We are renting a car at the end of our trip with Blue rental, however just decided to use a car for our first two days,and my husband found a more affordable option for a Van (we have friends to tote around the first couple of days too) with Northbound. Any posters have experience with them?
No personal experience, but found this https://www.tripadvisor.com/ShowTopic-g189952-i223-k9458962-Iceland.html
It indicates Northbound is a broker, not a rental car company
Either the north bound or south bound route is fine. Most people travel clockwise, so going in the opposite direction will mean less of following the herd.