Gabriel Bortoleto believes Audi would be fighting at the front of the Formula 1 field if it were not for the power unit deficit the German manufacturer is facing in its first season in the championship.<br>The Brazilian is convinced Audi's chassis is capable of much more than its current results suggest, with the team's lack of straight-line speed proving to be its biggest limitation.That ...<a class='more' href='https://www.motorsport.com/f1/news/gabriel-bortoleto-makes-bold-claim-about-audis-f1-chassis/10834226/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-F1&utm_term=News&utm_content=www'>Keep reading</a>