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Old 07-02-2017, 06:40 PM   #38 (permalink)
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Join Date: Feb 2011
Location: Phillips, WI
Posts: 981

Nameless - '06 GMC Canyon
90 day: 33.75 mpg (US)
Thanks: 188
Thanked 412 Times in 264 Posts
Originally Posted by Swoltacular View Post
One question though, how superior is a SG to the built in MPG tools in some of the newer cars like mine??
I was going to write a detailed reply to this question, then I checked back and realized that I already did. Page 1 of this thread, post #8.

My primary use of my SG is the short trip display as discussed above. My secondary use is the instantaneous MPG display in conjunction with the analog vacuum gauge: (post #37). I also display coolant temperature because I have a grille block, but that is not important because my truck came with a real temperature gauge.

Accuracy of MPG gauges is not important because they are only used for comparisons. Actual MPG is always calculated from fuel used and miles driven.
The vacuum gauge plus wheel covers helped increase summer 2015 mileage to 38.5 MPG, while summer 2016 mileage was 38.6 MPG without the wheel covers. Drove 33,021 miles 2016-2018 at 35.00 MPG.
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