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Little road trip to the outer banks of NC, 55.1 mpg, mostly 55 mph route 168 from the 64 loop around Hampton Roads, maybe 1/3rd Interstate at 65 mph. Included was a 20 mile crawl north to Corolla after crossing the Currituck Sound.
When we left to come home, I got her into 3dplane territory with 64 mpg until I got back on 168 headed north and west. When the speeds got to 55mph the mpg gradually fell below 60 (indicated).
My mpg matches the graph very closely, considering the factory gauge is probably 3-4% optimistic. Definitely need to keep average speeds below 45 mph to see mpg in the mid 60s, high 50s at 55, low 50s at 65, all without AC. Remarkably cool here for late May. Saturday morning it was barely 50 degrees just before we left. I've seen it break 100, 5 days out of 7, same week several years ago.
regards
mech
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