North Shore Police arrested four people overnight after two incidents involving stolen cars.

One vehicle was stolen in Devonport at around 3am, sparking a police pursuit across Auckland's Harbour Bridge and onto the Ellerslie Panmure Highway.

A man and woman, both aged 19, were arrested and charged after driving into Police road spikes.

Meanwhile, Police found methamphetamine and drug paraphernalia in a car which was spotted acting suspiciously on the motorway at around 1am.

The vehicle had been stolen in Whangarei.

A 19-year-old woman and her 27-year-old male passenger have both been charged.