Is it necessary for every page to have a meta description?
Google’s Matt Cutts says “Don’t Duplicate Your Meta Descriptions. It is better to let Google auto-create snippets for your pages versus having duplicate meta descriptions.”
For car dealer websites, thats a huge insight because for one, we don’t really know what Google really judges you website on, but more importantly, car dealer websites are setup with templates that create very generic meta-titles, descriptions and keywords.
So first step to setup a car dealer website properly is to remove all the wildcards from the SEO page templates.