Talk:RACING SPIRIT/@comment-79.47.148.64-20171222095001/@comment-32985412-20180105155114

This is a great resource:

http://rr3.wikia.com/wiki/RR3_Wiki:Upgrades_Strategy_For_100%25_Completion#Limited_Time_Series

No only can you unlock the next series, but you can complete this series to 100% with the Renault, but it's more expensive. Porsche 911 RSR (2015) is the smarter option to start with.