10w-30 or 5w-30 oil, depending on your climate.
The 2002 Mazda MX-5-Miata runs on regular unleaded.
The 2004 Mazda MX-5-Miata runs on regular unleaded.
The 2005 Mazda MX-5-Miata runs on regular unleaded.
The 2001 Mazda MX-5-Miata runs on regular unleaded.
The 2003 Mazda MX-5-Miata runs on regular unleaded.
Miata owners typically replace the transmission fluid with 2 quarts of MTL Redline Synthetic Gear Oil.
The 2007 Mazda MX-5-Miata runs on premium unleaded (required).
The 2010 Mazda MX-5-Miata runs on premium unleaded (required).
The 2013 Mazda MX-5-Miata runs on premium unleaded (recommended).
The 2011 Mazda MX-5-Miata runs on premium unleaded (recommended).
The 2012 Mazda MX-5-Miata runs on premium unleaded (recommended).
The 2006 Mazda MX-5-Miata runs on premium unleaded (required).