The new implementation of car points and car levels for upgrades is undeniably flawed, and it it’s current state it is harmful for the game’s progression. However, I believe a solution can be reached relatively easily by simply changing what is already here. Here is what I propose:
1. Make car points compatible universally.
This would decrease a large amount of the tedious grind that is necessary for a player to level up each of their potentially hundreds of individual cars. By making car points available universally, the player has much greater choice of how they want to use their car points. The progression aspect is not ditched here either; just it is smoothed out and made less tedious for the player.
2. Make all upgrades available from level 1, and rework the leveling system to give other rewards.
The restrictive and structured format of the current upgrade system takes away lots of the fun about upgrading a car, which is choosing which parts to fit based on your own judgement. To keep an element of progression here, the prices of upgrades could be scaled based on their complexity, e.g. weight reduction or tires being lower on the price spectrum vs. an engine or drivetrain swap.
That said, moving the upgrade system to such an open format could potentially be overwhelming for a player that is not familiar with upgrading their car. To make this system more accessible, the game could make upgrade part recommendations to the player to simplify this process.
These changes would not necessitate the existing car leveling system to be ditched, either. Instead, the level system could adopt a similar approach to the Horizon series, where each time a player levels up their car, they are awarded with some car points, a free upgrade, or other potential rewards. This would maintain the incentive for a player to drive and level their car up.
I believe that these changes would allow for a more accommodating yet still engaging progression in the game, and I believe these changes could be made relatively easily from a development standpoint. The core philosophy behind this progression system with car points and car level is good, just it could use some changes and ironing out. The system in the game now is a diamond in the rough, but I have confidence that the devs T10 will be able to find a solution that utilizes more of its potential.