Snow White wrote:

If your only going to use the winch once a year just to get out of a hole, any of those winches will do.

To help break it down a bit, the way the winch generates that amount of pulling power to reduce the gearing.
So.....
You may see the same winch with different pulling power.
Chances are that it is the same electric motor (check the spec) but with a different gearbox (ratio) on the end.
The difference between the big winches and the medium power will be through a bigger/more powerful motor on different gear ratio's.
If your not got plans to do the Camel trophy 60% slopes, a 10,000 winch will actually do what you need it to do. Learn how to use a snach block (pulley) and it becomes a 20,000 winch.

All of the winches shown can be upgraded by fitting better/more efficient/powerful motors and solenoids which will make them more reliable.

I would definitely recommend synthetic rope which is a lot safer to use than steel rope.

Here is a link to a couple of companies that are highly rated (but I have no personal links to) that will make (hopefully) for you some interesting reading

http://www.goodwinch.com/

https://gigglepin4x4.net/

My challenge truck currently runs three winches, so I have a bit of experience

Click image to enlarge

Good stuff thank you.

Have seen the giggle pin ones