It's worth noting that Auburn has had several other seasons with only one loss, such as 1957, 1983, 1989, and 2004. They also went 13-0 in 2010, but this included a bowl game.
What year did auburn tigers go undefeated?
The Auburn Tigers have gone undefeated in a regular season only once: 1993. They finished the regular season 11-0, but lost to Alabama in the SEC Championship game.