When AC first came out, the AI on hardest level were very fast. But that didn't/doesn't make it good AI necessarily. After the update though they were fast and human like. There are some combos that the AI aren't quite as good with. The Abarth's being the biggest issue for them.
Yes this is my experience too. In special events the AI is really hard on medium on some events, whilst not so hard on medium in other events. I've had so many great battles that I've had to pause the race multiple times and watch the replay.
Last edited: May 24, 2018