The normal ipads in cars just look absolutely retarded and I don't know why anyone would do that. The ipad mini on the other hand is small enough it should look nice and flow well. I believe (someone should confirm this) the standard size for a double din opening is 4x7in. So minor cutting would be needed to make it fit. Its so close you may even be able to get away with doing something like cutting an 8x5.75 hole and then using ABS plastic to make a face that the ipad mini would sit flush in.