▁al beit ▁going ▁on ▁track . ▁The ▁Sa uber ▁cars ▁and ▁Max ▁Ver st appen ' s ▁Tor o ▁Ros so ▁did ▁not ▁leave ▁the ▁gar age ▁at ▁all ▁during ▁the ▁session . ▁ ▁Although ▁rain ▁fell ▁on ▁Saturday ▁morning , ▁the ▁track ▁had ▁d ried ▁by ▁the ▁start ▁of ▁the ▁final ▁free ▁practice ▁session . ▁Lewis ▁Hamilton ▁again ▁set ▁the ▁fast est ▁time ▁with ▁ 1 : 2 5 . 6 2 4 , ▁less ▁than ▁two - t enth s ▁of ▁a ▁second ▁in ▁front ▁of ▁team mate ▁Ros berg , ▁with ▁Sebastian ▁V ett el ▁in ▁third ▁position ▁close ▁behind . ▁The ▁fast est ▁times ▁had ▁been ▁set ▁on ▁the ▁super - soft ▁ty re ▁comp ound . ▁However , ▁Mer cedes ' s ▁advantage ▁over ▁Ferr ari ▁proved ▁more ▁significant , ▁up ▁to ▁seven - t enth s ▁of ▁a ▁second ▁on ▁the ▁harder ▁soft ▁comp ound , ▁the ▁ty re ▁most ▁likely ▁to ▁be ▁used ▁in ▁the ▁race . ▁Tor o ▁Ros so ▁confirmed ▁their ▁good ▁pace ▁for ▁the ▁week end ▁with ▁fourth ▁and ▁sixth ▁place ▁for ▁Carlos ▁Sain z ▁and ▁Max ▁Ver st appen ▁respectively , ▁being ▁about ▁half ▁a ▁second ▁quick er ▁than ▁their ▁sister ▁team , ▁Red ▁Bull ▁Racing . ▁A ▁major ▁incident ▁occurred ▁just ▁seconds ▁after ▁the ▁beginning ▁of ▁the ▁practice ▁session , ▁when ▁Rio ▁H ary anto ▁and ▁Rom ain ▁Gros je an ▁coll ided ▁in ▁the ▁pit ▁l ane . ▁Both ▁cars ▁needed ▁to ▁equip ▁new ▁front ▁wings ▁and ▁Ha as ▁also