Why do so many rednecks drive trucks?

because they’re rednecks
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It helps their macho ego.

that’s what inbreeding does. that’s why they are also into nascar.

cuz they got various loads to haul.

because we have to move in the middle of the night from our mobil homes

Because so many rednecks live out in the country where there are dirt roads that flood so badly and get so muddy that a prissy little lexus would sink, never to be seen again.

Because we like them. We enjoy life and the fun things you can do with a truck.

because larry the cable guy has one?

Because they look cool and can carry heavier loads.

so what the hell is your problem I drive a truck
and I love it. that truck has been use in many emergencies

Well, stereo-typically speaking, like you seem to be doing, rednecks are Southerners who live in rural areas. Said rural areas often have dirt roads on which compact cars would prove quite useless.
Edit: A thumbs down, really? Would you have given it if I had explained I’m a Southern girl? Imbecile.