So the mid size trucks GM will have as an option the 2.8L Duramax with 200 hp/370 lb-ft.

I have been searching but have not found anything on what the hauling and towing estimates will be. Does anyone have a idea either backed by engine know how of what these trucks can haul or have seen any GM documentation that would indicate what it can haul / Tow?

I have been searching for the over seas spec and not found it yet, but then not very good doing a search for this info. Please post if you find it.

Finally Found it, so 3500KG (7716lbs) towing but bed empty and 6000KG (13227LBS) bed and trailer full with the 2.8L Duramax.

http://en.chevrolet.co.th/cars/colorado/model-overview.html