FuelFacts

← all 2021 Mazda 3 4-Door 2WD trims

2021 Mazda 3 4-Door 2WD — 2.5L 4-cyl, S6 automatic, FWD

This 2021 Mazda 3 4-Door 2WD (2.5L 4-cyl, S6 automatic, FWD) takes regular (87-octane) gasoline. REGULAR

30
MPG combined (26 city / 35 hwy)
$2,100
est. fuel cost / year (EPA, 15k mi)
299 g/mi
tailpipe CO₂

Other 2021 Mazda 3 4-Door 2WD trims

TrimFuelMPGFuel/yr
2.0L 4-cyl, S6 automatic, FWDREGULAR31$2,000
2.5L 4-cyl, S6 automatic, FWDREGULAR30$2,100

EPA fuel type: Regular · class: Compact Cars · retrieved 2026-06-14.