Hello, i'm looking to purchase a 2008 GMC Sierra 2500 crew cab, 2wd with the Vortec 6000 V8 Engine.  
My first quesiton how reliable is the vortec 6000 engine and what kind of mileage are you getting?
Second, how is the towing capacity
Thank you.
				
			My first quesiton how reliable is the vortec 6000 engine and what kind of mileage are you getting?
Second, how is the towing capacity
Thank you.
 
	