Imagine commissioning a car like ordering a custom suit — an automobile tailored specifically to the client. You may think of Rolls-Royce and Bentley with veneers and hides and artful stitching, but as Cadillac raises its new electric flagship, the menu from which wealthy drivers dine includes a dose of mid-century allure. Over the past five years, Rolls-Royce noted increased enthusiasm for bespoke autos among wealthy Americans, and while they’re finally embracing bespoke, it’s simply how Rolls-Royce creates automobiles. “We do some of the work in dealerships — each has colors, veneers and cus…