- Gas
- Small cars
- MY2004–2011
Mazda RX-8 MPG & Fuel Cost by Year
8 model years · 2004–2011
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Mazda RX-8 fuel economy at a glance
EPA has rated the Mazda RX-8 for 8 model years, 2004 to 2011. Across those years its combined rating runs 18–19 MPG. The latest model year, 2011, has 2 configurations rated 18–19 MPG combined and costing $4,290–$4,360 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2004 is the 2011 RX-8 1.3L 2-cyl RWD, at 19 MPG.
Mazda RX-8 MPG by year
| Year | Gas (MPG) | $/yr |
|---|---|---|
| 2004-2011 (2003) Generation page | ||
| 2011 | 18–19 | $4,290–$4,360 |
| 2010 | 18–19 | $4,230–$4,460 |
| 2009 | 18–19 | $4,230–$4,460 |
| 2008 | 18–19 | $4,230–$4,460 |
| 2007 | 18–19 | $4,230–$4,460 |
| 2006 | 18–19 | $4,230–$4,460 |
| 2005 | 18 | $4,460 |
| 2004 | 18 | $4,460 |
Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.
Mazda RX-8 generations
1 generations between 2004 and 2011. Open one for the table of every model year and configuration.
2011 powertrain options
More Mazda models
Frequently asked questions
What is the Mazda RX-8's gas mileage by year?
EPA combined ratings for the Mazda RX-8 run 18–19 MPG across model years 2004 to 2011. The latest year, 2011, is rated 18–19 MPG.
Which Mazda RX-8 model year has the best gas mileage?
The 2011 Mazda RX-8 RX-8 1.3L 2-cyl RWD has the highest combined rating since 2004, at 19 MPG.
How much does a Mazda RX-8 cost to fuel per year?
For MY2011, EPA-rated configurations cost $4,290–$4,360 a year to fuel, driving 15,000 miles at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient one costs $4,290.
Has the Mazda RX-8's fuel economy improved over time?
Yes. The most efficient configuration moved from 18 MPG in 2004 to 19 MPG in 2011, 1 MPG more.
Which Mazda RX-8 model years have the same ratings?
EPA lists identical ratings as the previous year for 2005, 2007, 2008, 2009, 2010. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.