When we compare the Mazda RX-8's and the Subaru BRZ's specifications and ratings, the Mazda RX-8 has the advantage in the areas of interior volume and base engine power. The Subaru BRZ has the advantage in the area of fuel efficiency. Based on this comparison of the Mazda RX-8's and the Subaru BRZ's specifications and ratings, the Mazda RX-8 is a better car than the Subaru BRZ.
Engine Power and Fuel Efficiency Comparison
For engine performance, the Mazda RX-8’s base engine makes 232 horsepower, and the Subaru BRZ base engine makes 228 horsepower. The RX-8 is rated to deliver an average of 18 miles per gallon, with a highway range of 372 miles. The BRZ is rated to deliver an average of 22 miles per gallon, with a highway range of 356 miles.This gives the Subaru BRZ the advantage in fuel efficiency and the Mazda RX-8 the advantage in maximum range. The RX-8 uses gasoline, and the BRZ uses premium unleaded.
Passenger Space Comparison
The Mazda RX-8 has the advantage of offering more interior volume, reflected in more front head room, front shoulder room, front leg room, rear head room, rear shoulder room, rear leg room, and cargo space.
Safety Ratings Comparison
When comparing IIHS evaluations, the Subaru BRZ has the advantage with a Top Safety Pick+ award.