Two SUVs with some similarities, but otherwise different in most aspects such as the model year, fuel economy, ground shadow size, height, maximum occupancy, starting price, and horsepower. First of all, there is a $6,390 difference in the base MSRP. The 2013 GMC Yukon, an older vehicle by three model years, has a higher starting price than the 2016 Acura RDX. Also, the 2013 Yukon has a more powerful engine and gets 6.5 mpg less than the 2016 RDX. In addition, the RDX is both significantly smaller and shorter than the Yukon. And finally, there is a difference in the number of passengers; the GMC Yukon seats three more the Acura RDX. Among similarities are the body structure and market segment.