Kordell Stewart, 1997
Passer Rating: 75.2
Pass TDs: 21
Rush TDs: 11
INTs: 17
Fumbles: 6
Sacks: 20
Regular season record: 11-5
Playoffs: First-round bye
Beat New England in Pittsburgh, 7-6
Lost AFC Championship to Denver, in Pittsburgh, 24-21
Michael Vick, 2002
Passer Rating: 81.6
Pass TDs: 16
Rush TDs: 8
INTs: 8
Fumbles: 9
Sacks: 33
Regular season record: 9-6-1 (the tie, ironically, was against Pittsburgh)
Playoffs: beat Green Bay in Green Bay, 27-7
lost to Philly in Philly, 20-6
It's pretty close. I'd give a very slight edge to Vick, who was slightly better as a passer and also outrushed Kordell by 301 yards (777 to 476).
All facts found at www.databasefootball.com.