Actually, the Ford Mustang is a runaway success in Germany, being sold out and long waiting lists at dealers. It is the second best-selling sports car in Germany this year, as well as last year. For March of this year it was the #1 seller.
http://money.cnn.com/2016/04/08/autos/ford-mustang-sales-germany/index.html
The US steel companies are strong. They have enjoyed high profits for years, despite the recent downturn. They are returning to profitibility.
https://www.marketwatch.com/story/us-steel-surges-7-as-better-than-expected-earnings-offset-trump-comments-2017-07-26
Sorry to burst your America-in-perpetual-decline mythos.
The ‘base’ Mustang model, in Germany, runs at 34,000 Euro roughly (that’s $42,200 at the current rate)....which is the tax included cost. You throw in the gas consumption, and it’s special type of consumer in Germany to buy the car. It won’t be a working-class guy.
As you outlined in your comment....2nd best-selling ‘sports car’ sold. It’s a small group of German consumers who fit into the sports car enthusiasm group. As for monthly sales across all of Germany? It’s in the 750 to 800 per month.