Just got back from a Tennessee-Minnesota roundtrip.

2006 Honda Civic LX, MT, now with ~4500 miles on it. Almost all
driving with A/C.

Highest mpg: 42.09 -- Freeway + some town driving, avg 60mph.

Lowest: 37.37 -- Freeway, avg 70-75 mph. Ethanol "enhanced" gas. The
next tankfull was without ethanol: 39.51mpg.


I'm very happy with this. The car is still pretty new; when does the
mpg usually top out?

--Nan