Growing up in Chicago, I’ve always been super picky about what oils go into my Mazda CX-9. Friends swear by synthetic blends, especially in the cold winters. I stick with full synthetic because it’s like giving my engine a spa treatment, keeping it smooth and happy. It might cost a bit more, but I’d never skimp on something as crucial as engine oil. Keeps the car purring like a kitty, you know?
In So Cal, I’ve always run premium full synthetic on my CX-9, really keeps it purring. Battery’s like new! Friends north here swear by it too. Just settled on what works and stick. No surprise breakdowns - that’s a good feeling. Keep your ride sweet, y’all!