Cadillac Formula 1 driver Sergio Perez believes Aston Martin's significant car update at this weekend's Hungarian GP will close the gap with his team.<br>Aston Martin has struggled massively with its AMR26, and with engine partner Honda also facing a steep development curve, the team decided to hold back its upgrades until it could bring enough performance to the car to lift it from the back of ...<a class='more' href='https://www.motorsport.com/f1/news/cadillac-sergio-perez-fears-aston-martins-hungary-close-the-gap/10841066/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-F1&utm_term=News&utm_content=www'>Keep reading</a>