My inexpert opinion about tires of which I've bought many over 40
They all wear, especially if the car is not aligned.
I am not sure that Michelin and other top brands are all that much
better than Douglas /Cornell (Walmart /Pep Boys).
Walmart doesn't do alignments, but they are usually convenient to
wherever you need tire service.
So, I buy their nine dollar extra thing per tire.
Tire places sometimes do second rate work, and I'm not sure Walmart is
any worse than the rest of 'em.
I bet your seemingly over-tire-consuming Elantra is not aligned or
perhaps the tires are over/under inflated, or perhaps unbalanced.