A truck that heavy at 147k miles is where abouts youd start to get into possibly having to fix major things.
if its absolutely clean, 4k seems fair.
http://i.imgur.com/Rqk1DYV.gif - Super Bowl XXI/XXV/XLII/XLVI Champions - NY Giants
Eli Manning SB tracker: 2/2 Superbowls 2/2 SBMVP's