Pure Stock Challenge is a career series that can be found under the Amateur category and is the first series that the player will unlock after finishing Racing School Basics. Players will be able to participate in 20 different events separated into 13 tiers. This series can be completed without File:Icon Gold.png upgrades. Notice that in the Lions of Leipzig Update (v3.5), this series was shortened to 13 tiers, along with Street-Spec Skirmish. There is also a bonus series for this series named Road Car International.