2013 Honda Accord vs 2014 Mazda 6?

2013 Honda Accord vs 2014 Mazda 6?
Added (1). I had a Honda and loved how long it lasted me and how it was easy to fix and change the oil and everything about it. I never had a Mazda but my uncle had a 2007 one and told me to stay away. I like the design and power and interior of both cars but Im trying to decide which one is better. Mazda vs Honda in terms of easier repairs, part cost and maintenance. Please help.

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