We take a look at the significant upgrades Mercedes and Ferrari have brought to Barcelona in the quest to gain a performance advantage in the fight for the Formula 1 contructors' championship.
Next Up
Related Articles
Listen to F1 Nation's Barcelona-Catalunya GP review
Barcelona GP a 'reality check' for Red Bull, admits Mekies
7 moments you might have missed at the Barcelona-Catalunya GP
ExclusiveRosberg hails ‘legendary moment of F1’ as Hamilton wins
Ferrari would be dominating with 'better engine' – Norris
BettingHamilton turns back time with a Barcelona masterclass