[SmartCrawl Pro] Smart crawl Duplicates and short meta descriptions

We have a section on the website called motorhomes this was created by a developer the page can be found https://motorhomescampervans.net/cars/

The smart crawl now finds this information because of the details and duplicates on motorhome descriptions, one motorhome will have a similar if not the same description So, if we leave the meta description empty will Google just take a sample of text from the page.? We seem to be getting messages of duplicated content and think this is part of the issues but not sure as we also have some duplicate meta tags again not sure any help here will be much appreciated