
The following table compares the fuel economies of different models of Mazda RX-8 cars, across model years.
The annual fuel costs (shown in the right-hand columns) are calculated based on an estimated annual mileage of 15,000 miles,
of which 55% of the miles are city driving, and 45% of the miles are highway driving.
Annual Cost 1 assumes a fuel cost of $5.00 per gallon, while Annual Cost 2 assumes a fuel cost of $6.00 per gallon.
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 2011 RX-8 | Manual 6-speed | 2 | 18 | 16 | 22 | $4,112 | $4,934 |
| 2011 RX-8 | Automatic (S6) | 2 | 19 | 16 | 23 | $4,045 | $4,854 |
| 2010 RX-8 | Manual 6-speed | 2 | 18 | 16 | 22 | $4,112 | $4,934 |
| 2010 RX-8 | Automatic (S6) | 2 | 19 | 16 | 23 | $4,045 | $4,854 |
| 2009 RX-8 | Manual 6-speed | 2 | 18 | 16 | 22 | $4,112 | $4,934 |
| 2009 RX-8 | Automatic (S6) | 2 | 19 | 16 | 23 | $4,045 | $4,854 |
| 2008 RX-8 | Manual 6-speed | 2 | 18 | 16 | 22 | $4,112 | $4,934 |
| 2008 RX-8 | Automatic (S6) | 2 | 19 | 16 | 23 | $4,045 | $4,854 |
| 2007 RX-8 | Manual 6-speed | 2 | 18 | 16 | 22 | $4,112 | $4,934 |
| 2007 RX-8 | Automatic (S6) | 2 | 19 | 16 | 23 | $4,045 | $4,854 |
| 2006 RX-8 | Manual 6-speed | 2 | 18 | 16 | 22 | $4,112 | $4,934 |
| 2006 RX-8 | Automatic (S6) | 2 | 19 | 16 | 23 | $4,045 | $4,854 |
| 2005 RX-8 | Manual 6-speed | 2 | 18 | 16 | 22 | $4,112 | $4,934 |
| 2005 RX-8 | Automatic (S4) | 2 | 18 | 16 | 22 | $4,112 | $4,934 |
| 2004 RX-8 | Manual 6-speed | 2 | 18 | 16 | 22 | $4,112 | $4,934 |
| 2004 RX-8 | Automatic (S4) | 2 | 18 | 16 | 22 | $4,112 | $4,934 |
Data source: Fuel Economy USA, Reference.