12+ Cyl Slam

12+ Cylinder Slam (or 12+ Cyl Slam as abbreviated in-game) is a bonus racing series, part of  Vanguard Challenge which can be found within the Master racing career. To unlock the series, players must have collected 16 trophies in Vanguard Challenge. In 12+ Cylinder Slam, players can participate in 44 events, separated by 22 tiers.

There are five cars for the player to choose from, in which four of these can be acquired with R$. The cars selected for the series features 12 Cylinder engines (V12's) and above.

Through out the series, players can earn up to 69,000 R$ and 69 Gold in progression bonuses upon reaching 100 % completion of the series, however, as the Bugatti Veyron 16.4 Grand Sport Vitesse can only be obtained through Gold, the player must spend some in order to achieve 100 % completion.

There is a second bonus racing series to the Vanguard Challenge, namely The Legend Continues where the Shelby '66 Cobra 427 is featured. It can be unlocked after collecting 24 trophies in Vanguard Challenge.

Description
''Featuring a minimum of 12 cylinders, these four beautiful hypercars combine to form a mighty Series. Buckle up.''