Are grizzly bears stronger than tigers?
It depends on what you mean by stronger and what tigers you're referring to.
Siberian Tigers are the biggest cats by far.
However, the Grizzly Bear has more weight than the tiger.
Siberian Tiger - average height, 11ft average male weight about 660 lbs.
Grizzly bear - average height, 9ft average male weight about 600 lbs.
Siberian Tiger - 1472.1 newtons
Grizzly Bear - 1409.7 newtons
Bengali Tigers on the other hand are about 10ft tall, weigh an average of about 500 pounds and have around the same bite force as a Siberian Tiger a 1472.1 newtons.