Game Questions & Answers (Q&A) service lets you ask questions about video games for game consoles or PC games. So ask your CSR Racing question for iPhone - iPod and get answers from real gamers or answer questions and share your insights and experience with the rest of the gaming community.
Question & Answers
Answer from: sudhu
Ya u can use a tier 3 car in tier 2 only for regulation races but u cannot use it for challenges, leader board, challenges n manufacturer races...
Answer from: Badnews
Can you level up a teir 2 car into a teir 3 with upgrades?
Answer from: 65-GT350
No, the cars are Tier specific.