Does the 1985 GMC S15 Pickup 2WD take premium or regular gas?

The EPA lists the 1985 GMC S15 Pickup 2WD 2.8L 6-cyl, Automatic 4-spd, RWD as taking regular. Combined MPG is 18, and the EPA estimates about $3,450 a year in fuel.

← all 1985 GMC S15 Pickup 2WD trims

1985 GMC S15 Pickup 2WD — 2.8L 6-cyl, Automatic 4-spd, RWD

This 1985 GMC S15 Pickup 2WD (2.8L 6-cyl, Automatic 4-spd, RWD) takes regular (87-octane) gasoline. REGULAR

MPG combined (15 city / 22 hwy)

$3,450

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

—

tailpipe CO₂

Other 1985 GMC S15 Pickup 2WD trims

Trim	Fuel	MPG	Fuel/yr
1.9L 4-cyl, 4-spd manual, RWD	REGULAR	23	$2,700
2.5L 4-cyl, 5-spd manual, RWD	REGULAR	22	$2,850
2.5L 4-cyl, Automatic 4-spd, RWD	REGULAR	21	$2,950
2.5L 4-cyl, 4-spd manual, RWD	REGULAR	21	$2,950
2.8L 6-cyl, Automatic 4-spd, RWD	REGULAR	19	$3,300
2.8L 6-cyl, 4-spd manual, RWD	REGULAR	19	$3,300
2.8L 6-cyl, 5-spd manual, RWD	REGULAR	19	$3,300
2.8L 6-cyl, 4-spd manual, RWD	REGULAR	19	$3,300
2.8L 6-cyl, 5-spd manual, RWD	REGULAR	18	$3,450
2.2L 4-cyl, 4-spd manual, RWD	DIESEL	28	$2,800
2.2L 4-cyl, 5-spd manual, RWD	DIESEL	28	$2,800
2.2L 4-cyl, 4-spd manual, RWD	DIESEL	27	$2,900
2.2L 4-cyl, 5-spd manual, RWD	DIESEL	27	$2,900

EPA fuel type: Regular · class: Small Pickup Trucks · retrieved 2026-06-14.