Get the V8, if you haven't already. Last month, I traded in my '06 Pathfinder V6 with 70k miles. For 3 of the 4 years, I towed a 6x12 tandem-axle, enclosed trailer twice a week with min. combined weight of 2500 lbs. Also, did round trips from VA to FL & from VA to TX, both trips towing my Z32 on...