Passionate automotive professional. I have spent the last 15 years of my life selling services to dealers in an effort to help them communicate the value of their inventory to consumers. From Autotrader magazine to Cars.Com to CARFAX and now Director of Customer Success at Clarivoy.
Yes, there are some great tools you can use to help you look up what the best hashtags are for your post. I like https://www.all-hashtag.com/
I didn't really believe it helped that much but watched a video by Lewis Howes on how to increase Instagram traffic. This was one of the things he talks about. I started adding hashtags after that and saw a big difference in responses to my posts.
I have a Porsche fan site txporsche on instagram and use them when ever I post and it really does help.