Two Coupes with some similarities, but otherwise different in most aspects such as the starting price, horsepower, fuel economy, ground shadow size, market segment, and height. First of all, the 2016 Cadillac ELR is priced $239,350 lower compared to the base MSRP of the 2016 Rolls-Royce Wraith. Also, the 2016 Wraith has bigger and thirstier engine; the 2016 ELR gets 16 more mpg. In addition, the ELR is both significantly smaller and slightly shorter than the Wraith. Among similarities are the body structure, market segment, and maximum occupancy.