Bikendan: Don't want to start any kind of "argument," but per my owners manual, the smallest V-8 tow rating is 4700 lbs for a 4.8L V-8, 3.23 rear end, 2WD extended cab. Most any hybrid with a slideout will be quite a a bit heavier than this, which is how I ended up with a Roo-19 (no slideout, GVWR ~4700lbs), because I was originally towing it with Traverse rated for 5200 lbs. This meant I had 10% margin, but I quickly realized it wasn't enough.
Now this is funny: The 2WD Regular Cab, standard box, with a 4.3L V-6 and 3.73 rear end is rated for 500 lbs MORE (5200 lbs) than the truck I quote above. In theory, this should pull my Roo-19 OK, but based on my Traverse experience, I would be doubtful.
I see you have an Avalanche. The 2009 (same year as my Silverado) Trailer Life Towing Guide shows that the 5.3L V-8 with 3.08 rear end is only rated for 5000 lbs, vs the best one, which is a 5.3L V-8 with a 3.42 rear end and cooling package which is rated for 8100 lbs.
So "decent" may still not be enough, depending on exactly what you mean by "decent." Since your definition of "decent" may be different than someone else's, I say, "best to check than be sorry," rather than lead someone astray.
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1988 Coleman Sequoia - popup (1987-2009) - outlasted 3 Dodge Grand Caravans!
2012 Roo19 - hybrid (2012-2015)
2016 Mini Lite 2503S - tt (2015 - ???)
2011 Traverse LT, 3.6L, FWD
2009 Silverado 1500 Ext Cab, 5.3L, 4x4, 3.73
2016 Silverado 2500HD Dbl Cab, 6.0L 4x4, 4.10
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