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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
$2,320a 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 $4.48 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 $2,320 a year. The 6, 2.5 L, 4 cyl (26 MPG) costs $2,580, so the thriftier trim saves $260 a year and $1,300 over five years.

2021 trimEngineTransmissionDriveFuelCombCost/yrvs cheapest
62.5 L, 4 cylAuto (S6)FWDRegular29$2,320cheapest
62.5 L, 4 cylAuto (S6)FWDRegular26$2,580+$270

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$2,320
202162.5 L, 4 cylAuto (S6)FWDRegular233126335$2,580
202062.5 L, 4 cylAuto (S6)FWDRegular263529302$2,320
202062.5 L, 4 cylAuto (S6)FWDRegular233126335$2,580
201962.5 L, 4 cylAuto (S6)FWDRegular263529302$2,320
201962.5 L, 4 cylManual 6-spdFWDRegular243327328$2,490
201962.5 L, 4 cylAuto (S6)FWDRegular233126335$2,580
201862.5 L, 4 cylAuto (S6)FWDRegular263529302$2,320
201862.5 L, 4 cylManual 6-spdFWDRegular243327328$2,490
201862.5 L, 4 cylAuto (S6)FWDRegular233126335$2,580
201762.5 L, 4 cylAuto (S6)FWDRegular273530299$2,240
201762.5 L, 4 cylAuto (S6)FWDRegular263529304$2,320
201762.5 L, 4 cylManual 6-spdFWDRegular243428315$2,400
201662.5 L, 4 cylAuto (S6)FWDRegular283832280$2,100
201662.5 L, 4 cylAuto (S6)FWDRegular263730295$2,240
201662.5 L, 4 cylManual 6-spdFWDRegular253629306$2,320
201562.5 L, 4 cylAuto (S6)FWDRegular283932280$2,100
201562.5 L, 4 cylAuto (S6)FWDRegular263730298$2,240
201562.5 L, 4 cylManual 6-spdFWDRegular253529308$2,320
201462.5 L, 4 cylAuto (S6)FWDRegular283932280$2,100
201462.5 L, 4 cylAuto (S6)FWDRegular263730295$2,240
201462.5 L, 4 cylManual 6-spdFWDRegular253629305$2,320
201362.5 L, 4 cylAuto (S5)FWDRegular213024363$2,800
201362.5 L, 4 cylManual 6-spdFWDRegular213024367$2,800
201363.7 L, 6 cylAuto (S6)FWDRegular182721463$3,200
201262.5 L, 4 cylAuto (S5)FWDRegular223025355$2,690
201262.5 L, 4 cylManual 6-spdFWDRegular213024370$2,800
201263.7 L, 6 cylAuto (S6)FWDRegular182721423$3,200
201162.5 L, 4 cylAuto (S5)FWDRegular223025355$2,690
201162.5 L, 4 cylManual 6-spdFWDRegular213024370$2,800
201163.7 L, 6 cylAuto (S6)FWDRegular182721423$3,200
201062.5 L, 4 cylAuto (S5)FWDRegular213024370$2,800
201062.5 L, 4 cylManual 6-spdFWDRegular202923386$2,920
201063.7 L, 6 cylAuto (S6)FWDRegular172520444$3,360
200962.5 L, 4 cylAuto (S5)FWDRegular213024370$2,800
200962.5 L, 4 cylManual 6-spdFWDRegular202923386$2,920
200963.7 L, 6 cylAuto (S6)FWDRegular172520444$3,360
200862.3 L, 4 cylManual 5-spdFWDRegular212924370$2,800
200862.3 L, 4 cylAuto (S5)FWDRegular212824370$2,800
200863.0 L, 6 cylManual 5-spdFWDRegular172520444$3,360
200863.0 L, 6 cylAuto (S6)FWDRegular182520444$3,360
200762.3 L, 4 cylManual 5-spdFWDRegular212924370$2,800
200762.3 L, 4 cylAuto (S5)FWDRegular212823386$2,920
200763.0 L, 6 cylManual 5-spdFWDRegular172520444$3,360
200763.0 L, 6 cylAuto (S6)FWDRegular172520444$3,360
20076 Sport Wagon3.0 L, 6 cylManual 5-spdFWDRegular172520444$3,360
20076 Sport Wagon3.0 L, 6 cylAuto (S6)FWDRegular172520444$3,360
200762.3 L, 4 cylManual 6-spd4WD/AWDPremium172319468$4,330
200662.3 L, 4 cylManual 5-spdFWDRegular212924370$2,800
200662.3 L, 4 cylAuto (S5)FWDRegular212823386$2,920
200663.0 L, 6 cylManual 5-spdFWDRegular172520444$3,360
200663.0 L, 6 cylAuto (S6)FWDRegular172520444$3,360
20066 Sport Wagon3.0 L, 6 cylManual 5-spdFWDRegular172520444$3,360
20066 Sport Wagon3.0 L, 6 cylAuto (S6)FWDRegular172520444$3,360
200662.3 L, 4 cylManual 6-spd4WD/AWDPremium172319468$4,330
200562.3 L, 4 cylManual 5-spdFWDRegular212823386$2,920
200562.3 L, 4 cylAuto (S4)FWDRegular202622404$3,050
200563.0 L, 6 cylManual 5-spdFWDRegular172420444$3,360
200563.0 L, 6 cylAuto (S6)FWDRegular172520444$3,360
20056 Sport Wagon3.0 L, 6 cylManual 5-spdFWDRegular172420444$3,360
20056 Sport Wagon3.0 L, 6 cylAuto (S6)FWDRegular172520444$3,360
200462.3 L, 4 cylManual 5-spdFWDRegular212924370$2,800
200462.3 L, 4 cylAuto (S4)FWDRegular202622404$3,050
200463.0 L, 6 cylManual 5-spdFWDRegular172420444$3,360
20046 Sport Wagon3.0 L, 6 cylManual 5-spdFWDRegular172420444$3,360
200463.0 L, 6 cylAuto (S5)FWDRegular172419468$3,540
20046 Sport Wagon3.0 L, 6 cylAuto (S5)FWDRegular172419468$3,540
200362.3 L, 4 cylManual 5-spdFWDRegular222924370$2,800
200362.3 L, 4 cylAuto (S4)FWDRegular202622404$3,050
200363.0 L, 6 cylManual 5-spdFWDRegular172520444$3,360
200363.0 L, 6 cylAuto (S5)FWDRegular172520444$3,360

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 $4.48 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 $2,320 a year. The 6, 2.5 L, 4 cyl (26 MPG) costs $2,580, so the thriftier trim saves $260 a year and $1,300 over five years.

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