I haven't driven a Liberty, but I couldn't get past the part of trying to fit myself in the driver's seat. I didn't care for the high seat and the narrowness in the shoulder area. I like the Xterra because the front seating is more like that of a car and much more comfortable for me, plus there is plenty of shoulder room. I wouldn't mind another inch or two of legroom, but other than that it's great.
I have driven Grand Cherokees and didn't like the way they rock side to side...I wonder if the Liberty does that too?
I guess Jeep took the easy way out on solving their rollover problem with the Liberty by lowering it instead of reworking the suspension.
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ChuckH
"Every morning when I wake up I know it's not going to get any better 'til I go back to sleep again!" Al Bundy