Look's like it is in good shape. No signs of abuse. I have an '87 that is very similar. I paid $4,700 for mine with a Johnson 225 that needed work, and with a crappy trailer, and that was a good deal.

Some stuff to check for:
- soft spots on the transom, or floor, fact that it had anti fouling paint implies it sat in the water at one point.
- I had to replace my gas and vent hose because of dry rot. Tough to check without pulling up the deck on the gas tank. At a minimum, smell for gas in the bilge.
- what electronics come with it?
- what canvas comes with it? I bought a full canvas cover ($600 well spent) and also a bimini ($250 also well spent)
- look in the anchor rope area up front to see if there is a ton of rust on the backing plat of the winch eye.

Check on Ebay and also Boattrader.com for similar models. It's the best hull under 25ft. They last forever.
$5k is a good number.