The girl's parents and brother were taken to hospital and their injuries were not thought to be serious.
The male driver of the Peugeot was arrested and taken into custody. A female passenger was taken to hospital suffering from minor injuries.
The incident happened just before 6.30pm and police, ambulance and fire crews attended.
The Metropolitan Police said the pursuing police car had its blue lights and sirens on when the collision happened.
More top news
Jordan Burndred's devastated mum Nicola confirmed the news on Facebook saying the 17-year-old 'didn't make it through the night.'
At least four plots attempts to smuggle highly-radioactive materials to Islamic State militants were stopped in the last five years.
Women should be warned not to drink alcohol for the whole of pregnancy to avoid harming their baby, researchers said.