Pittsburgh Steelers records

Best seasons

Highest regular-season win percentage

1. 2004 15–1
2. 1978 14–2
3. 1975 12–2
4. 2001 13–3
5. 2017 13–3

Worst seasons

Lowest regular-season win percentage

1. 1969 1–13
2. 1939 1–9–1
3. 1941 1–9–1
4. 1965 2–12
5. 1934 2–10

Best starts

Wins to open a season

1. 11 to start 2020
2. 7 to start 1978
3. 4 to start 1973
4. 4 to start 1979
5. 3 to start 1936

Worst starts

Losses to open a season

1. 7 to start 1941
2. 6 to start 1939
3. 6 to start 1968
4. 5 to start 1965
5. 4 to start 1952

Undefeated seasons

Regular seasons finished undefeated

None on record.

Win streaks

Consecutive wins

1. 16 2004–2005
2. 11 1975
3. 11 2020
4. 10 1976–1977
5. 9 1978–1979

Losing streaks

Consecutive losses

1. 16 1969–1970
2. 12 1938–1939
3. 8 1940–1941
4. 7 1934
5. 7 1955

Biggest wins

Largest margins of victory

1. 63–7 New York Giants 1952
2. 45–0 Kansas City Chiefs 1976
3. 43–0 Cleveland Browns 1999
4. 45–3 Indianapolis Colts 1985
5. 42–0 Tampa Bay Buccaneers 1976

Worst losses

Largest margins of defeat

1. 0–51 Cleveland Browns 1989
2. 7–54 Green Bay Packers 1941
3. 0–47 Green Bay Packers 1933
4. 7–49 Chicago Bears 1947
5. 3–45 Philadelphia Eagles 1945

Super Bowl appearances

Seasons that reached the Super Bowl

1. 2010 lost Super Bowl
2. 2008 won Super Bowl
3. 2005 won Super Bowl
4. 1995 lost Super Bowl
5. 1979 won Super Bowl
6. 1978 won Super Bowl
7. 1975 won Super Bowl
8. 1974 won Super Bowl

Ties

Games that ended level

1. 16–16 Detroit Lions 2021
2. 21–21 Cleveland Browns 2018
3. 34–34 Atlanta Falcons 2002
4. 35–35 Denver Broncos 1974
5. 28–28 St. Louis Cardinals 1968
6. 14–14 St. Louis Cardinals 1967
7. 34–34 New York Giants 1966
8. 20–20 Philadelphia Eagles 1963