FuelFacts

← all 2018 Mazda 3 4-Door trims

2018 Mazda 3 4-Door — 2.5L 4-cyl, S6 automatic, FWD

This 2018 Mazda 3 4-Door (2.5L 4-cyl, S6 automatic, FWD) takes regular (87-octane) gasoline. REGULAR

30
MPG combined (27 city / 36 hwy)
$2,100
est. fuel cost / year (EPA, 15k mi)
293 g/mi
tailpipe CO₂

Other 2018 Mazda 3 4-Door trims

TrimFuelMPGFuel/yr
2.0L 4-cyl, 6-spd manual, FWDREGULAR31$2,000
2.0L 4-cyl, S6 automatic, FWDREGULAR31$2,000
2.5L 4-cyl, 6-spd manual, FWDREGULAR29$2,150

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