Vettel thinks he's not always performed optimally last season now

Sebastian Vettel thinks he's not always shot the best of himself last season. According to the Ferrari driver, this was due, among other things, to a difficult period within the team.

"When I look at the season, I certainly did not perform at the top of my skills here and there," Vettel analyzes on Thursday at Motorsport.com . "At times, I could have done better than me."

Vettel finished second behind Lewis Hamilton this year in the championship. The German won five races, but his last victory was at the Belgian Grand Prix at the end of August

"We took a step back at the end of the year, which made us more competitive "he explains. "But we know what's wrong."

"It was a difficult year"

According to Vettel, Ferrari also had a difficult time. Sergio Marchionne, director of the Italian Formula 1 team, died at the end of July 2014.

"In general, it was a difficult year," he concludes. "The team is strong, but a lot has happened within the team and Marchionne's death has certainly had an impact, it was a tough time."

Despite this, the four-time world champion also sees some positives. "We also had a lot of races where we reached the maximum and where I felt that I had done everything, which made me happy."

For example, Vettel has been cleared seven times this season in addition to his five wins. enter the scene. Finally, he gave Hamilton 88 points in the championship.