"I've heard of several issues with the newer AR-7s not feeding properly", is that what you mean?
Ruger Mini-14 or Mini-30.
.22 LR is fun at the range and bagging squirrels; no so much for deer, wild hogs, or two legged predators.
Savage has a combo .22/410 rifle called the Model 42 which goes for $300 or less...
Savage Arms
No experience with it but it seems to fit your criteria.
>Objective: an inexpensive (<$250) rifle to keep permanently in my SUV for use in a survival/emergency/SHTF situation where I am unable to get home and access the firearms in my safe.<
I guess I'm wondering why you are stuck on "survival" rifles and rimfire? In a survival/emergency/SHTF situation you're going to want a Rifle, any rifle you have is going to become your survival rifle. Have you ever hunted with a 22? You think rabbits just sit there while you take aim and pop them?? If you can't get home because it's a SHTF situation you think an AR-7 is going to be your best bet for getting through whatever is ahead?? Do a simple search on Gun Broker, go with a bolt action rifle and pick one in any rifle caliber with a scope that falls in your price range, plenty of them under $250 after shipping, and you will have a rifle. If you are serious about having a truck gun get a serious truck gun. The AR-7 and the M-6 and the rest were designed because aircrews didn't have the space for much else, why limit yourself, you have the room? Using a 30-06 or a .270 to kill a rabbit may be a bit much, but in a SHTF situation if you need it for something besides rabbits, we can hope it would be enough, for sure more than a rimfire would be...
Well, In my experience rabbits typically DO sit there while you shoot them. They are not that elusive. There is a tone of game to be taken with a .22.
As far as bolt actions go, 270 etc, why so much gun? If you think you will be fighting you way home and AR or AK is a MUCH better option than an old hunting rifle.
.22 should be part of every survival kit and if S truly HTF it will be my main source of food.
How many rounds are you planning on storing in the vehicle? How do you plan on carrying all your supplies while on the run?
I'd recommend fixing up a nice small-medium sized survival pack (bug out bag). You will probably need more than just a gun and ammo. This bag can contain your ammo, medical kit, knives, tools, lighters, lifestraw, fishing gear, and whatever else you need. You can take this bag from the house to vehicle to work, vice versa, no need to keep in vehicle all the time.
I would imagine you can take game and survive with your carry gun if necessary, or a sling shot or BB gun for birds and stuff. Maybe try getting books on edible bugs and
Long term survival, you'll run out of ammo eventually.