https://www.theoctanecollection.com/cars/ferrari-360-challenge-stradale-6-for-sale/ 2014-12-12T12:57:21+00:00 monthly 0.6 https://www.theoctanecollection.com/cars/porsche-911-gt3-rs-4l-for-sale/ 2014-11-18T10:53:32+00:00 monthly 0.6