When comparing the Acura RL's and the Acura RLX's specifications and ratings, The Acura RLX has the advantage in the areas of fuel efficiency, interior volume and base engine power. Based on this comparison of the Acura RL's and the Acura RLX's specifications and ratings, the Acura RLX is a better car than the Acura RL.
Engine Power and Fuel Efficiency Comparison
For engine performance, the Acura RL’s base engine makes 300 horsepower, and the Acura RLX base engine makes 310 horsepower. The RL is rated to deliver an average of 20 miles per gallon, with a highway range of 463 miles. The RLX is rated to deliver an average of 23 miles per gallon, with a highway range of 537 miles. This gives the Acura RLX the fuel efficiency and maximum range advantage over the Acura RL. The RL uses gasoline, and the RLX uses premium unleaded.
Passenger Space Comparison
The Acura RLX has the advantage of offering more interior volume, reflected in more front shoulder room, rear shoulder room, rear leg room, and cargo space. The Acura RL has the advantage in the areas of front head room, front leg room and rear head room.
Safety Ratings Comparison
The Acura RLX has an average safety rating of 5 out of 5 Stars based on NHTSA's crash test ratings.