FuelFacts

← all 1985 Buick Century trims

1985 Buick Century — 3.0L 6-cyl, Automatic 4-spd, FWD

This 1985 Buick Century (3.0L 6-cyl, Automatic 4-spd, FWD) takes regular (87-octane) gasoline. REGULAR

18
MPG combined (15 city / 23 hwy)
$3,450
est. fuel cost / year (EPA, 15k mi)
tailpipe CO₂

Other 1985 Buick Century trims

TrimFuelMPGFuel/yr
2.5L 4-cyl, Automatic 3-spd, FWDREGULAR24$2,600
3.0L 6-cyl, Automatic 3-spd, FWDREGULAR19$3,300
3.0L 6-cyl, Automatic 3-spd, FWDREGULAR19$3,300
3.0L 6-cyl, Automatic 4-spd, FWDREGULAR19$3,300
3.8L 6-cyl, Automatic 4-spd, FWDREGULAR19$3,300
4.3L 6-cyl, Automatic 3-spd, FWDDIESEL27$2,900
4.3L 6-cyl, Automatic 3-spd, FWDDIESEL26$3,000

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