Certified used cars -- usually near-new models that come with long warranty periods -- are gaining in popularity.
Some 88% of used-car buyers are willing to pay more for a certified used car. Of those, about a third would pay $1,000 more than one that didn't carry the "certified" label, Edmunds.com says based on a survey of 2,017 adults. About another third says they'd be willing to pay $500 more.
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