Question: Considering the Porsche 928 and Porsche Cayenne.  Which of the two vehicles was exclusively manufactured before the 21st century?
Sentence (from "Porsche Cayenne"): The Porsche Cayenne (Type 9PA [Designated 955 in online forums, not recognized by Porsche Cars AG]) is a mid-size luxury crossover sport utility vehicle produced by the German manufacturer Porsche since 2002, with North American sales beginning in 2003.
Relevant evidence: Yes