Sluggish towing with GMC Yukon
I just picked up a used 2007 Jayco Exp 17C & towed it home last night with my 2011 GMC Yukon SLT. The drive was 2 hrs & lots of hills in TN. I had the tow mode on. It seemed to struggle up the big hil...
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I tow a Visa 19 ERD weighing in right at 3500 loaded with my 2008 Trailblazer (inline 6 rated at 290hp) ... We tow in 3rd gear (that's about 2700 rpm @ 65) and average 11.5 mpg here in flat Florida. The cruise control works fine. I'd guess that the your experience with the Tahoe V8 is about right.
