User blog comment:RomGuyony/Series and/or Cars that require more than R$ Upgrades/@comment-26338036-20150704160358/@comment-25956839-20150705160753

The help section is very good, see here: Help:Editing

One of the easiest ways, to create a table, is to create it in a spreadsheet and copy it in to the visual editor. It works from googlesheet too.