Two Sedans with more similarities, such as the body structure, market segment, starting price, ground shadow size, and maximum occupancy, than differences, like the market segment, horsepower, fuel economy, and height. First of all, the 2015 BMW ALPINA B6 Gran Coupe has bigger and thirstier engine; the 2016 Lexus LS 600h L gets 1 more mpg. Also, the 2015 ALPINA B6 Gran Coupe has a slightly taller body than the 2016 LS 600h L. Among similarities are the body structure, market segment, starting price, ground shadow size, and maximum occupancy.