And old thread, I know, found it by coincidence, but I think it's an interestting one. So will add some (slightly) related information I have.
The ad says clearly FIAT, however looking at the front I have the same impression as
@bugsymike that it's the Lada Zhyguliy (or how that should be spelled in English).
It was named Lada / WAZ 2101 (or Zhyguliy) in Russia and was exported as the Lada 1200. It was one of the licenced versions of the FIAT 124.
The back of the pickup (or at least the hatch(?) and the rear lights) looks more like the prelifting model of the FIAT 125p pickup (exported as Polski), produced in Warsaw, the modified pickup version of the licensed to Poland FIAT 125 (so, newer model but with engines from the older 124).
I can't find a photo of the back of the prelifting models, the postlifting ones looks like that (different lights; the pickup shared most of the elements with the estate version; the blue one on the right has postlifting front):
And the prelifting front / side:
The suspension and the tires were adapted to higher loads.
The prelifting estate:
The same round indicators very close to the front edge (in the facelifting model they were moved further away and became diamond shape), more chrome, thinner, longer indicator/side light on the front and at the back of the pickup/estate.
As a fun fact I can add that the Polish factory FSO wanted to export the pickup to the US at the end of the 70's, so they prepared a completely different setup with wider body (3 seater), different engine, gearbox, windshield to fullfill the US market requirements. They gave up in the beginning of the 80's with the political situation getting more difficult (which caused shortages in deliveries and problems with imports / exports). I have no idea of how many of those were produced.
EDIT:
So, I'll add a little bit, based on a short reaserch I've done later on and the general knowledge of the local situation.
The decision to export the cars from Poland to the US was taken around 1975. It was much more interesting to export to the 'dolar market', as with dolars Poland (and other countries, too) could buy goods that were not available when paid with rubels. Gierek, the 1st secretary of the Polish communist party (in fact the head of the country) at that time, made a lot of contacts with the 'Western world' and got lots of loans, which allowed Poland to make a big step into the improvement of the economics, living status, etc. Exporting goods was also a way to pay back the loans (which finally were paid until 2012...)
Following two Gierek's meetings with two US presidents (and at least one of his visits to the US) between 1970 and 75, probably also due to the world's 1973 oil crisis someone in Poland had the idea that such a relatively small pickup truck with a relatively economic engine could be a wanted product on the US market.
The pickups were available in Poland mostly for farmers, so someone at the FSO factory thought that it would be quite easy to adapt the model to the US market. But the market requirements were much more strict than in Poland or even Western Europe.
Two specimen cars were sent in 1976 or 1977 to the US. A pickup and an estate. The estate was out of the specs, because the bumpers that absorb energy from collisions up to 5 mph were already mandatory on a car at that time. But they were not on the trucks. There are different theories what was the cause of the failure of the 125p pickup in the US (one of them is bankrupcy of the US importer), but no further deliveries were made. So, there was only one US specs 125p pickup that was exported. It was reimported to Poland and restored, it is now in the same museum I took my pictures at (though it was not there when I've visited it in 2020).
The exported pickup was not the wide body one. However I am pretty sure that there were other pieces that were manufactured according to the specs. And knowing how it was managed at that time, I assume they were ment to be scrapped. Perhaps some of them were saved.
This wide body pickup was a private modification done in 1980 (!) in the south of Poland. It is also much longer. However everything was made in a way to look like original (for example the bonnet was made from three, the windshield has been custom made at the original factory) with some improvements (like the rear wall of the cab and the FIAT 1.8 l DOHC engine).
Definitely the quality of the products was inferior from the Italian originals, as the East European countries had to deal with the shortages of most every product. Both raw materials and semi-finished products. It was a hard time and the first served industry was military production.
Coming back to the Korean pickup:
Google lens is great:
I love how they advertised how many of TVs / refrigerators it can transport
One of the parts lists the name of the dealer:
Asia Automobile Co. Busan branch.
Pity the name is that generic, can't find anything on the internet.
