early and late
ibiza's carried the 6k chassis code but 6k2 is used loosely for a mk3 to
help
VSSZZZ6KZXR400001 as example
in general terms
VSS = vehicle built in spain by Seat
ZZZ = gap filler to keep overall number the 17 digit standard
6K = model code =
ibiza
Z = another std gap letter
X = year of manufacture (early mk2's P to X / mk3's X/Y/1/2 now using year numbers in order)
R = factory of manufacture (need year/country to be exact as some codes are shared)
R = Seat/Martorell barcelona but also used in brazil for VW
400001 = chassis serial number (unique id also can be used to narrow down a close build date (month/year)
so in summary our example above is a
Seat Ibiza built in martorell in spain in march-april 99 and is in fact the very first mk3 model built
its an easy check if you have the lists to see when a car was actually built and its not usually far off the registration date (3 months behind usually) but anything goes especially on older models as bodies were made in seperate buildings in those days and were stored for a while