Let’s start this story with a disclaimer. Everybody drives differently, so real world gas mileage or electric car range will vary greatly from one driver to another. Mileage and range are affected by wind, temperature, tire pressure and tread depth, terrain, and how aggressively you drive. Back in the 1995, I drove a Saturn SL2 sedan with a 5-speed transmission. The car never got less than 33 mpg and I often saw 38 mpg on the highway. I was selling Saturns back then and had a customer who drove the exact same year and model car as mine. He complained bitterly that he was lucky to get 22 mpg with his.
Why the difference? I have no idea. The service department gave his car a full diagnostic check and could find nothing out of spec with his car. He sold it and told plenty of people how unhappy he was with his car. Between my wife and I, we owned 7…