I am a DIY and work on Toyota & Honda.
Both cars use metric fasteners: 8, 10, 12, 14, 17, 19, 22, 24, 27, 30, 32 & 36mm. As a result, I have accumulated a vast array of metric sized tools.
SAE fasteners on a Toyota & Honda cars occur when other people replace a metric nut or bolt with SAE...