We're at the Autódromo Hermanos Rodriguez for round 20 of 2025 - but with so little of the season remaining, why have a bunch of teams brought new upgrades? Sam Collins talks us through the unique temperature and altitude obstacles that teams need to overcome at one of F1's toughest races! Subjects in this video: 00:12 The fastest Formula 1 driver ever? 01:47 The effect of altitude 02:39 Williams' cooling modifications 04:48 Red Bull's car updates 07:46 Ferrari's cooling modifications 09:49 Sauber's cooling modifications 11:01 Haas' cooling set-up 11:56 VCARB's cooling modifications 12:57 Alpine's cooling modifications For more F1® videos, visit: Formula1.com Visit our store: f1store.formula1.com Follow F1®: instagram.com/F1 facebook.com/Formula1 twitter.com/F1 twitch.tv/formula1 tiktok.com/@f1 #F1 #MexicoGP #F1TV