Two SUVs with some similarities, but otherwise different in most aspects such as the model year, starting price, horsepower, fuel economy, ground shadow size, and height. First of all, the 2014 Infiniti QX50 is priced $7,050 lower compared to the base MSRP of the 2016 Lexus RX 350, which is newer by two model years. Also, the 2014 QX50 has bigger and thirstier engine; the 2016 RX 350 gets 2.5 more mpg. And finally, not only QX50 is slightly smaller, but it's also shorter than the RX 350. Among similarities are the body structure, market segment, and maximum occupancy.