2019 GMC Sierra 3500HD Gas Tank Size

Gas tank size for 2019 GMC Sierra 3500HD. Fuel tank capacity in gallons and litres for 24 available trims.

As an Amazon Associate, we may earn a commission from purchases made through links marked. Read more in our disclaimer.

Trim	Gallons	Litres	Fuel type
4dr Crew Cab SB (6.0L V8 6-speed Automatic)	36	136	Flex-fuel (FFV)
4dr Crew Cab LB (6.0L V8 6-speed Automatic)	36	136	Flex-fuel (FFV)
4dr Crew Cab LB DRW (6.0L V8 6-speed Automatic)	36	136	Flex-fuel (FFV)
4dr Crew Cab 4WD SB (6.0L V8 6-speed Automatic)	36	136	Flex-fuel (FFV)
4dr Crew Cab 4WD LB (6.0L V8 6-speed Automatic)	36	136	Flex-fuel (FFV)
4dr Crew Cab 4WD LB DRW (6.0L V8 6-speed Automatic)	36	136	Flex-fuel (FFV)
SLE 4dr Crew Cab SB (6.0L V8 6-speed Automatic)	36	136	Flex-fuel (FFV)
SLE 4dr Crew Cab LB (6.0L V8 6-speed Automatic)	36	136	Flex-fuel (FFV)
SLE 4dr Crew Cab LB DRW (6.0L V8 6-speed Automatic)	36	136	Flex-fuel (FFV)
SLE 4dr Crew Cab 4WD SB (6.0L V8 6-speed Automatic)	36	136	Flex-fuel (FFV)
SLE 4dr Crew Cab 4WD LB (6.0L V8 6-speed Automatic)	36	136	Flex-fuel (FFV)
SLE 4dr Crew Cab 4WD LB DRW (6.0L V8 6-speed Automatic)	36	136	Flex-fuel (FFV)
SLT 4dr Crew Cab SB (6.0L V8 6-speed Automatic)	36	136	Flex-fuel (FFV)
SLT 4dr Crew Cab LB (6.0L V8 6-speed Automatic)	36	136	Flex-fuel (FFV)
SLT 4dr Crew Cab LB DRW (6.0L V8 6-speed Automatic)	36	136	Flex-fuel (FFV)
SLT 4dr Crew Cab 4WD SB (6.0L V8 6-speed Automatic)	36	136	Flex-fuel (FFV)
SLT 4dr Crew Cab 4WD LB (6.0L V8 6-speed Automatic)	36	136	Flex-fuel (FFV)
SLT 4dr Crew Cab 4WD LB DRW (6.0L V8 6-speed Automatic)	36	136	Flex-fuel (FFV)
Denali 4dr Crew Cab SB (6.0L V8 6-speed Automatic)	36	136	Flex-fuel (FFV)
Denali 4dr Crew Cab LB DRW (6.0L V8 6-speed Automatic)	36	136	Flex-fuel (FFV)
Denali 4dr Crew Cab LB (6.0L V8 6-speed Automatic)	36	136	Flex-fuel (FFV)
Denali 4dr Crew Cab 4WD LB DRW (6.0L V8 6-speed Automatic)	36	136	Flex-fuel (FFV)
Denali 4dr Crew Cab 4WD SB (6.0L V8 6-speed Automatic)	36	136	Flex-fuel (FFV)
Denali 4dr Crew Cab 4WD LB (6.0L V8 6-speed Automatic)	36	136	Flex-fuel (FFV)

Other Years