Mazda CX-3 Annual Fuel Cost

Running a 2021 Mazda CX-3 costs about $2,000 per year in fuel, based on 15,000 miles of driving at average U.S. fuel prices.

Latest model year (2021):

The Mazda CX-3 costs an estimated $2,000/year in fuel (289 g CO₂/mi).

Verifiedfueleconomy.gov · Verified August 9, 2026

Mazda CX-3 Fuel Cost — All Years

YearTrimEngineFuelMPG Comb.Annual CostCO₂ (g/mi)GHG Score
2021Auto (S6), 4 cyl, 2.0 L4 2.0LRegular Gasoline31$2,0002897
2021Auto (S6), 4 cyl, 2.0 L4 2.0LRegular Gasoline29$2,1003036
2020Auto (S6), 4 cyl, 2.0 L4 2.0LRegular Gasoline31$2,0002897
2020Auto (S6), 4 cyl, 2.0 L4 2.0LRegular Gasoline29$2,1003036
2019Auto (S6), 4 cyl, 2.0 L4 2.0LRegular Gasoline31$2,0002897
2019Auto (S6), 4 cyl, 2.0 L4 2.0LRegular Gasoline29$2,1003036
2018Auto (S6), 4 cyl, 2.0 L4 2.0LRegular Gasoline31$2,0002907
2018Auto (S6), 4 cyl, 2.0 L4 2.0LRegular Gasoline29$2,1003086
2017Auto (S6), 4 cyl, 2.0 L4 2.0LRegular Gasoline31$2,0002887
2017Auto (S6), 4 cyl, 2.0 L4 2.0LRegular Gasoline29$2,1003087
2016Auto (S6), 4 cyl, 2.0 L4 2.0LRegular Gasoline31$2,0002907
2016Auto (S6), 4 cyl, 2.0 L4 2.0LRegular Gasoline29$2,1003087

Data sourced from fueleconomy.gov (U.S. Department of Energy). MPG figures are EPA-tested. Fuel costs are estimates based on average fuel prices and 15,000 miles/year.

Mazda CX-3 Fuel Cost FAQ

How much does it cost to fuel the Mazda CX-3?

The estimated annual fuel cost for the Mazda CX-3 is $2,000 per year, based on 15,000 miles of driving and average fuel prices. Costs vary by trim and engine.

How much CO₂ does the Mazda CX-3 produce?

The Mazda CX-3 produces approximately 289 grams of CO₂ per mile. Lower numbers mean fewer emissions. See the table for per-trim details.

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