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Mazda 6 MPG

EPA fuel economy for 71 Mazda 6 trims sold from 2003 to 2021. Best ever: 32 MPG (2016 6). Latest model year 2021: 26 to 29 MPG combined across 2 trims.

32best combined MPG (2016)
28 / 38city / highway of the best trim
19lowest combined MPG (2007)
19model years rated
$2,150a year to fuel, cheapest 2021 trim at EPA prices

Mazda 6 fuel cost calculator

Enter what you pay for fuel and how far you drive in a year. The starting prices are the ones the EPA uses for its own yearly fuel-cost estimates. Every cost on this page updates as you type.

At $4.16 a gallon for regular and 15,000 miles a year, the cheapest 2021 Mazda 6 to fuel is the 6, 2.5 L, 4 cyl (29 MPG) at $2,150 a year. The 6, 2.5 L, 4 cyl (26 MPG) costs $2,400, so the thriftier trim saves $250 a year and $1,250 over five years.

2021 trimEngineTransmissionDriveFuelCombCost/yrvs cheapest
62.5 L, 4 cylAuto (S6)FWDRegular29$2,150cheapest
62.5 L, 4 cylAuto (S6)FWDRegular26$2,400+$250

Cost per year is miles per year divided by the EPA combined rating, times your fuel price; electric vehicles use the EPA's kWh per 100 miles instead. Rounded to the nearest $10. Your prices are kept in this browser only.

Mazda 6 MPG by year

YearBest combinedCityHwyBest trim that yearTrims
20212926356, 2.5 L, 4 cyl, Auto (S6)2
20202926356, 2.5 L, 4 cyl, Auto (S6)2
20192926356, 2.5 L, 4 cyl, Auto (S6)3
20182926356, 2.5 L, 4 cyl, Auto (S6)3
20173027356, 2.5 L, 4 cyl, Auto (S6)3
20163228386, 2.5 L, 4 cyl, Auto (S6)3
20153228396, 2.5 L, 4 cyl, Auto (S6)3
20143228396, 2.5 L, 4 cyl, Auto (S6)3
20132421306, 2.5 L, 4 cyl, Auto (S5)3
20122522306, 2.5 L, 4 cyl, Auto (S5)3
20112522306, 2.5 L, 4 cyl, Auto (S5)3
20102421306, 2.5 L, 4 cyl, Auto (S5)3
20092421306, 2.5 L, 4 cyl, Auto (S5)3
20082421296, 2.3 L, 4 cyl, Manual 5-spd4
20072421296, 2.3 L, 4 cyl, Manual 5-spd7
20062421296, 2.3 L, 4 cyl, Manual 5-spd7
20052321286, 2.3 L, 4 cyl, Manual 5-spd6
20042421296, 2.3 L, 4 cyl, Manual 5-spd6
20032422296, 2.3 L, 4 cyl, Manual 5-spd4

