The man in the vehicle, Sadlier, was reported to have serious and multiple head injuries, and the young woman only moderate injuries, but she died eight days later in Waikato Hospital.
The sentencing took place on Friday after Judge Rea said in the Gisborne court last year that he was not prepared to sentence Sadlier without more information about his medical vulnerability from injuries he suffered in the accident.
The judge reiterated concerns that Sadlier might not be able to avoid conflict in the prison environment, that he could be susceptible to assault, and that he might not be able to sustain any further injury to his head.
The judge said that with Sadlier driving just five weeks after being disqualified for seven months, he would "almost certainly" have been sent to prison , but it was "one of those rare cases" where a court's responsibility to the community could be met by a sentence of home detention instead of imprisonment.
But the judge warned that it was a "benevolent sentence", and if Sadlier, who was also disqualified from driving for a further five years, was to "throw" it back in the face of the court and offend again there would be no further allowance for his situation.