Zimbabwe also wants good deals. And Burkina Fasso. It does not mean they get them.
There are around 200 countries on Earth. Sorry, 200 countries and the UK, which is special, by natural right. So let's say that those 201 countries have to make an agreement to sell cars: that's something like 40200 agreements. And each country has to negotiate 200 agreements. To sell cars.
Have fun with that.
There literally hundreds of prosperous countries outside the eu, who trade with many other countries.
Nobody knows the future status of the uk.
If we get good deals expect the markets to recover in a couple of years.