Today - it's debatable. Historically? The Yugo, made in the former republic of Yugoslavia. If a person riding a bicycle ran into a Yugo, the Yugo got the worst of it.
Nigeria
The United States of America
Germany
japan
Italy
The UK BY AP1
Y=The worst car in the world Y=your car :)
Porsche are made by a German Car Manufacturer.
Germany- they are owned by BMW.
Britain makes the car, and in 2001 they made more cars then they ever did!
You need to see a doctor if your inhaler makes your asthma worst.
"Worst" is a matter of opinion, but probably North Korea.