User blog comment:ShadowDragon135/Nice To Meet You... Again!/@comment-1986314-20120815010723/@comment-477304-20120815150853

Makes sense, Saiyans seem to have odd growth patterns; Goku looks about 5 at the start of Dragon Ball, when he is actually around 12. However, I'd say that Vegeta looks older than Goku, despite the height difference. The last point does sound very unlikely.