No NFL team has ever won more than two consecutive Super Bowls.
Yes ... not only are the Bills the only team to lose four consecutive Super Bowls they are the only team to ever play in four consecutive Super Bowls.
The Buffalo Bills played in and lost four consecutive Super Bowls. The Bills were in Super Bowls XXV, XXVI, XXVII, XXVIII.
The Buffalo Bills in Super Bowls XXV through XXVIII.
The Buffalo Bills, who lost their appearances in Super Bowls XXV, XXVI, XXVII and XXVIII.
The Buffalo Bills have the most consecutive appearances in a Super Bowl. The went to Super Bowls XXV, XXVI, XXVII, and XXVIII. The lost all four games.
The Buffalo Bills lost 4 Consecutive Super Bowls from 1991 - 1994.
Thurman Thomas scored 1 touchdown in each of 4 consecutive Super Bowls with the Buffalo Bills. The Bills are the only team to ever play in 4 consecutive Super Bowls, but lost all four games: Super Bowl XXV, XXVI, XXVII, and XXVIII.
As of Super Bowl XLII, no quarterback nor team has won three consecutive Super Bowls.
No team has ever lost 5 Super Bowls. The Buffalo Bill lost 4 consecutive Super Bowls from 1991 - 1994.
No National Football League team has ever won three consecutive Super Bowls. But both the Dallas Cowboys and the New England Patriots won three Super Bowls titles in four years.
No team has ever won 3 super bowls in a row.
Buffalo