Buying 2009 Yaris from Carmax, warranty worth it?

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I'm planning on buying a 2009 Yaris from Carmax with 97k miles. They offer a "MaxCare" warranty, it's coverage is comparable to the bumper to bumper limited warranty you get from a new or CPO car. The cost is $2,070 for 150k miles/5yrs from date of purchase, whatever comes from first (mileage is total, so it's essentially a 53k mile warranty). If you were in my shoes, would you pay extra for the warranty? I can afford it, but am I better off just banking the 2k and paying for all repairs out of pocket? It seems like I should, but I imagine a blown engine or transmission would be a lot more than 2k.