Local ranking is so much more important now that Google implemented the 3 Pack
Franchise dealers are tied to the manufacturer’s chosen website provider. Google changes algorithms so frequently that yesterdays best SEO methods now are passe. Do you have a mobile site as well as a main site? Is your site https? In all probability the inventoy is housed offsite on a third party site and they are probably not using https. Big issue when trying to iframe into Facebook. Tell me, are you spending bundles on Facebook but hardly crushing it? Do you need some help?