The Sims 3: Diesel Stuff is a Pack/Addon for The Sims 3, released in 2012, requiring the base game to function. This content focuses entirely on aesthetic customization, integrating the modern, industrial style of the Diesel brand into your game. Gameplay is enhanced by adding new, high-fashion apparel for your Sims and distinctive, urban-themed furniture and décor for their homes, enriching the existing life simulation sandbox without introducing new core mechanics or story elements.