The Minnesota Vikings (lost Super Bowls IV, VIII, and IX).
The Broncos, the Bills, and the Vikings.
The Minnesota Vikings have appeared in four Super Bowls and lost all four: Super Bowl IV (1970): Kansas City Chiefs 23, Vikings 7 Super Bowl VIII (1974): Miami Dolphins 24, Vikings 7 Super Bowl IX (1975): Pittsburgh Steelers 16, Vikings 6 Super Bowl XI (1977): Oakland Raiders 32, Vikings 14 However, before the AFL-NFL merger in 1970, the Minnesota Vikings won the NFL Championship in 1969.
4 (Super Bowls IV, VIII, IX, and XI).
They have made 4 appearances in the Super Bowl but lost each one of them.
Bills, and Vikings
The Broncos, Vikings, and Bills have all lost four Super Bowls. The Bills and the Vikings have never won the Super Bowl.
The Minnesota Vikings and the Buffalo Bills are winless in four Super Bowl appearances. The Bills lost four Super Bowls in a row from 1991 to 1994.
None. Fran Tarkenton was the starting QB for the Minnesota Vikings in Super Bowls VIII (Miami Dolphins), IX (Pittsburgh Steelers), and XI (Oakland Raiders). The Vikings lost all three games.
The Buffalo Bills, the Denver Broncos, the Minnesota Vikings, and the New England Patriots have all lost four Super Bowls.
The Bills, The Vikings, and the Cowboys
The Vikings have yet to win a Super Bowl.