Reaching Different Auto Communities

As a car artist I want to take it more seriously and at least do something productive.

-I draw cars from different manufacturers -goal is to get them in front of world wide audience through the internet/paid advertising/digital marketing/seo -would I need a list for whatever cars I do like getting specific keywords. (Google trends just for some reason won’t work on my phone)

Have consumed information but I need to be redirected if possible any ideas and suggestions helps

I have a car art small business and domain. I want to be able to target owners of vehicles and I’m looking for information on how to connect the dots. I want to target everywhere that the specific cars that I draw are sold and I could just use some insight on what to look into to where it will work for me. I’m trying to sell them as prints and while I can draw well I suck at Digital marketing. However I’ve learned some of the conversation about how it works and was suggested doing email marketing. I guess you could say I’m posting here because I’m trying to get more information before I spend money on ads for no reason. Anyways I’m willing to elaborate and I’m really looking for advice.