My car lies about its gas mileage-Page 2: Grassroots Motorsports forum: Grassroots Motorsports Magazine

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Nov. 4, 2011 1:48 p.m. chuckles Reader

1988RedT2 wrote:

I'm astounded to see that the consensus appears to be that these gadgets are actually somewhat accurate!

Also astounded that there are so many privileged elitists on this forum. Aside from my wife's Audi and her 2011 Hyundai, I've never owned a car with a gas mileage doodad.

+1 on both counts. My Cobalt SS is spot on, within 2/10ths mpg every time, meaning it is almost certainly more accurate than my fill-up computation. But it's just a doodad...interesting, but something I got along without for quite a while.
Nov. 4, 2011 2:46 p.m. novaderrik Dork

i've only ever had 1 car that had a fuel economy readout in it- my 94 Chrysler LHS had it in the overhead display.. it was always dead on with my separate mpg calculations.. and the car ran right out of gas right when it said you had "0" miles left on the tank.. i found that out a couple of times.. it was a neat feature- steady state cruising down the interstate at 80mph with the cruise set would read about 30mpg, 60 mpg would read 35.. coasting down a hill at 60 in neutral would read "99".. but i would always average about 24 overall during the winter and 28 in the summer.

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