Two SUVs with some similarities, but otherwise different in most aspects such as the model year, powertrain, starting price, ground shadow size, horsepower, fuel economy, height, and maximum occupancy. First of all, there is a $23,940 difference in the base MSRP. The 2016 Mercedes-Benz GL-Class Diesel, a newer vehicle by three model years, has a higher starting price than the 2013 Lexus RX 350. Also, the 2013 RX 350 has bigger and thirstier engine; the 2016 GL-Class Diesel gets 1.5 more mpg. In addition, the RX 350 is both significantly smaller and slightly shorter than the GL-Class Diesel. And then, the Mercedes-Benz GL-Class Diesel seats two more passengers than the Lexus RX 350. Among similarities are the body structure and market segment.