Pay down 401k loan or credit union loan first?

Is it smarter to pay down/off a loan I took against my 401k (I'm 42 yrs old) or my credit union loan? They're both about the same loan amount and interest. The credit union is holding my truck as collateral for the loan, so that would be freed. But if I lose my job I'm worried I would owe the 401k loan balance at once (which is what I've heard from co-workers.) Thanks for your input.



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