Can I bring my car that now has French plates back to the UK?

I brought my UK car over to France five years ago and now want to bring it back to UK to sell as I’m moving to Australia. I can’t find accurate information online for my situation. Can you please tell...

Can I buy a car in France and drive it back to the UK?

I want to buy a 1986 Citroen in France and drive it home. What documents will I need and what are the regulations post brexit?