The new tow ratings in the 2018 Trailer Life Guide to Towing shows the Chevrolet Suburban with a 5.3L V-8 engine and a tow rating of 8300 lbs. This is not enough to tow my existing (and last) TT (7500...
I have an "02 (2500 8.1 liter 3.72 rear end) with 150K. I'm holding on to mine also. Just yesterday a guy at a red light wanted to know if I'd sell it! The 150K doesn't bother me at all but some rust just started making itself known. Not wild about that.