When we compare the Mazda RX-8's and the Subaru WRX's specifications and ratings, The Subaru WRX has the advantage in the areas of fuel efficiency, interior volume and base engine power. Based on this comparison of the Mazda RX-8's and the Subaru WRX's specifications and ratings, the Subaru WRX is a better car than the Mazda RX-8.
Engine Power and Fuel Efficiency Comparison
For engine performance, the Mazda RX-8’s base engine makes 232 horsepower, and the Subaru WRX base engine makes 271 horsepower. The RX-8 is rated to deliver an average of 18 miles per gallon, with a highway range of 372 miles. The WRX is rated to deliver an average of 22 miles per gallon, with a highway range of 432 miles. This gives the Subaru WRX the fuel efficiency and maximum range advantage over the Mazda RX-8. The RX-8 uses gasoline, and the WRX uses premium unleaded.
Passenger Space Comparison
The Subaru WRX has the advantage of offering more interior volume, reflected in more front head room, front shoulder room, front leg room, rear leg room, and cargo space. The Mazda RX-8 has the advantage in the areas of rear head room and rear shoulder room.
Safety Ratings Comparison
The Subaru WRX has an average safety rating of 5 out of 5 Stars based on NHTSA's crash test ratings.