Welcome and have fun learning. So is your goal to beat your wife's mileage in the Yaris?
I kind of envy you guys who get to live where it's always warm. OTOH, it is rarely warm enough here to need A/C. My Echo is black with no A/C. My wife has complained a bit but
I haven't missed it.
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Almost all my driving is done 1-5 miles at a time.
Best short trip: 2.4 l/100 km, 3.9 km