Lions are lazy - when it comes to hunting. But they’ve naturally been built to fight other male lions in competition, and therefore tend to be better suited for purely fighting with other predators, although whether one would take initiative against a tiger is doubtful in my mind.
Here is another interesting site: http://www.lairweb.org.nz/tiger/conflict.html
I think this one gives pretty good analysis, as do others. But they’ve often conflicted in comparing the sizes of the two cats. Some say lions stand taller and are more muscular, but less lengthy, while others say tigers are bigger in every way. This confuses me so I don’t know what to think. I do know grizzlies are bigger than both and not as fierce as either.
