. This would become 13th then 14th as Hulkenberg moved ahead of him. Lance was back out on new supersoft tyres for his final run. Lance would drop to 15th as he started his run. This would become 17th having failed to improve his time. He would pit after a six lap run ending his session.

Sergey Sirotkin:
Sergey would come out for his first run using used soft tyres and would set a 1mn:11.169 pitting the next lap. Sergey was third as he sat in the pits. Sergey had dropped to 11th but this would become 16th. Sergey would return for a run on the supersoft tyre. he would set a 1m:09.886 to be eighth. He would drop to ninth ahead of Ericsson. This would become 11th and he would pit after a six lap run. With under ten minutes remaining Sergey would return on new supersoft tyres. He would improve his first sector but would not improve his position of 11th. He would drop to 15th as others moved ahead. Sergey would pit after a five lap run ending his practice. He would be just four tenths outside the top ten.