Rear-engined German compact car designed in the 1930s by…
Rear-engined German compact car designed in the 1930s by Ferdinand Porsche's team, with an air-cooled flat-four engine and a distinctive rounded shape. Mass production began after the Second World War at Wolfsburg, and it became a symbol of the counterculture in the United States. In 1972 it overtook the Model T as the best-selling car ever built. The last original model rolled off the line in Puebla, Mexico, in 2003.
The answer in 16 letters
One definition, one title to guess: that's WordLocus. This one comes from a past challenge.