Motor Trend. The 2014 Toyota RAV4 is quite fuel-efficient by most family-vehicle standards, although if you're comparing the RAV4's numbers to those of hybrid models—or even some with class-leading gas mileage, you're likely to wonder why Toyota isn't in the upper echelon, as it is with the Prius.xpert Quotes: Toyota RAV4: 24/31 mpg or 26 mpg combined (FWD); 22/29 mpg or 25 mpg combined (AWD). EPA. increases of one to three miles per gallon across the board. Autoblog. More importantly, fuel economy takes priority now.