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-   -   0W-20 or 5W-30 for CX-3 in Florida (https://www.mazdaforum.com/forum/mazda-cx-3-56/0w-20-5w-30-cx-3-florida-56354/)

john@dqb.com Dec 19, 2025 10:54 AM

0W-20 or 5W-30 for CX-3 in Florida
 
Hey everyone!

Just wanted to pick everyone's brain on what type of oil weight they are using. I live in Clearwater FL, and just bought a 2019 CX-3 with 48K miles, changed the oil with 0W-20 per the manufacturer's spec but someone told me to switch to 5-W 30 in this climate for better wear protection. Has anyone done this? I understand the spec in Europe is 5-W30 for this exact engine and that the zero weight oils are for EPA compliance here.

Callisto Dec 19, 2025 11:39 AM

Welcome to the forum

grim_reaper Dec 20, 2025 05:10 AM


Originally Posted by john@dqb.com (Post 240594)
Hey everyone!

I live in Clearwater FL, .

Why does your IP address come from Livonia Michigan?

john@dqb.com Dec 20, 2025 06:36 AM


Originally Posted by grim_reaper (Post 240610)
Why does your IP address come from Livonia Michigan?


I'm from Livonia, MI, the car however is in Clearwater where it's driven.

73MiamiBeach$ Jan 31, 2026 09:19 AM

Hi John, I live in Miami, Florida and have been using 5W-30 Supertech Syntethic for 4 years now, I bought the car used with 11K miles it now has 58K, before that I also used the same oil on my previous car. In my opinion 0W-20 is too thin for Florida.

Callisto Jan 31, 2026 09:45 AM


Originally Posted by 73MiamiBeach$ (Post 241613)
Hi John, I live in Miami, Florida and have been using 5W-30 Supertech Syntethic for 4 years now, I bought the car used with 11K miles it now has 58K, before that I also used the same oil on my previous car. In my opinion 0W-20 is too thin for Florida.

Welcome to the forum

For where you live not an opinion on my part but FACT your choice of viscosity is better suited for your operating environment!


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