Most definitely would be spam.
From
A Consumer Guide to Dealing with Unsolicited Direct Marketing - Data Protection Commissioner - Ireland Quote:
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Electronic mail (i.e. a text message, voice message, sound message, image message, multimedia message or email message) for the purpose of direct marketing cannot be sent to you without your prior consent unless it is from someone with whom you have a current customer relationship.
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Unless you own carzone.ie you do not have a current customer relationship with any of those email addresses