Two Sedans with more similarities, such as the body structure, market segment, ground shadow size, height, and maximum occupancy, than differences, like the starting price, horsepower, and fuel economy. First of all, the 2015 Acura TLX is priced $6,655 lower compared to the base MSRP of the 2016 Lexus ES 350. And finally, the 2016 ES 350 has bigger and thirstier engine; the 2015 TLX gets 2.5 more mpg. Among similarities are the body structure, market segment, ground shadow size, height, and maximum occupancy.