Quote:
Originally Posted by euromodder
The effect of shedding weight will be there, but as 100lbs is only a 3% loss, it's lost in the variations of everyday driving.
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Isn't our rule of thumb that for every percent of weight (or Cd) reduction, fuel economy goes up half a percent? One and a half percent would get you from, for example, 50 MPG to 50.75, or a 900-mile range to 913.5.
I believe that my Civic has a full-sized spare. It is still in the trunk. I also have my floor jack, jack stands, wrench and socket set, other tools, and cordless screwdriver set. I do not know how much all of that weighs, although much of it is in one heavy duffel bag, and my last tank was 47.26 mpg (US), including stop-and-go traffic.
My fuel tank is 11.9 gallons and I have barely filled up more than eleven gallons twice, I usually do ten-something.
I saw the current Jetta commercial, advertising 44 MPG and an 814-mile range. I wondered who needed an 18.5-gallon tank.