Why Germans don't drive to Italy...

Five Germans in an Audi Quattro arrive at the Italian border.
The Italian Customs Officer stops them and tells them "It'sa illegala to putta 5 people in a Quattro. "
"Vot do you mean it's illegal? " asks the German driver.
"Quattro meansa four! " replies the Italian official.
"Quattro is just ze name of ze fokken automobile " the Germans says unbelievingly. "Look at ze dam papers: ze car is designed to karry 5 persons."
"You canta pulla thata one on me-aa! " replies the Italian customsofficer. "Quattro meansa four, You have five-a people ina your car and thereforea youarra breaking da law! "
The German driver replies angrily, "You idiot! Call your supervisor over. I vant to speak to someone viz more intelligence! "
"Sorry " responds the Italian officer, "He can'ta come. He's a busy with da 2 guys in da Uno."

[Thanks Con]