How to get WAY BETTER MPGs
07-13-2008 | 12:00 PM
#1
Thread Starter
JK Enthusiast
Joined: Jul 2008
Posts: 218
Likes: 0
From: Nikiski, Alaska
How to get WAY BETTER MPGs
On a resent road trip from Houston to Austin Texas I drove the speed limit ,70 w/cruise set and the over-drive turned off and got a disappointing 12.2 mpg from calculations not the JKs computer. On the return trip I set my cruise at 60 and increased my mileage to a much more comfortable 17.1. With gas being almost $4 a gallon that's an ass-load of savings. Try it, You'll like it !
' Oh ' By the way, I have a 4 door w/ a 4'' lift, 35s and a winch w/ steel bumpers weighing me down.
' Oh ' By the way, I have a 4 door w/ a 4'' lift, 35s and a winch w/ steel bumpers weighing me down.
Last edited by camden19; 07-13-2008 at 12:32 PM.
07-13-2008 | 01:03 PM
#4
JK Newbie
Joined: Apr 2008
Posts: 53
Likes: 0
From: Anniston AL
I recently drove from Little Rock to Birmingham and got 17.6 at the end of the trip.
I reset the MPG computer at every fill up and leave the overdrive on. My speedo is off when compared to my GPS, so I set the cruise 75 by the GPS, 77-78 on the dash.
I didn't manually calculate, since the speedo is off so is my odometer. Thought about having it recalibrated but its not showing as many miles as I have actually driven so I figure I'm extending my warranty.
I'm driving a unlimited Rubicon, with hard top on.
I reset the MPG computer at every fill up and leave the overdrive on. My speedo is off when compared to my GPS, so I set the cruise 75 by the GPS, 77-78 on the dash.
I didn't manually calculate, since the speedo is off so is my odometer. Thought about having it recalibrated but its not showing as many miles as I have actually driven so I figure I'm extending my warranty.
I'm driving a unlimited Rubicon, with hard top on.
07-13-2008 | 01:23 PM
#5
JK Super Freak
Joined: Feb 2008
Posts: 1,027
Likes: 3
From: Winnipeg
On a resent road trip from Houston to Austin Texas I drove the speed limit ,70 w/cruise set and the over-drive turned off and got a disappointing 12.2 mpg from calculations not the JKs computer. On the return trip I set my cruise at 60 and increased my mileage to a much more comfortable 17.1. With gas being almost $4 a gallon that's an ass-load of savings. Try it, You'll like it !
' Oh ' By the way, I have a 4 door w/ a 4'' lift, 35s and a winch w/ steel bumpers weighing me down.
' Oh ' By the way, I have a 4 door w/ a 4'' lift, 35s and a winch w/ steel bumpers weighing me down.
07-13-2008 | 02:02 PM
#6
JK Freak
Joined: Sep 2006
Posts: 959
Likes: 1
From: Los Angeles (SFV), CA
Yep..I drive on the freeway at 70mph by the speedo and gps calculations.
I keep te cruise control one. After I broke in the engine, added the Cold Air intake and the exhaust, i can get about 22 mpg on flat terrain.
overall I on the highway I get about 20-24 mpg depending on the terrain.
really good to drive like this if going on a long trip.
I keep te cruise control one. After I broke in the engine, added the Cold Air intake and the exhaust, i can get about 22 mpg on flat terrain.
overall I on the highway I get about 20-24 mpg depending on the terrain.
really good to drive like this if going on a long trip.
07-13-2008 | 04:18 PM
#7
JK Freak
Joined: May 2008
Posts: 744
Likes: 1
From: Escondido, CA
This morning I had to drive to LA from San Diego. All freeway driving. Going 65mph with the cruise on and the A/C off, I got 22.2 mpg. On the return trip I had the A/C on and got 21.1 mpg. Details: 2008 "X" 4 door hard top. Auto tranny and 3.73 gear ratio. 
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07-13-2008 | 08:37 PM
#9
JK Freak
Joined: Dec 2006
Posts: 569
Likes: 0
From: Westfield, MA
I should consider myself lucky..., On a daily commute backroads to and from work the computer reads 18.9 on a bad day but normally I'm about 20 mpg...wow 12.2 mpg ..did you leave the gas cap off??....
, On a daily commute backroads to and from work the computer reads 18.9 on a bad day but normally I'm about 20 mpg...wow 12.2 mpg ..did you leave the gas cap off??....
