It's tough to call. It depends on whether you trust the dealership. I am sure they have a lot more experience working on Xterras than some independent shops, but that doesn't mean the independent shops would be bad. Personally I would go to a dealer that can be trusted.
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"it seems like everytime I try to learn from my mistakes, I get information overload"
2001 XE Silver Ice 4X4
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Everyday I beat my own previous record for number of consecutive
days I've stayed alive.