The Oakland Raiders have been around since about 1960
The Steelers have 529 wins since their first season in 1933. The Raiders have 410 since their first season in 1960. The Steelers have a 27 year head start. So if you go by the winning percentages the Raiders are ahead of any team by far.
It's technically impossible, since they are both in the AFC. They have met 3 times in the AFC Championship however, back in the glory days of the NFL. 1974 Pittsburgh Steelers 24, @Oakland Raiders 13 1975 @Pittsburgh Steelers 16, Oakland Raiders 10 1976 @Oakland Raiders 24, Pittsburgh Steelers 7 The winning team also went on to win the SuperBowl (IX, X, and XI)
From 2002 through 2012, the Oakland Raiders have a 4-3 record versus the Steelers.
franchise moved most times
From 1995 through the 2011 season, the Denver Broncos have a 23-11 record against the Oakland Raiders.