While the majority of Delta models where ordinary, compact family cars, the most famous model was the Delta HF integrale, a 4WD sport car with a very powerful engine. A tweaked version of the HF dominated for years the World Rally Championship and has won the Constructors Championship six times in a sequence (1987-1992), which is a record.
It was elected Car of the Year in 1980.
Even today, one can find around Italy old HFs rallying around, with modified versions with 300 to 500 hp.
See also: rally