Every Mazda 6 trim

YearTrimEngineTransmissionDriveFuelCityHwyCombCO2 g/miFuel cost/yr
202162.5 L, 4 cylAuto (S6)FWDRegular263529302$2,150
202162.5 L, 4 cylAuto (S6)FWDRegular233126335$2,400
202062.5 L, 4 cylAuto (S6)FWDRegular263529302$2,150
202062.5 L, 4 cylAuto (S6)FWDRegular233126335$2,400
201962.5 L, 4 cylAuto (S6)FWDRegular263529302$2,150
201962.5 L, 4 cylManual 6-spdFWDRegular243327328$2,310
201962.5 L, 4 cylAuto (S6)FWDRegular233126335$2,400
201862.5 L, 4 cylAuto (S6)FWDRegular263529302$2,150
201862.5 L, 4 cylManual 6-spdFWDRegular243327328$2,310
201862.5 L, 4 cylAuto (S6)FWDRegular233126335$2,400
201762.5 L, 4 cylAuto (S6)FWDRegular273530299$2,080
201762.5 L, 4 cylAuto (S6)FWDRegular263529304$2,150
201762.5 L, 4 cylManual 6-spdFWDRegular243428315$2,230
201662.5 L, 4 cylAuto (S6)FWDRegular283832280$1,950
201662.5 L, 4 cylAuto (S6)FWDRegular263730295$2,080
201662.5 L, 4 cylManual 6-spdFWDRegular253629306$2,150
201562.5 L, 4 cylAuto (S6)FWDRegular283932280$1,950
201562.5 L, 4 cylAuto (S6)FWDRegular263730298$2,080
201562.5 L, 4 cylManual 6-spdFWDRegular253529308$2,150
201462.5 L, 4 cylAuto (S6)FWDRegular283932280$1,950
201462.5 L, 4 cylAuto (S6)FWDRegular263730295$2,080
201462.5 L, 4 cylManual 6-spdFWDRegular253629305$2,150
201362.5 L, 4 cylAuto (S5)FWDRegular213024363$2,600
201362.5 L, 4 cylManual 6-spdFWDRegular213024367$2,600
201363.7 L, 6 cylAuto (S6)FWDRegular182721463$2,970
201262.5 L, 4 cylAuto (S5)FWDRegular223025355$2,500
201262.5 L, 4 cylManual 6-spdFWDRegular213024370$2,600
201263.7 L, 6 cylAuto (S6)FWDRegular182721423$2,970
201162.5 L, 4 cylAuto (S5)FWDRegular223025355$2,500
201162.5 L, 4 cylManual 6-spdFWDRegular213024370$2,600
201163.7 L, 6 cylAuto (S6)FWDRegular182721423$2,970
201062.5 L, 4 cylAuto (S5)FWDRegular213024370$2,600
201062.5 L, 4 cylManual 6-spdFWDRegular202923386$2,710
201063.7 L, 6 cylAuto (S6)FWDRegular172520444$3,120
200962.5 L, 4 cylAuto (S5)FWDRegular213024370$2,600
200962.5 L, 4 cylManual 6-spdFWDRegular202923386$2,710
200963.7 L, 6 cylAuto (S6)FWDRegular172520444$3,120
200862.3 L, 4 cylManual 5-spdFWDRegular212924370$2,600
200862.3 L, 4 cylAuto (S5)FWDRegular212824370$2,600
200863.0 L, 6 cylManual 5-spdFWDRegular172520444$3,120
200863.0 L, 6 cylAuto (S6)FWDRegular182520444$3,120
200762.3 L, 4 cylManual 5-spdFWDRegular212924370$2,600
200762.3 L, 4 cylAuto (S5)FWDRegular212823386$2,710
200763.0 L, 6 cylManual 5-spdFWDRegular172520444$3,120
200763.0 L, 6 cylAuto (S6)FWDRegular172520444$3,120
20076 Sport Wagon3.0 L, 6 cylManual 5-spdFWDRegular172520444$3,120
20076 Sport Wagon3.0 L, 6 cylAuto (S6)FWDRegular172520444$3,120
200762.3 L, 4 cylManual 6-spd4WD/AWDPremium172319468$4,070
200662.3 L, 4 cylManual 5-spdFWDRegular212924370$2,600
200662.3 L, 4 cylAuto (S5)FWDRegular212823386$2,710
200663.0 L, 6 cylManual 5-spdFWDRegular172520444$3,120
200663.0 L, 6 cylAuto (S6)FWDRegular172520444$3,120
20066 Sport Wagon3.0 L, 6 cylManual 5-spdFWDRegular172520444$3,120
20066 Sport Wagon3.0 L, 6 cylAuto (S6)FWDRegular172520444$3,120
200662.3 L, 4 cylManual 6-spd4WD/AWDPremium172319468$4,070
200562.3 L, 4 cylManual 5-spdFWDRegular212823386$2,710
200562.3 L, 4 cylAuto (S4)FWDRegular202622404$2,840
200563.0 L, 6 cylManual 5-spdFWDRegular172420444$3,120
200563.0 L, 6 cylAuto (S6)FWDRegular172520444$3,120
20056 Sport Wagon3.0 L, 6 cylManual 5-spdFWDRegular172420444$3,120
20056 Sport Wagon3.0 L, 6 cylAuto (S6)FWDRegular172520444$3,120
200462.3 L, 4 cylManual 5-spdFWDRegular212924370$2,600
200462.3 L, 4 cylAuto (S4)FWDRegular202622404$2,840
200463.0 L, 6 cylManual 5-spdFWDRegular172420444$3,120
20046 Sport Wagon3.0 L, 6 cylManual 5-spdFWDRegular172420444$3,120
200463.0 L, 6 cylAuto (S5)FWDRegular172419468$3,280
20046 Sport Wagon3.0 L, 6 cylAuto (S5)FWDRegular172419468$3,280
200362.3 L, 4 cylManual 5-spdFWDRegular222924370$2,600
200362.3 L, 4 cylAuto (S4)FWDRegular202622404$2,840
200363.0 L, 6 cylManual 5-spdFWDRegular172520444$3,120
200363.0 L, 6 cylAuto (S5)FWDRegular172520444$3,120

CO2 is tailpipe grams per mile from the EPA test. Fuel cost per year uses the prices and miles in the calculator above (the EPA's own prices and 15,000 miles a year until you change them); blank when the fuel has no price here (hydrogen, natural gas).

Compare with other 2021 Midsize Cars

VehicleCombinedCityHwy
2021 Tesla Model 3 Standard Range Plus RWD142150133
2021 Hyundai Ioniq Electric133145121
2021 Nissan Leaf (40 kW-hr battery pack)11112399
2021 Polestar 2929688
2021 Porsche Taycan 4 Cross Turismo767677
2021 Honda Clarity FCV686867

All Midsize Cars ranked by MPG

Questions people ask

What is the best MPG for a Mazda 6?

The most efficient Mazda 6 the EPA has rated is the 2016 6 at 32 MPG combined (28 city, 38 highway).

What MPG does the 2021 Mazda 6 get?

2021 Mazda 6 trims range from 26 to 29 MPG combined, depending on engine, transmission and drivetrain.

Which Mazda 6 has the worst fuel economy?

The 2007 6 is the lowest rated at 19 MPG combined.

How much does it cost to fuel a Mazda 6 for a year?

At $4.16 a gallon for regular and 15,000 miles a year, the cheapest 2021 Mazda 6 to fuel is the 6, 2.5 L, 4 cyl (29 MPG) at $2,150 a year. The 6, 2.5 L, 4 cyl (26 MPG) costs $2,400, so the thriftier trim saves $250 a year and $1,250 over five years.

More from Mazda: every Mazda model. Fuel types on this model: Premium, Regular. EPA classes: Midsize Cars, Midsize Station Wagons.