Injured Qld man missing after car explodes

A man who was injured when a car exploded south of Brisbane is the subject of a police search.

Witnesses saw the man running from the car in the Logan suburb of Boronia Heights about 7.30am on Tuesday.

He is described as being in his early 40s, Caucasian, 175cm tall, having a slim build, short dark hair and visible injuries to his face, arms and legs.