Hello, Right well im really into English Bull Terriers and the average weight for one is 20-38kg (44-85
lbs ). So no affence but it has been known for bigger English bull dogs to live. Also the average height is 51-61cm (20-24
in ). Mostly it depends on there height, amount of food, regular training and many other things. Also on wikipedia there is a website which tells you many facts its:
http:/en.wikipedia.org/wiki/Bull_Terrier