Yes, it's manufactured in San Antonio (my city) and is popular with barbacoa tacos(Mexican food)
Big red > big peach > but then it's just not big anymore because
fanta pineapple and crush orange are better.
And big manzana is shit compared to manzana sol.
Dr.pepper owns the company. So regional idk.
I’ve bought Big Red in Missouri and Cali. I think it’s pretty widespread in the US now. It’s owned by Keurig/Dr.Pepper.