Four people have had a lucky escape after the car they were in drove off a bluff on the Christchurch Port Hills overnight.

A police spokesman said the car went off Summit Rd nears Gebbies Pass summit and plunged down a steep bank just before 11pm.

"The vehicle was driven off the side of the road and travelled a short distance down a bluff," he said.

There were four people in the vehicle when the accident happened.


Those inside managed to scramble to safety to the road, he said.

The driver and passengers escaped with only minor injuries.