My original point was that I used to ride my bike and could favor it based on better fuel economy (and lower insurance costs, but not lower tire costs) but now I choose the bike based on the fun factor, including moto-camping at big bike rallies. I also mentioned this for the irony of a 4-seater car getting better fuel economy compared to a motorcycle which itself gets excellent fuel economy.
Harry
Pretty much the only reason to ride, at least IMO. If you need to justify it, then maybe you need to take the car!