Nope. They tried, but they were too incompetent to implement it properly (and probably still are) and removed it again. It doesn't even support triple screens. I tried it in the closed beta period and it's a very mediocre - and boring - game. There's not even an AI to race against, it's purely for online racing.
Perhaps it'll fare better on console than on PC where there are lots of much, much better alternatives, but without AI I have my doubts.
Edit: Just checked steamdb; there's currently a whopping 56 people playing Rennsport. Of course there's also a handful or two playing via Epic, so maybe around 70 people in total would be my optimistic guess. The game's already dead.
I also forgot to mention that there's crypto assets involved - you can supposedly trade your cars as if they were one of those "fancy" and "very valuable" crypto-bro Bored Ape Yacht Club NFTs (non-fungible tokens.) What's not to like?