The driver of the car died at the scene, a police statement said.
Only the bus driver was on board the bus at the time of the crash.
A St John spokesperson said they received a call at 7.12am this morning to a motor vehicle accident.
One ambulance attended and a person was transferred to North Shore Hospital in a minor condition.
Auckland Transport is warning motorists of delays as the road is expected to remain closed for some time.
Diversions are in place on Lonely Track Rd and Awanohi Rd.
A number of school bus services have been impacted and some bus stops will be missed.
The serious crash unit in attendance.
More to come.