Content Articles for Automotive site

I am looking for someone to compile/write articles related to a list of different keywords relating to my automotive site. I will provide the keyword sets. These articles are for creating content-rich pages to place in my automotive website for the purpose of improving website's search engine rankings. My website will appeal to both technical and regular public website visitors. I need 5 articles to start and please state your bid per article and the time needed to complete them which must be your original creation which can be checked for copy rights infringes. These articles will be submitted in notepad/word form comprising of 400-600 words per article, and I should have all rights to the articles when done.