The vehicle hit the gates of the station in Athlon Road at around 4.30am on Saturday (March 18) morning.
Officers attended the incident and a woman has been arrested on suspicion of drink driving.
The Met say the driver was not injured and London Ambulance Service was not called.
The driver was taken into custody at a different north west London police station.
Writing on Twitter, the Roads and Transport Policing Command said: “Nobody hurt, thankfully. Easiest arrest of the week!”
Keep up to date with the latest news in west London via the free getwestlondon app.
You can even set it to receive push notifications for all the breaking news in your area.