A single-car accident south of the Sunshine Coast has killed three people, with another two injured, one seriously.

A single-car accident in Queensland has killed three of the five people in the vehicle, police say.

Police were called to Mooloolah Connection Road at Glenview, south of the Sunshine Coast, around 9pm after the car left the road and hit a tree.

Three people were pronounced dead at the scene, while one person is in a serious condition and one reportedly suffered non-life threatening injuries.