Re: German car industry...
"Could someone please explain this BREXIT argument to me? German car manufacturer sell more cars in a day to India/China than they do in a year in the UK"
Ok it's not the Brexit argument, just one of the many reason people voted leave.
The German car industry makes a nice chunk of money from the UK market, it doesn't matter that it makes more elsewhere, the important bit is the UK is a profitable market. If the EU and Britain failed to come to an agreement and imports were introduced on their cars, it would mean they either have to reduce the cost, or add it on to their already premium prices. Adding the cost on would almost definitely lose significant sales, as car prices have risen rapidly due to people switching to PCP deals and not realising how expensive the car is.
Meanwhile the UK government is free to cut deals with other countries and their car manufacturing business. If we look at Korea and China, they're already in the UK market with cheap but dull cars. While the snobs of the automobile world will likely stay second hand because they love the badge and people that want an enjoyable car experience will ignore them, the rest of the purchasing population will switch their PCP deals to this new market; especially if the UK removes import duty in return for building some cars in the UK.
Over time the increase in money will allow the Asian competitors to create cheap, reliable and enjoyable cars that the British public are loving. They then move into Europe, India etc and take big holes out of the German car market. VW will not allow this.
Also, this is an article saying companies that aren't employing British workers are looking to move from the UK so they can continue not hiring British workers. I don't see much reason to be sad here.