The more I think about it, the less I get it

Is it perhaps the lack of tire marks?

I mean even that's easily explicable, it's not the highest fidelity picture ever taken and yeah it looks different when you drive over it but oh well

Could be that the car left while it was still snowing. The area Around the car already had some accumulation so the fresh snow stuck and refilled the tracks but melted on the place that was insulated by the car.