I prefer a revolver as a car/truck gun; because when fired from inside the vehicle you don't have to contend with hot expended shell casings ricocheting around inside the vehicle.
If you are firing your weapon inside your vehicle. hot shell casings ricocheting around inside are the least of your concerns.
Besides incoming rounds the noise factor inside a car is enough to make you permanently deaf. Ear protection? Get a silencer? It's only a truck gun.
You're both right the way I see it!
It's true if inside a car shooting I would rather have my revolver like
And
So a suppressed revolver should work fine!

