While the “explode on contact” car thing is well beloved in Hollywood, going to the other extreme and thinking it never happens is just a false.
A car driving into a house is going to leak gas. The house is going to have 120V AC wires all over the place that are going to be smashed into. Sparks and gas are a problem. Even if it’s not a gas power car the house itself can quickly start burning.
There’s another recent thread about a Lamborghini wreck that ends in a fire. It seems to have caught fire all on its own per the video.