Enlarge / GM President Mark Reuss introduced the new Cadillac Escalade IQ on Wednesday morning in Manhattan. (credit: Jonathan Gitlin) Cadillac provided a train ticket from Washington, DC, to New York City and back so we could see the new Escalade IQ. Ars does not accept paid editorial content. NEW YORK—If you're not a fan of the embiggification of American cars, perhaps look away now.