FuelFacts

← all 1984 Buick Regal trims

1984 Buick Regal — 4.1L 6-cyl, Automatic 4-spd

This 1984 Buick Regal (4.1L 6-cyl, Automatic 4-spd) takes regular (87-octane) gasoline. REGULAR

17
MPG combined (15 city / 20 hwy)
$3,650
est. fuel cost / year (EPA, 15k mi)
tailpipe CO₂

Other 1984 Buick Regal trims

TrimFuelMPGFuel/yr
3.8L 6-cyl, Automatic 3-spdREGULAR19$3,300
3.8L 6-cyl, Automatic 3-spdREGULAR18$3,450
4.1L 6-cyl, Automatic 4-spdREGULAR17$3,650
3.8L 6-cyl, Automatic 4-spdREGULAR16$3,900
3.8L 6-cyl, Automatic 4-spdREGULAR16$3,900
4.3L 6-cyl, Automatic 4-spdDIESEL23$3,400
4.3L 6-cyl, Automatic 4-spdDIESEL22$3,550
5.7L 8-cyl, Automatic 4-spdDIESEL21$3,700

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