User blog comment:JustToothpick/Idea/Suggestion: R&D 2.0/@comment-27524282-20161030181513

You've got a great idea but requiring Multiplayer or TLE wins can hinder access since Gameloft could discontinue server service when A8 dies down and they've moved on to A9, A10 etc.

Another issue is pricing. Not necessarily a flaw on your end but rather Gameloft's. Since this is still an R&D event, they could very well charge a steep price to access it and they've already done it for the cars simply because they can. (Compare the performance of the 3.0 CSL to the 2016 Camaro and try to explain why is there a huge price gap between both cars).

Other than those 2 concerns, its a brilliant idea not just for A8 but for future Asphalt titles as well. You could also post this on the Google + community page  for the game and see what's the feedback.