What we have here are two SUVs from Mercedes-Benz with some differences, such as the starting price, horsepower, fuel economy, ground shadow size, and height. First of all, there is a notable difference in the starting price of the 2016 Mercedes-Benz GLA-Class, which is $6,450 less than the base MSRP of the 2016 Mercedes-Benz GLC-Class. Also, the 2016 GLC-Class has bigger and thirstier engine; the 2016 GLA-Class gets 4 more mpg. And finally, the GLA-Class is both slightly smaller and shorter than the GLC-Class. Among similarities are the body structure, market segment, and maximum occupancy.