A close call on a rural road in Waiuku left a car badly mangled and a tree stripped of bark - but both the driver and passenger survived.
The incident occurred just before 2pm on Friday.
Two men, both 18, were flown to hospital as a result, Auckland Rescue Helicopter Trust spokeswoman Kerrie Spicer said.
It appeared the car had been travelling at speed, lost control and spun into the tree, she said.
A broken fence and flattened greenery can be seen where the incident occurred on a rural road.