The property was well-involved in fire when crews arrived at the scene.
The 22-year-old had already been charged with Shrimpton's kidnapping.
Police said one person needed to be extracted from the vehicle.
At least one person is believed to have received serious injuries.
She has been airlifted to hospital.
The road is likely to be closed for some time.
The latest fatal crash happened on Wednesday night in Mt Maunganui's Hewletts Rd.
The fire broke out on Saturday and has burnt through more than 37 hectares of scrub and pine slash.
Several firefighters and three helicopters with monsoon buckets are working to put out the blaze.