Does the 1984 Pontiac Firebird take premium or regular gas?

The EPA lists the 1984 Pontiac Firebird 2.5L 4-cyl, 4-spd manual as taking regular. Combined MPG is 21, and the EPA estimates about $2,950 a year in fuel.

← all 1984 Pontiac Firebird trims

1984 Pontiac Firebird — 2.5L 4-cyl, 4-spd manual

This 1984 Pontiac Firebird (2.5L 4-cyl, 4-spd manual) takes regular (87-octane) gasoline. REGULAR

MPG combined (19 city / 25 hwy)

$2,950

est. fuel cost / year (EPA, 15k mi)

—

tailpipe CO₂

Other 1984 Pontiac Firebird trims

Trim	Fuel	MPG	Fuel/yr
2.5L 4-cyl, 5-spd manual	REGULAR	23	$2,700
2.5L 4-cyl, 5-spd manual	REGULAR	23	$2,700
2.5L 4-cyl, Automatic 4-spd	REGULAR	22	$2,850
2.5L 4-cyl, Automatic 4-spd	REGULAR	22	$2,850
2.5L 4-cyl, 4-spd manual	REGULAR	21	$2,950
2.8L 6-cyl, Automatic 4-spd	REGULAR	19	$3,300
2.8L 6-cyl, Automatic 4-spd	REGULAR	19	$3,300
2.8L 6-cyl, 5-spd manual	REGULAR	18	$3,450
2.8L 6-cyl, 5-spd manual	REGULAR	18	$3,450
5.0L 8-cyl, Automatic 4-spd	REGULAR	17	$3,650
5.0L 8-cyl, Automatic 4-spd	REGULAR	17	$3,650
5.0L 8-cyl, 5-spd manual	REGULAR	15	$4,150
5.0L 8-cyl, 5-spd manual	REGULAR	15	$4,150

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