Just because its listed for sale at a price does not mean its necessarily worth it, or even 'for sale'. It could be an ugly divorce with a forced sale, and its intentionally listed high so noone buys it, or the seller has calculated everything spent and deems it worthy of that price - but is not in a hurry to sell.
The cheap 'value for money' items move on quickly, and you end up with expensive items sitting forever and a day on sites - and thus the next guy to sell his compares it to the one listed, and he is inclined to list it at the higher price also. Rinse, repeat. The more expensive ones sit around on the sites, the cheaper ones get sold and thus disappear from listings
If they sell it, all good, but its no good comparing prices between 40 year old trucks & 30 year old entirely different trucks which are now flooding the market - the price could be high just for a laugh, to see if anyone doesnt do research etc.