Responsive web design allows a site’s layout to change as the screen size being used to view that site changes. A wide screen display can receive a site design with multiple columns of content while a small screen can have that same content presented in a single column with text and links that are appropriately sized to be read and used on that smaller display.

78% of car shoppers used a mobile browser to compare and shop dealer inventory in 2016. And mobile was #1 source of clicks-to-contact on dealership websites.
*source: White-paper: Mobile Influence on Car Shopping - Zach Englum (Jan 2017)