To add new pages to an existing site as well as redesign some pages ..
Creating 3 or 4 new pages (HTML) .. fixing contact us page, removing silver car from Home Page and replaced with an image of car bodywork man repairing or respraying a vehicle... etc
30-40$ depending on feedbacks
39 freelancers are bidding on average $35 for this job
well i really don't know how your site looks and what pages should be created. That's why I asked for $50 and a period of 14 days. Maybe the project will be ready sooner than 14 days.