my cage (82 BMW 320i) gets 32±mpg, my SV gets 38±mpg
my cage gets 50,000±miles per set of tires $250/4 mounted & balanced
my SV gets 10,000±miles per set of tires $300/2 mounted & balanced
with the price of gas, it's just getting more economical to ride than drive.... It won't change my habits, most of my milage is reimbursed anyway