1990 GMC S-15 Gas Tank Size

Gas tank size for 1990 GMC S-15. Fuel tank capacity in gallons and litres for 13 available trims.

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Trim	Gallons	Litres	Fuel type
Sierra Classic - Extended Cab Pickup (4.3L V6 4x4 5-speed Manual)	20	76	Gas
Sierra Classic - Regular Cab Pickup (4.3L V6 4x4 5-speed Manual)	20	76	Gas
Base - Extended Cab Pickup (2.5L 4-cyl. 5-speed Manual)	20	76	Gas
Base - Regular Cab Pickup (2.5L 4-cyl. 5-speed Manual)	20	76	Gas
Base - Extended Cab Pickup (4.3L V6 4x4 5-speed Manual)	20	76	Gas
Base - Regular Cab Pickup (4.3L V6 4x4 5-speed Manual)	20	76	Gas
EL - Regular Cab Pickup (2.5L 4-cyl. 5-speed Manual)	20	76	Gas
High Sierra - Extended Cab Pickup (2.5L 4-cyl. 5-speed Manual)	20	76	Gas
High Sierra - Regular Cab Pickup (2.5L 4-cyl. 5-speed Manual)	20	76	Gas
High Sierra - Extended Cab Pickup (4.3L V6 4x4 5-speed Manual)	20	76	Gas
High Sierra - Regular Cab Pickup (4.3L V6 4x4 5-speed Manual)	20	76	Gas
Sierra Classic - Extended Cab Pickup (2.5L 4-cyl. 5-speed Manual)	20	76	Gas
Sierra Classic - Regular Cab Pickup (2.5L 4-cyl. 5-speed Manual)	20	76	Gas

1990 GMC S-15