Biggest pot plant Ever !!!

This pot is in the garden where I doggy sit and I can’t even think how I could move or buy this pot and how much compost do you need for this one !!!!
Today is a momentous day. I now have a manual car and I drove it home after driving automatic cars for perhaps 10 years.
But after stalling a few times I think it will be something to engage my brain to a though work out every time I drive him he is called Ron.