Don’t know whether it’s the gas mix, the cooler temps, the leaking coolant system or what but I am on the cusp of my first ever 400 mile tank in the ’05. Currently I am on 375 miles, with 44 remaining according to the OBC, an indicated MPG of 29.7. I’ve had the OBC read as low as 15 before so I’m pretty sure that I’ll get to 400 on this tank. Good times.
[Update] Had to go to the DMV about my missing tags, stopped for gas on the way…. put in 13.8 gallons of juice to give me a calculated MPG of 28.9!! If only I could get that all the time.