Affordable worry free car?

Im looking for something in the 2012 range. Ive narrowed my budget to about 12,000. Honda Accord, nissan altima and chevy malibu. Something that looks decent, good gas mileage and a vehicle that wont end up in the repair shop than on the road would be ideal. Im 23 married no kids also in the military if that makes any difference
Open to all other car make & models

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