I bought my CX-7 new.
Only issues have been the check engine light (faulty gas cap from Mazda.
The cap wasn't creating a proper seal), and now at 74,563 miles later the turbo is leaking oil (reported issue with the CX-7).
Lucky for me I bought the extended warranty for up to 75,000.
It's in the shop right now and feel lucky!
But other than those two problems, I really like the car.
Nice design and value for the price.
I have the CX-7 Touring fully loaded.
Back up camera, built in GPS, no ashtray or cigarette lighter, and comfortable ride.
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