Palou dominated the 2023 IndyCar season, scoring five wins, 10 podiums and two poles en route to his second title, which he secured with a round to spare.
Despite this, Palou remains critical of his own performances and dismissed the notion that he is a complete driver.
“It's not super far, but it's far enough that it's painful,” Palou said.
“Once I finished my Gateway race [in seventh], I was like, 'Man, I wish I could just go again and do it again.'
“I learned so much. Every race I finish, I learn a lot. But I'm not that close. I'm not as close as I would like to be.”
Palou took pole for the 107th running of the Indianapolis 500 this term but his hopes of victory disappeared when he was caught up in a mid-race incident involving Rinus Veekay.
Identifying ovals as an area for improvement, the Spaniard added: “I need to win an oval race.
“It's easy, man. It's simple to know what we can improve.
Source: Autosport