Sorry I’m unsure, but I’ve have asked a group of very knowledgeable people for the answer, So will get back to you asap or they might reply here themselves.
There appears to be different views on this so I’ve posted some of them below. I’ve also included the Facebook group name below where people kindly responded with information. Replies. Depends if the question is about the bus in the photo (ADL Enviro400 [classic]) or the one it's being filmed on - ADL E400MMC. The viewers probably also appreciate details such as bonnet number (fleet code) and/or reg plate, so that's some details to keep an eye out when looking at buses ….. It's an Alexander Dennis Enviro400 I believe. ….. I think it's an Alexander Dennis Enviro 400 MMC, judging by the reflection in the windows as it arrives at Cowes terminus. Hope this is helpful for you. Information came from the Southern Vectis & Vectis bus enthusiasts Facebook group.