This depends on which light bulb you are replacing. Headlights, tail-lights, dashboard, roof, doors, etc. Clarify which bulb.
H11
5-30
The highest watt headlight bulb you can use in a 2000 Mazda 323 is 65 watts. Most vehicles use a 55 watt bulb.
The 2007 Mazda MAZDA5 runs on regular unleaded.
The 2007 Mazda MAZDA3 runs on regular unleaded.
The 2007 Mazda MAZDA6 runs on regular unleaded.
The 2007 Mazda CX-9 runs on regular unleaded.
The 2007 Mazda MX-5-Miata runs on premium unleaded (required).
The Aygo uses a H4 type of bulb
For my Mazda I use 10w-30
I have a 2001 celica and it uses a 10watt type E bulb.