2014 Acura RLX Fuel Economy

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Fuel Economy

The Acura RLX is more powerful than the RL sedan it replaces, but it's also more fuel-efficient, Acura promises.

The 2014 RLX earns gas-mileage ratings of 20 miles per gallon city, and 31 miles per gallon highway, for a combined rating of 24 mpg. In the class of cars we think it compares with most directly, that's a hit: nothing comes close to those ratings outside of the Lexus GS and Infiniti M hybrids, and vehicles like the turbocharged Lincoln MKS are much further off the RLX's pace. It's also a strong step forward from the old RL's numbers of 17/24 mpg, and 20 mpg combined.

The RLX has the best gas mileage in the class, hybrids excepted--and it has one of those on the way.

Models with an all-new Sport Hybrid system will be the best-performing in the lineup, not only from a performance perspective but from a green one. EPA ratings for these jump to 28 mpg city, 32 highway, from the new triple-electric-motor hybrid system and lithium-ion battery pack, in addition to the 3.5-liter V-6.

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