Two teenagers have been arrested after a wild police chase in western Sydney, which caused chaos for peak-hour traffic on Friday evening.

Dramatic scenes unfolded about 5.30pm as police chased the allegedly stolen Tiguan through several outer suburbs, including Toongabbie, Blacktown, Kings Park and Doonside.

In footage of the chase, the Volkswagen Tiguan is seen driving along a median strip with five police cars in hot pursuit.

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A number of other police cars joined the chase.

The car was eventually dumped in Doonside Crescent.

Police later arrested a 14-year-old girl and 17-year-old boy and they were taken to Blacktown Police Station.

Charges are yet to be laid on the teens.