Welcome to the forum
@allyp99 - car looks good.
I think you might struggle to find an alternative rear bumper for your car; in the part of the UK where I live I rarely see a
mk4 Ibiza ST (estate) on the roads; in fact I can’t remember the last time I saw one.
Looking on AutoTrader at 2008-2017 Ibizas for sale there’s currently a total of 1,004 for sale and only 15 of those are estates (2008-2017 is the production period of the mk4, although the 1,004 will include some late mk3’s in the 2008 figures and some early mk5’s in the 2017 figures). 15 estate cars out of around 1,000 total suggests the estate was a low volume seller, so IMHO the availability of aftermarket body parts that are specific to the estate is likely to be very limited or non-existent. The companies that make aftermarket parts rely on being able to sell large volumes of a each specific part they manufacture to make profit, and if the potential to sell sufficiently large enough volumes or the customer demand doesn’t exist, then they’re unlikely to make the part(s).
I personally think the rear bumper looks fine; its design fits in well with overall design of the car and IMHO anything that’s not as ‘rounded’ would look a little odd and probably wouldn’t blend into the car’s overall shape as well as the original bumper. You might also find that an aftermarket bumper - if you were actually able to find one - wouldn’t fit as well as the original, with the risk of uneven panel gaps where the bumper meets the rear quarter panels. Also bear in mind your insurance premium might increase as you’d need to inform your insurance company if you fitted a non-standard bumper - as you would if you make any other modification to your car.
Learn to love your existing bumper and save yourself some money!
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