Had a new 2000 Silverado, 4X4, V6,. It was just ok for local stuff. Traded for a 05 Silverado, 4X4, 4.8 V8. This did ok for our 01 Pantera Classic, but now that I have a Cougar FTD, Im getting a Duramax. My towing is generally between 5 to 8 hrs. one way….Mike