GTA 5 Online, XP Grind, RV Nearly There Yet , Toreador Method

Before joining GTA Online, load up a single player save file and change the Aim Assist setting in the menu to Full Manual Aim, Free Aim (this grants extra XP per kill in GTA Online). Required: The Toreador Vehicle, Sticky Bombs and the RV Nearly There Yet mission available from the online mission list.