Board Thread:Game Discussion/@comment-34243920-20181216010613/@comment-32672384-20181216041702

Most new cars follow R$, Gold, R$, Gold, R$ upgrade trees.

Older cars for the most part do not follow this at all. It's very common to see 1321222 (ect) R$ trees. Some old cars can even be mostly upgraded with just R$, with only like, 2-3 gold upgrades total.

LTS events are designed to cost gold, therefore, you get these weird trees for LTS events on existing cars, such as the MP4/4 Agera R, and MP4/X