Avoiding that sort of collateral damage is why they've developed the AGM-114R9X, aka the "sword missile". It has no explosive warhead, instead it has 6 blades that unfold right before impact. It can turn anybody in one specific car into hamburger meat, while leaving bystanders on the side of the street unharmed.

These have been in use for a few years now. You can tell when they're used from pictures of the car wrecks they leave behind. A very distinct 6 pointed star shape cut through the car roof: https://www.bbc.com/news/world-middle-east-39109438