It was learnt that the man, from Kg. Brunei Kimanis, who lost control of his vehicle sustained severe bodily injuries.
The weather was said to be rainy when the accident occurred between 9am and 9.30am.
A total of five personnel from the Papar Fire and Rescue Department went to the scene after receiving a call at about 9.33am.
The rescue team found the unconscious man inside the damaged vehicle and paramedics arrived soon after.
His body was then handed over to the police who arrived at the scene at about 10.16am.