Does the 1984 GMC T15 (S15) Pickup 4WD take premium or regular gas?

The EPA lists the 1984 GMC T15 (S15) Pickup 4WD 2.8L 6-cyl, 5-spd manual, AWD as taking regular. Combined MPG is 18, and the EPA estimates about $3,450 a year in fuel.

← all 1984 GMC T15 (S15) Pickup 4WD trims

1984 GMC T15 (S15) Pickup 4WD — 2.8L 6-cyl, 5-spd manual, AWD

This 1984 GMC T15 (S15) Pickup 4WD (2.8L 6-cyl, 5-spd manual, AWD) takes regular (87-octane) gasoline. REGULAR

MPG combined (15 city / 22 hwy)

$3,450

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

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tailpipe CO₂

Other 1984 GMC T15 (S15) Pickup 4WD trims

Trim	Fuel	MPG	Fuel/yr
2.0L 4-cyl, 4-spd manual, AWD	REGULAR	20	$3,100
2.0L 4-cyl, 5-spd manual, AWD	REGULAR	20	$3,100
2.0L 4-cyl, 4-spd manual, AWD	REGULAR	20	$3,100
2.0L 4-cyl, 5-spd manual, AWD	REGULAR	20	$3,100
2.8L 6-cyl, Automatic 4-spd, AWD	REGULAR	18	$3,450
2.8L 6-cyl, Automatic 4-spd, AWD	REGULAR	18	$3,450
2.8L 6-cyl, 5-spd manual, AWD	REGULAR	18	$3,450
2.8L 6-cyl, 4-spd manual, AWD	REGULAR	17	$3,650
2.8L 6-cyl, 4-spd manual, AWD	REGULAR	17	$3,650

EPA fuel type: Regular · class: Standard Pickup Trucks 4WD · retrieved 2026-06-14.