2018 GMC Sierra 2500HD Gas Tank Size

Gas tank size for 2018 GMC Sierra 2500HD. Fuel tank capacity in gallons and litres for 30 available trims.

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Trim	Gallons	Litres	Fuel type
Base - Regular Cab Pickup (6.0L V8 FFV 6-speed Automatic 8.2 ft. Bed)	36	136	Flex-fuel (FFV)
Base - Regular Cab Pickup (6.0L V8 FFV 4x4 6-speed Automatic 8.2 ft. Bed)	36	136	Flex-fuel (FFV)
SLE - Regular Cab Pickup (6.0L V8 FFV 6-speed Automatic 8.2 ft. Bed)	36	136	Flex-fuel (FFV)
SLE - Regular Cab Pickup (6.0L V8 FFV 4x4 6-speed Automatic 8.2 ft. Bed)	36	136	Flex-fuel (FFV)
Base - Extended Cab Pickup (6.0L V8 FFV 6-speed Automatic 6.6 ft. Bed)	36	136	Flex-fuel (FFV)
Base - Extended Cab Pickup (6.0L V8 FFV 6-speed Automatic 8.2 ft. Bed)	36	136	Flex-fuel (FFV)
Base - Extended Cab Pickup (6.0L V8 FFV 4x4 6-speed Automatic 6.6 ft. Bed)	36	136	Flex-fuel (FFV)
Base - Extended Cab Pickup (6.0L V8 FFV 4x4 6-speed Automatic 8.2 ft. Bed)	36	136	Flex-fuel (FFV)
SLE - Extended Cab Pickup (6.0L V8 FFV 6-speed Automatic 6.6 ft. Bed)	36	136	Flex-fuel (FFV)
SLE - Extended Cab Pickup (6.0L V8 FFV 6-speed Automatic 8.2 ft. Bed)	36	136	Flex-fuel (FFV)
SLE - Extended Cab Pickup (6.0L V8 FFV 4x4 6-speed Automatic 6.6 ft. Bed)	36	136	Flex-fuel (FFV)
SLE - Extended Cab Pickup (6.0L V8 FFV 4x4 6-speed Automatic 8.2 ft. Bed)	36	136	Flex-fuel (FFV)
SLT - Extended Cab Pickup (6.0L V8 FFV 6-speed Automatic 6.6 ft. Bed)	36	136	Flex-fuel (FFV)
SLT - Extended Cab Pickup (6.0L V8 FFV 6-speed Automatic 8.2 ft. Bed)	36	136	Flex-fuel (FFV)
SLT - Extended Cab Pickup (6.0L V8 FFV 4x4 6-speed Automatic 6.6 ft. Bed)	36	136	Flex-fuel (FFV)
SLT - Extended Cab Pickup (6.0L V8 FFV 4x4 6-speed Automatic 8.2 ft. Bed)	36	136	Flex-fuel (FFV)
Base - Crew Cab Pickup (6.0L V8 FFV 6-speed Automatic 6.6 ft. Bed)	36	136	Flex-fuel (FFV)
Base - Crew Cab Pickup (6.0L V8 FFV 6-speed Automatic 8.2 ft. Bed)	36	136	Flex-fuel (FFV)
Base - Crew Cab Pickup (6.0L V8 FFV 4x4 6-speed Automatic 6.6 ft. Bed)	36	136	Flex-fuel (FFV)
Base - Crew Cab Pickup (6.0L V8 FFV 4x4 6-speed Automatic 8.2 ft. Bed)	36	136	Flex-fuel (FFV)
SLE - Crew Cab Pickup (6.0L V8 FFV 6-speed Automatic 6.6 ft. Bed)	36	136	Flex-fuel (FFV)
SLE - Crew Cab Pickup (6.0L V8 FFV 6-speed Automatic 8.2 ft. Bed)	36	136	Flex-fuel (FFV)
SLE - Crew Cab Pickup (6.0L V8 FFV 4x4 6-speed Automatic 6.6 ft. Bed)	36	136	Flex-fuel (FFV)
SLE - Crew Cab Pickup (6.0L V8 FFV 4x4 6-speed Automatic 8.2 ft. Bed)	36	136	Flex-fuel (FFV)
SLT - Crew Cab Pickup (6.0L V8 FFV 6-speed Automatic 6.6 ft. Bed)	36	136	Flex-fuel (FFV)
SLT - Crew Cab Pickup (6.0L V8 FFV 6-speed Automatic 8.2 ft. Bed)	36	136	Flex-fuel (FFV)
SLT - Crew Cab Pickup (6.0L V8 FFV 4x4 6-speed Automatic 6.6 ft. Bed)	36	136	Flex-fuel (FFV)
SLT - Crew Cab Pickup (6.0L V8 FFV 4x4 6-speed Automatic 8.2 ft. Bed)	36	136	Flex-fuel (FFV)
Denali - Crew Cab Pickup (6.0L V8 FFV 6-speed Automatic 6.6 ft. Bed)	36	136	Flex-fuel (FFV)
Denali - Crew Cab Pickup (6.0L V8 FFV 4x4 6-speed Automatic 6.6 ft. Bed)	36	136	Flex-fuel (FFV)

2018 GMC Sierra 2500HD

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