5w20 any premium brand.
The 2005 Mazda MAZDA6 runs on regular unleaded.
The 2005 Mazda MAZDA3 runs on regular unleaded.
The 2005 Mazda MX-5-Miata runs on regular unleaded.
SAE 10w30 hope this helps
It takes 5W-30
10w-30 or 5w-30 oil, depending on your climate.
Use 5W30
5w30
Use any major brand 5W20 oil.
A/C oil filter and 5W30 Oil.
You use 10W-30 from any good oil brand.
5w 30