Swisstype, do you have a 4.8 or a 3.0? I am jealous. I may give this a try. As my daily driver (4.8), I am getting 14.7 miles to the gallon..
I do have the third row seat, is that really that heavy?
rh71, if the 3.0 gets only 15.7 miles to the gallon, may be I don't feel so bad...

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4.8|Sport Pkg|Prem Pkg|Cold Weather|Nav|PDC|Comfort Seats|Nappa Leather|Convenience Pkg|Rear Climate|3rd Row|HUD|SAT Radio|HD Radio|Dual-Monitor Rear DVD Player.