No, they have not.
As of 2011, the Buffalo Bills were tied with the Minnesota Vikings as the team with the most Super Bowl appearances without a win (4). They appeared in 4 consecutive Super Bowls (XXV to XXVIII) from 1991 to 1994.
In Super Bowl XXV on January 25, 1991, the New York Giants defeated the Buffalo Bills 20-19.
The Buffalo Bills appeared in and lost 4 consecutive Super Bowls.
The Buffalo Bills.
The Buffalo Bills
The Buffalo Bills
54 yards by Steve Christie of the Buffalo Bills in1994
Steve Christie, Buffalo Bills vs. Dallas, Super Bowl XXVIII
The Buffalo Bills
They last won the Super Bowl on January 26th, 1992 in Super Bowl XXVI. They beat the Buffalo Bills 37-24.
The Buffalo Bills played in 4 straight Super Bowl games and lost all 4. 1990 season - Super Bowl XXV - New York Giants 20, Buffalo Bills 19 (1/27/91) 1991 season - Super Bowl XXVI - Washington Redskins 37, Buffalo Bills 24 (1/26/92) 1992 season - Super Bowl XXVII - Dallas Cowboys 52, Buffalo Bills 17 (1/31/93) 1993 season - Super Bowl XXVIII - Dallas Cowboys 30, Buffalo Bills 13 (1/30/94)
Buffalo Bills
buffalo bills