My first fillup, at 229 miles, was 21.3 mpg. The second, at 461, was 24.2 (cummulative 22.7).
The first fillup was driving home from the dealer, at highway speeds.
I was wondering whether it was either not filled up at the dealer, or whether the pump I filled at was off
I've since improved. Not LA stop and go, but with a majority either highway or an 8 mile drive to work, partially on the interstate up to 70mph, the overall average is 30.3 mpg over 10001 miles. So probably below EPA by a small amount.
As is normal, the on board mpg indicator generally overestimates the mileage. My last fillup indicated 30.2 mpg, the calculated was 29.0.