2WD or 4WD for best MPG?
I have 2010 Liberty with the Selec-Trac transfer case, thus I could use 4wd full time if I choose. Does anyone have any info on if I could expect any better MPG in 2wd than in 4wd for normal driving on developed/paved roads? Also, does any component in the drive train get more wear if 4wd is used full time?
Last edited by royhkeith; 11-11-2010 at 10:38 AM. Reason: feft out a word
Originally Posted by robd2003 View Post
2nd comment is not entirely true either to a point,in fulltime 4wd you may see .5-1 mpg loss which is nothing compared to the mpg loss you get from the colder weather which can be as much as 5mpg's or more.
'02 Liberty sitting on 35" tires,HP44,RockJock60,and AtlasII t-case
2002 KJ Liberty is right, I forgot to flip it back to 2wd after pulling the boat out. I ran 250 miles at highway speed and lost about 1.5-2 mpg. The weather will have more of an effect when it is really cold. Yeah wear but I have a lifetime power train warranty. I live in Minnesota, sometimes I will leave it in 4wd for a week or more if the roads are bad. P.S. The remote car starter really kills the mileage!
Lovin' my CARBON FOOT PRINT!
Originally Posted by royhkeith View Post
According to my trip computer, my 02 Liberty gets the same gas mileage in 2wd or 4 wd...lousy either way As far as driving in full time 4wd, I notice a huge difference in driveability. In 4wd it's much more stable and settled, it drives really nicely. In 2wd I'm not as confident in the handling, and I don't like rear wheel drive for short base suv's, not a good combination imo. I leave mine in 4wd all year long with no problems. I replace all my fluids very regularly.
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