Another interesting part in AR12's latest video is the fact he tries to buy an FD3S RX7 and the game doesn't let him do so because he's not on a high enough car collecting tier. I feel this is both good and bad, because on one hand it's an incentive to actually make you play the game and the career mode to get more stuff, and in a way makes it feel a lot like Gran Turismos of old that made you start with the ****boxes and work your way up to the interesting cars, but I hope it doesn't mean you'll have to buy let's say, every Formula E car or every Indycar in order to get enough points to access the higher tiers...
I posted this a few pages back. It shouldn't be hard to access the higher tiers at all.
Here are the collector tier levels and the amount of points you need to achieve them
Tier 1 Common - Unlocked at the start
Tier 2 Uncommon - 400 Points
Tier 3 Rare - 1,400 Points
Tier 4 Super Rare - 4,000 Points
Tier 5 Legendary - 8,000 Points
Based on the car list video, here are some ranges of collector points each car has. Each car adds up to your total score.
Common Cars: 40-90 Points
Uncommon Cars: 95-180 Points
Rare Cars: 190-440 Points
Super Rare Cars: 495-900 Points
Legendary Cars: 1250-2700 Points
I don't think the first car they give you counts to your collector score (and Idk if this means you'll have to rebuy it to officially have it your collection) but considering the amount of crates you'll get from loyalty rewards (which will give you cars) you could potentially get Tier 2/Tier 3 before even starting the game.