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2004 Mazda RX-8
Shown: 2004 Mazda RX-8. Photo: Greg Gjerdingen, CC BY 2.0, via Wikimedia Commons
  • Newest year: 2011
  • Gas
  • Small cars

2004-2011 Mazda RX-8 MPG & Fuel Cost

8 model years · 18–19 MPG combined

19 MPG
Combined
16 MPG
City
23 MPG
Highway
Annual fuel cost · RX-8 1.3L 2-cyl RWD
$4,290

15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)

Cheaper to fuel than 1 of 10 small car configurations, MY2011. Ranked against all rated configurations, not sales-weighted.

2004-2011 Mazda RX-8 at a glance

The 2004-2011 Mazda RX-8 covers 8 model years in the EPA database (16 configurations in all), rated 18–19 MPG combined. The newest model year, 2011, costs about $4,290 a year to fuel for its most efficient version, the RX-8 1.3L 2-cyl RWD (19 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2006 and 2011; 2005, 2007, 2008, 2009 and 2010 repeat the values of the year before. The best combined rating in the generation, 19 MPG, was reached in 2006, 2007, 2008, 2009, 2010 and 2011.

EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.

2004-2011 Mazda RX-8 by model year

2004-2011 Mazda RX-8: EPA combined rating and yearly fuel cost for each model year
Model yearPowertrainsCombined$/yrEPA ratings
2011 Gas 18–19 MPG $4,290–$4,360 Ratings changed
2010 Gas 18–19 MPG $4,230–$4,460 Same EPA ratings as 2009
2009 Gas 18–19 MPG $4,230–$4,460 Same EPA ratings as 2008
2008 Gas 18–19 MPG $4,230–$4,460 Same EPA ratings as 2007
2007 Gas 18–19 MPG $4,230–$4,460 Same EPA ratings as 2006
2006 Gas 18–19 MPG $4,230–$4,460 Ratings changed
2005 Gas 18 MPG $4,460 Same EPA ratings as 2004
2004 Gas 18 MPG $4,460 First year

What the 2011 RX-8 1.3L 2-cyl RWD costs to drive

Per month

$358

$4,290 a year ÷ 12

Per 25 miles

$7.15

Per 100 miles

$28.60

Five years

$21,450

5 × the yearly cost, prices held at today's level

vs the small car median

$1,010more a year

Class median $3,280 a year, MY2011

Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).

2011 Mazda RX-8 MPG

Versus 2010: The most efficient configuration stays at 19 MPG. Its annual cost goes from $4,230 to $4,290, $60 more.

Gas · 1.3L
Combined
18–19 MPG
Per year
$4,290–$4,360

Gas configurations (2)

2011 Mazda RX-8 gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
RX-8 1.3L 2-cyl RWD Automatic (S6) (Most efficient) 1.3L 2-cyl RWD 16 23 19 $4,290
RX-8 1.3L 2-cyl RWD Manual 6-spd 1.3L 2-cyl RWD 16 22 18 $4,360

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2010 Mazda RX-8 MPG

Same EPA ratings as 2009

EPA lists the same ratings for the 2010 Mazda RX-8 as for the 2009 model, so the configurations and costs are the ones in the 2009 section above.See 2009

2009 Mazda RX-8 MPG

Same EPA ratings as 2008

EPA lists the same ratings for the 2009 Mazda RX-8 as for the 2008 model, so the configurations and costs are the ones in the 2008 section above.See 2008

2008 Mazda RX-8 MPG

Same EPA ratings as 2007

EPA lists the same ratings for the 2008 Mazda RX-8 as for the 2007 model, so the configurations and costs are the ones in the 2007 section above.See 2007

2007 Mazda RX-8 MPG

Same EPA ratings as 2006

EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.

EPA lists the same ratings for the 2007 Mazda RX-8 as for the 2006 model, so the configurations and costs are the ones in the 2006 section above.See 2006

2006 Mazda RX-8 MPG

18–19 MPG · $4,230–$4,460/yr

EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.

