My Taurus was a bit of an anomaly. I took it on many trips and had many, many tanks of gas on the highway.
It would do 34MPG at 70MPH. 65, 60, 55 were all 29. Never understood that.
I have exact numbers, but can't remember. The Focus seems to be:
55: 48
60: 45
65: 40
70: 35
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