Biggest Margin Of Victory, Super Bowl (I-XLVIII)

Game Result Diff.
XXIV San Francisco 55, Denver 10 45
XX Chicago 46, New England 10 36
XLVIII Seattle 43, Denver 8 35
XXVII Dallas 52, Buffalo 17 35
XXII Washington 42, Denver 10 32
XVIII L.A. Raiders 38, Washington 9 29
XXXV Baltimore Ravens 34, N.Y. Giants 7 27
XXXVII Tampa Bay 48, Oakland 21 27
I Green Bay 35, Kansas City 10 25
XXIX San Francisco 49, San Diego 26 23
XIX San Francisco 38, Miami 16 22
VI Dallas 24, Miami 3 21

Smallest Margin of Victory, Super Bowl (I-XLVIII)

Game Result Diff.
XXV N.Y. Giants 20, Buffalo 19 1
V Baltimore Colts 16, Dallas 13 3
XXXVI New England 20, St. Louis 17 3
XXXVIII New England 32, Carolina 29 3
XXXIX New England 24, Philadelphia 21 3
XLII N.Y. Giants 17, New England 14 3
XLVII Baltimore Ravens 34, San Francisco 31 3
X Pittsburgh 21, Dallas 17 4
XIII Pittsburgh 35, Dallas 31 4
XXIII San Francisco 20, Cincinnati 16 4
XLIII Pittsburgh 27, Arizona 23 4
XLVI N.Y. Giants 21, New England 17 4
XVI San Francisco 26, Cincinnati 21 5