What are the mpg's of an Acura MDX and an Acura RDX?

The fuel economy of the Acura MDX and RDX models vary by model year and type of driving. The 2015 models, which both feature a 3,471 cubic centimeter, 3.5 liter V6 engine, get 20 miles per gallon in the city and 28 miles per gallon on the highway.

The MDX model features a maximum 290 horsepower at 6,200 revolutions per minute. The RDX provides 273 horsepower at the same frequency of rotation. Additionally, the MDX is a larger vehicle with 68.4 cubic feet of storage space and the ability to seat seven people; in contrast, the RDX has approximately 61 cubic feet of cargo room and only seats five.