Overly optimistic fuel economy - 2014+ Jeep Cherokee Forums
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post #1 of 3 (permalink) Old 07-21-2015, 01:10 PM Thread Starter
orbiteleven's Avatar
Join Date: Dec 2014
Location: Albuquerque, NM
Posts: 47
Overly optimistic fuel economy

I've noticed this for a while now, but my most recent trip from NM to OR has me a bit miffed about the "fuel economy" gauges. Over about 6 tanks, tracked with Fuelly, my Jeep's "Average MPG" was anywhere from 1 to 3 mpg over reality. Additionally, the "estimated range" was junk, leading me to coast into Bend, OR on fumes because 200 miles ended up being more like 170 miles.

Annoying, but now I know.

Anyone else see this excessive optimism?

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post #2 of 3 (permalink) Old 07-21-2015, 01:46 PM
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Join Date: Jun 2015
Location: Québec, Canada
Posts: 4,133
I get a 1-3mpg difference as well, though I consider this normal. Highway tanks are much closer (as in 1mpg) to reality, which is reasonable to me.
The range : I haven't been keeping track of that one though, sorry... You'd think they would factor in some wiggle room on something like that, to prevent what happened to you.

Your 23.5 average is pretty good ! and exactly the same as mine after 2500 miles.

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2015 North (Canada) - V6 - AD1
Cold, Tow, 8.4A, 9 speakers with sub
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post #3 of 3 (permalink) Old 07-21-2015, 03:13 PM
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Join Date: May 2015
Location: Maryland
Posts: 535
Every "economy" gauge I've seen from every manufacturer has been optimistic.

2015 Trailhawk - Mango Tango, V6, Nav, Vented Seats, Big Honkin' Sunroof

Miss you too Montanan......

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