GMC S15 Cab Chassis 2WD Fuel Economy History

MPG by year — EPA official data.

Best MPG Year

1987

17 MPG combined

Latest Model

1988

14 MPG combined

Year	Engine	City	Hwy	Combined	Fuel Cost/yr
1988	Regular	14	14	14	$4,800	Details →
1987	Regular	17	17	17	$3,950	Details →
1986	Regular	17	18	17	$3,950	Details →
1985	Regular	17	17	17	$3,950	Details →
1984	Regular	15	16	15	$4,500	Details →