Hello members, I am in process of purcchasing a 2013 Grand Cherokee and trying to decide between V6 and V8 engine. I need ability to occasionally tow my 4500 pound boat & trailor. I know the V6 is rated at 5000 pounds but I dont want to stress the engine. However, I also don't wnat the higher fuel bill of a V8. Does anyone have any experience with V6 towing capability? Since I will only need to tow 3 or 4 times a year am I safe with a V6, at 90% tow capacity?