There is a Pope in the Cars universe. This means that there is Catholic Christianity, which means there was a Jesus car who was crucified. Jesus Chrysler was crucified by car Romans under Pontiac Pilot who washed his wheels. A car was nailed to a cross and ascended to Heaven.
“Winning that ticket, Rose, was the best thing that ever happened to me… it brought me to you. And I’m thankful for that, Rose. I’m thankful. You must do me this honor. Promise me you’ll survive. That you won’t give up, no matter what happens, no matter how hopeless. Promise me now, Rose, and never let go of that promise.”