Later when Vegeta and Gohan transform into their Oozaru forms, they are much bigger in comparison to regular sized humanoid characters, though this could be attributed to Goku's transformation occurring when he was a child.
Later when Vegeta and Gohan transform into their Oozaru forms, they are much bigger in comparison to regular sized humanoid characters. This could be attributed to Goku's transformation occurring when he was a child, but it does not explain Gohan being a larger Oozaru when he was also a child.