How much could i sell my 2008 GMC sierra ext. cab?

[SidelineKiller]

It has around 17000 miles. 20" rims and i also have the 20" stock rims. 5% TINT all windows and 40% on the windshield. In-dash screen with nav.

 

[infliktedbeagle]

I'll buy it for 5 bucks if the horn works.