IMO the AI is pretty darn good but only if you set them to have proper speed and if you not race more than 6-8 of them otherwise they slow down too much. If you set them up to match your speed and only about 6 of them around you, you'll have awesome racing. Of course MP is the way to go if you like competition and racing folks. League preferred!
AI only. When set up correctly it provides me with a decent challenge and clean racing. Plus, I have limited time to spend with rF2 (which is pretty much zero right now) so I prefer to race the content I enjoy at times that suit me. In an ideal world I prefer MP racing but I dislike the way it's done on rF2 (vmods and what not). Racing in a league would be great but my work and home life means I cannot commit to anything organised.
AI or MP for me, they are both great. Great racing with human opponents or the easy convenience of the AI. Besides...
That's so true. I once raced an entire MP race mainly fighting with one car. At the end of the race I congratulated the driver and mentioned what a fun and clean race we had. Someone wrote, "that was an AI car". So yeah, AI is quite good and very fun to race with, even in a MP race.
To me, overtaking AIs is a much more simple task than overtaking someone online. Not only because online has fewer opponents on time i use to run rf2 and usually they are good players. Also, i take much more risk racing against Ai than with real people.