I asked my grandfather and he said he does take short trips but took a trip out to west Virginia at 55 mph 75*F outside 42psi in the tires and only got 19.5mpg. And that's the best tank. Nothing is wrong with the car except it is thirsty and has strange shift points but like I said he will put it into manual mode and Upshift. I don't know what's wrong with it the dealer just tells him to drive efficient. And he does. .
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