Two SUVs with some similarities, but otherwise different in most aspects such as the model year, modifications, horsepower, fuel economy, height, and maximum occupancy. First of all, there is a difference in model years. The is 3 years newer. Also, the 2013 X6 M has a more powerful engine than the 2016 GLE-Class AMG GLE 63 4MATIC, and it gets 1 fewer mile on a gallon of fuel. In addition, the roofline of the X6 M is slightly lower than the GLE-Class AMG GLE 63 4MATIC's. And then, the Mercedes-Benz GLE-Class AMG GLE 63 4MATIC seats one more passenger than the BMW X6 M. Among similarities are the body structure, market segment, starting price, and ground shadow size.