Yes, when you’re in the Marketplace section of the site, within any of the sale tabs, you can press the three dots next to the sort dropdown menu (normally set to 'Most recently added'), to open and select the option to ‘Download vehicles for sale’.
This will download all the vehicle info from the live sale and buy it now sale, formatted as a CSV spreadsheet. Any filters you are using on Motorway to refine the vehicles list will not be applied to the export.