When we compare the Mazda RX-7's and the Mazda RX-8's specifications and ratings, the Mazda RX-7 has the advantage in the area of base engine power. The Mazda RX-7 and Mazda RX-8 have the same fuel efficiency. Based on this comparison of the Mazda RX-7's and the Mazda RX-8's specifications and ratings, the Mazda RX-7 is a better car than the Mazda RX-8.
Engine Power and Fuel Efficiency Comparison
For engine performance, the Mazda RX-7’s base engine makes 255 horsepower, and the Mazda RX-8 base engine makes 232 horsepower. Both the RX-7 and the RX-8 are rated to deliver an average of 18 miles per gallon, with highway ranges of 460 and 372 miles respectively. Both models use gasoline.