Humberside Police have requested that anyone that may have witnessed a road traffic collision in Bridlington to contact them.
The incident happened at 2am on the 22nd of October, on the A165 near the B1253 junction as Bessingby Hill, Bridlington.
Both driver and passenger of the Astra were both injured. A male, aged 60, suffered serious and life-threatening injuries.
He was taken to Hull Royal Infirmary and remains in a critical condition.
A lady, aged 43, who was the passenger in the Astra, suffered minor injuries.
The incident caused the Astra to leave the road and come to a stop in a field.
Witnesses to the event, and those that may have seen the car before the incident, are asked to contact 101 quoting log 72 of 22/10/17.