Forensic Crash Unit officers are investigating a single vehicle traffic crash at Tugun overnight.
Preliminary inquiries indicate at about 2.10am a Holden Commodore was travelling north on the Pacific Highway at Tugun when it has left the road and rolled several times.
The passenger, a woman in her twenties, has been transported to Gold Coast University Hospital in a critical condition.
The driver was not injured.
Investigations are continuing.
If you have information for police, contact Policelink on 131 444 or provide information using the online form 24hrs per day.
You can report information about crime anonymously to Crime Stoppers, a registered charity and community volunteer organisation, by calling 1800 333 000 or via crimestoppersqld.com.au 24hrs per day.