Cadillac ELR Cadillac rolled out the ELR, basically a luxury Volt, on Tuesday, saying "the sleek luxury coupe features the first application of extended range electric vehicle technology by a full-line luxury automotive brand." "Cadillac ELR is General Motors' second vehicle using plug-in technology and its first luxury model with the powertrain," said TrueCar.com analyst Jesse Toprak, in a prepared statement. "The success of this vehicle will help GM to lower its production costs and introduce more plug-in hybrid models within its lineup of vehicles." Brandy Schaffels, a TrueCar.com. editor, added: "This elegant sister to the Volt promises all the luxury and prestige one expects from the Cadillac brand."