DNAinaGoodWay wrote:And you only lost 38 miles to speed, relative to your puttering average, not 66.
28 miles remaining is pretty good, not a close call.
GOM was 57% off. That's huge. But I agree that it's probably based on previous driving habits. So the lesson is, if you're going to change your driving habits, the GOM can be waaaay off.
Your range estimate was 25% off.
Initial guess was 191 miles.
Actual range was 2*62.6 + 28 remaining = 153.2 miles.
The initial guess was off by 37.8 miles, not 66 miles.
37.8 miles (error) / 153.2 miles (truth) = 25%.
But yes, bottom line is the estimate will be off when you suddenly change your driving habits.