Versus 2005: The most efficient configuration moves from 18 to 19 MPG, up 1. Its annual cost goes from $4,460 to $4,230, $230 less.

Gas · 1.3L
Combined
18–19 MPG
Per year
$4,230–$4,460

Gas configurations (2)

2006 Mazda RX-8 gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
RX-8 1.3L 2-cyl RWD Automatic (S6) (Most efficient) 1.3L 2-cyl RWD 16 23 19 $4,230
RX-8 1.3L 2-cyl RWD Manual 6-spd 1.3L 2-cyl RWD 16 22 18 $4,460

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2005 Mazda RX-8 MPG

Same EPA ratings as 2004

EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.

EPA lists the same ratings for the 2005 Mazda RX-8 as for the 2004 model, so the configurations and costs are the ones in the 2004 section above.See 2004

2004 Mazda RX-8 MPG

18 MPG · $4,460/yr

EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.

Gas · 1.3L
Combined
18 MPG
Per year
$4,460

Gas configurations (2)

2004 Mazda RX-8 gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
RX-8 1.3L 2-cyl RWD Manual 6-spd (Most efficient) 1.3L 2-cyl RWD 16 22 18 $4,460
RX-8 1.3L 2-cyl RWD Automatic (S4) 1.3L 2-cyl RWD 16 22 18 $4,460

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

Fuel cost by state

Yearly cost of the RX-8 1.3L 2-cyl RWD: $5,120 in California and $3,720 in Texas, a $1,400 difference.

Gasoline prices: California: California state average; Washington: Washington state average; New York: New York state average; Florida: Florida state average; Texas: Texas state average (Sep 2026).
Fuel cost in every state

Similar cars

Closest combined MPG among MY2011 small car models.

EPA ratings: fueleconomy.gov file of Sep 29, 2026 · Prices: EIA regular gasoline, U.S. average, Sep 2026 ($4.36/gal) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Generations

  • 2004-2011 (2003)

Frequently asked questions

What gas mileage does the 2004-2011 Mazda RX-8 get?

EPA rates the 2004-2011 Mazda RX-8 at 18–19 MPG combined across 16 configurations and 8 model years. The most efficient version, the 2011 RX-8 1.3L 2-cyl RWD, is rated 19 MPG (16 city, 23 highway).

Which years had the best MPG in the 2004-2011 Mazda RX-8?

The RX-8 1.3L 2-cyl RWD reached the generation's best combined rating, 19 MPG, in 2006, 2007, 2008, 2009, 2010 and 2011. The lowest top rating, 18 MPG, was in 2004 and 2005.

Did EPA ratings change during the 2004-2011 Mazda RX-8?

Yes. Ratings changed in 2006 and 2011. In 2005, 2007, 2008, 2009 and 2010 the values repeat the year before.

How much does it cost to fuel a 2011 Mazda RX-8 per year?

Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the RX-8 1.3L 2-cyl RWD costs about $4,290 a year. Across all 2 configurations the cost runs $4,290–$4,360 a year. That is a $70 difference between the cheapest and the costliest configuration.

How much does it cost to drive a 2011 Mazda RX-8 100 miles?

About $28.60 per 100 miles for the RX-8 1.3L 2-cyl RWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $28.60 and $29.07 across all configurations. That is the annual cost over 15,000 miles divided by 150.

Is the 2011 Mazda RX-8 more efficient in the city or on the highway?

The RX-8 1.3L 2-cyl RWD is rated 16 city and 23 highway MPG, so it is more efficient on the highway, by 7 MPG.

How does the 2011 Mazda RX-8 compare with other small car configurations?

The RX-8 1.3L 2-cyl RWD costs about $4,290 a year to fuel, $1,010 more than the class median of $3,280, and less than 1 of 10 small car configurations. The comparison covers all 313 rated small car configurations for MY2011, not weighted by sales.

Is the 2011 Mazda RX-8 different from the 2010 model?

The most efficient configuration stays at 19 MPG. Its annual cost goes from $4,230 to $4,290, $60 more. EPA lists 2 configurations for 2011 against 2 configurations for 2010. See the 2010 Mazda RX-8 for that year.