1990 GMC Sierra 2500 Gas Tank Size

Gas tank size for 1990 GMC Sierra 2500. Fuel tank capacity in gallons and litres for 12 available trims.

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TrimGallonsLitresFuel type
  • Base - Extended Cab Pickup
  • (4.3L V6 4x4)
34129Gas
  • Base - Regular Cab Pickup
  • (4.3L V6 4x4)
34129Gas
  • SLE - Extended Cab Pickup
  • (4.3L V6 4x4)
34129Gas
  • SLE - Regular Cab Pickup
  • (4.3L V6 4x4)
34129Gas
  • SLX - Extended Cab Pickup
  • (4.3L V6 4x4)
34129Gas
  • SLX - Regular Cab Pickup
  • (4.3L V6 4x4)
34129Gas
  • SLX - Extended Cab Pickup
  • (4.3L V6)
34129Gas
  • SLX - Regular Cab Pickup
  • (4.3L V6)
34129Gas
  • Base - Extended Cab Pickup
  • (4.3L V6)
34129Gas
  • Base - Regular Cab Pickup
  • (4.3L V6)
34129Gas
  • SLE - Extended Cab Pickup
  • (4.3L V6)
34129Gas
  • SLE - Regular Cab Pickup
  • (4.3L V6)
34129Gas
1990 GMC Sierra 2500

1990 GMC Sierra 2500

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