Third practice for the 2017 Formula 1 Mexican Grand Prix, the 18th round of the season, took place at the Autódromo Hermanos Rodríguez.
Max Verstappen was fastest with a 1:17.113. Lewis Hamilton was second, 0.075 seconds behind, followed by Sebastian Vettel in third, 0.117 seconds off the pace.
The top five were Max Verstappen, Lewis Hamilton, Sebastian Vettel, Valtteri Bottas and Daniel Ricciardo, in that order. Mercedes and Red Bull each had two drivers in the top five, with Ferrari represented by one.
Valtteri Bottas was fourth, 0.170 seconds behind the leader, while fifth-placed Daniel Ricciardo was 0.248 seconds adrift.
Nico Hülkenberg completed the top ten, 1.267 seconds slower than the session leader.
Kimi Räikkönen and Marcus Ericsson completed the joint-most laps with 27 each, while Pierre Gasly ran the fewest with two.
At the lower end of the classification, Fernando Alonso was 16th, Romain Grosjean 17th, Pascal Wehrlein 18th, Stoffel Vandoorne 19th and Pierre Gasly 20th. Gasly did not record a time.
| Pos. | Driver | Team | Time / Gap | Laps |
|---|---|---|---|---|
| 1 | Max Verstappen | Red Bull | 1:17.113 | 20 |
| 2 | Lewis Hamilton | Mercedes | +0.075s | 23 |
| 3 | Sebastian Vettel | Ferrari | +0.117s | 21 |
| 4 | Valtteri Bottas | Mercedes | +0.170s | 18 |
| 5 | Daniel Ricciardo | Red Bull | +0.248s | 10 |
| 6 | Kimi Räikkönen | Ferrari | +0.404s | 27 |
| 7 | Sergio Pérez | Force India | +0.927s | 20 |
| 8 | Esteban Ocon | Force India | +1.052s | 18 |
| 9 | Carlos Sainz | Renault | +1.095s | 21 |
| 10 | Nico Hülkenberg | Renault | +1.267s | 21 |
| 11 | Brendon Hartley | Toro Rosso | +1.489s | 23 |
| 12 | Felipe Massa | Williams | +1.577s | 23 |
| 13 | Lance Stroll | Williams | +1.953s | 20 |
| 14 | Kevin Magnussen | Haas | +2.092s | 19 |
| 15 | Marcus Ericsson | Sauber | +2.218s | 27 |
| 16 | Fernando Alonso | McLaren | +2.452s | 22 |
| 17 | Romain Grosjean | Haas | +2.473s | 22 |
| 18 | Pascal Wehrlein | Sauber | +2.713s | 16 |
| 19 | Stoffel Vandoorne | McLaren | +2.917s | 25 |
| 20 | Pierre Gasly | Toro Rosso | No time | 2 |
