Two Sedans with some similarities, but otherwise different in most aspects such as the model year, powertrain, fuel economy, market segment, starting price, and horsepower. First of all, there is a $12,040 difference in the base MSRP. The 2013 Lexus LS 460, an older vehicle by three model years, has a higher starting price than the 2016 Acura RLX Hybrid. Also, a bigger engine usually means less mpg. But the 2016 RLX Hybrid has a more powerful engine and it gets 11.5 more mpg than the 2013 LS 460. Among similarities are the body structure, market segment, ground shadow size, height, and maximum occupancy.