it suffered from the usual terrible Spanish build quality
That is quite true from Spanish built Suzukis at the Santana factory. But not necessarily true about other manufacturers producing i Spain
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Maybe not but I have heard similar comments about other vehicles built there. As for Santana, well I bought my Vit new and by the time I got it home 3 bits of trim had fallen off! After about 2 months the main water pipe on the back of the water pump fell off. Luckily I was only driving around town, if it had happened on the motorway it would have seized. The metal work under the dash is bare metal and worst of all most of the bits are from a pre 1994 model including the 8V engine! There has never been an FSM or any service info published and the wiring loom appears to be made from random wire colours (could be right there is no wiring diagram either!).
On the plus side it was much much cheaper than a Jap built one, the spares cost a third of the Jap spares and apart from the aforementioned bits dropping off it has been very reliable.
I have an article somewhere about the diesel van variant, probably in the loft, it was in a couple of the offroad mags.