The teenagers were arrested in a paddock near Gurley about 3pm after a chase which started south of Narrabri, and continued north, before it unravelled in a paddock off the highway.

Barwon Inspector Stuart Campbell said a police car sustained damage after it was allegedly rammed twice by the Nissan Pulsar which checks have revealed was reported stolen from Victoria. 

"There was a significant danger to the public by the manner of driving and the speed the vehicle was travelling," he said. 

The chase started shortly after 1.30pm after patrolling police spotted a speeding vehicle 15km out of Narrabri.

There were reports the vehicle reached speeds of up to 180km per hour, before the chase was abandoned for safety reasons.

"Police were concerned for the safety of the occupants of the vehicle and other motorists," Inspector Campbell said.

"Our officers took every effort to stop the vehicle before any injury could be occasioned."

Truck drivers reported the vehicle driving erratically and crossing to the wrong side of the road as it tried to outrun police, with road work crew stopping traffic on the highway near Gurley as police closed in on the car.

A police road block was setup near the airport to stop southbound traffic, while officers moved in to set up road spikes about 20km south of Moree near Tycannah Creek in a bid to stop the out-of-control car.

After allegedly ramming a police car, the Pulsar tried to evade officers again and turned around, travelling south towards Gurley. 

The vehicle rammed a fence on a private property and entered a paddock.

Fairfax Media understands the vehicle caught alight and two people fled, but were captured after a foot pursuit through scrubland.

The teenagers were taken to Moree Police Station where they were being questioned last night.