So yesterday, I drove from Chattanooga back to Arlington, VA. 592 miles, almost entirely interstate. We did sit in some long stretches of terrible traffic on I-81 that probably hurt the mileage slightly. I averaged 24.1 over that trip. Not too shabby if you ask me!
That being said, my mileage also seems to change pretty dramatically over time due to weather and stuff. Keep an eye on it for the longer term and hopefully you'll see it level out.
Last edited by videobored; 09-06-2016 at 02:01 PM.