NJ13 OSO A Subaru WRX doctor car. It is the 2.5 litre turbocharged model that provides 300 bhp, 300 lb ft of torque and a 0-62 mph time of 5.2 seconds.
Another look at the car showing the green and blue flashing lights. It is used in the NHS Grampian area.
Here is a shot of the car out and about. It is based at Aberdeen Royal Infirmary.