The main differences between these two breeds are height and weight, with the Old English bulldog being taller in stature and heavier in weight. As puppies, these two breeds are difficult to distinguish, but as they grow the English bulldog remains smaller and has a pudgy, wrinkled face.
The Old English bulldog was bred to fight bulls, so it has a more athletic appearance than the English bulldog, weighing up to 100 lbs. The English bulldog usually tops out at around 60 lbs.
Unlike the English bulldog, the Old English bulldog does not have a head that appears too large for its body. The legs and body are also longer. The English bulldog is lazier than the Old English bulldog, preferring to rest inside than run or walk outdoors.