The Mazda dealer that I bought/service the car from sells about 50-60 CX5's a month (pre-COVID while they still had cars to sell) and I am the first CX5 (first 2.5L N/A SKYACTIV G for that matter) with an oil leak at the dealership. Based on this rudimentary analysis, I would say it's not a widespread issue across the 2.5L N/A motors w/ CD.
2016 Mazda 3, i Touring, PEP, MT, 26k mi 2003 Jeep Wrangler, 4.0, AT, offroad prep'ed In family w/wrenching duty 2013 Ford Focus, 2011 Ford Focus, 2007 Ford F-150, 2006 Audi A6, 1999 Saturn SL2 No longer- personal 2007 Subaru Forester, MT; 2003 Mazda Protege5, MT; 1996 Ford Escort, AT; 1990 Mazda Miata, MT No longer- family
A whopping two miles per gallon better than a hugely spacious and cushy Honda Odyssey -- 24 mpg in mixed driving. But when equipped with the same engine and transmission as the Mazda5, the 2013 For SKYACTIV-D 1.5 and SKYACTIV-D 2.2, reset the engine oil data whenever replacing the engine oil regardless of the message/wrench indicator light display. Use of FL-22 is recommended when replacing engine coolant. Using engine coolant other than FL-22 may cause serious damage to the engine and cooling system. 6-way manual driver’s seat with manual lumbar support and height adjustment 6-way manual front passenger seat with height adjustment 60/40 split fold-down rear seatback with remote trunk operation 7.0” Full-color touch-screen display Cloth-trimmed seats AM/FM/CD/MP3-compatible audio system with 6 speakers Leather-wrapped steering wheelThen again, I've said this from Day One. Buy a Toyota if you want great long-term resale. Buy a Mazda if you want great long-term driving enjoyment. But to answer your original question, there hasn't been any major issues/malfunctions that are known with the 2.5L Turbo, neither with the CX-9 or the 6.
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