Board Thread:Game Discussion/@comment-25956839-20150603081720/@comment-25956839-20150614162706

XgX wrote: Pursuit of Victory: 360 GC

Endurance Champions: 70 GC

Total Winnings: 430 GC

Upgrade Costs - Winnings = Cost To Play

Nissan: 526 - 430 = 96 GC

Porsche: 556 - 430 = 126 GC

Audi: 490 - 430 = 60 GC

Good point, if you havn't unlocked the 10 lapper in Endurance Kings, then it is well worth upgrading one car to PR96 to do the new 10 lapper in Endurance Champions. If you have unlocked Endurance Kings then keep the 360 for buying another  car, unless you have them all ;)