Tank figures are the manufacturer's rated capacity, sorted smallest tank first. The EPA doesn't rate fuel economy for heavy-duty pickups and vans (over 8,500 lb gross vehicle weight), so these trims have no official MPG or range.
What it costs to fill up a 2019 Chevrolet Silverado 3500HD
$153.72to fill the 36.0-gallon tank from empty with regular, at this week's US average of $4.27 a gallon.
2019 Chevrolet Silverado 3500HD vs similar 2019 pickups
At 36.0 gallons, the Silverado 3500HD's largest tank ranks second of the three 2019 pickups compared here. The Ford F-350 Super Duty carries the most (48.0 gal) and the GMC Sierra 3500HD the least (36.0 gal).
Picked by body style and size: other 2019 pickups within about 5% of the Silverado 3500HD's length and 15% of its curb weight, one model per brand.
2019 Chevrolet Silverado 3500HD fuel system recalls
NHTSA lists 1 fuel-system recall for the 2019 Chevrolet Silverado 3500HD, out of 7 recalls in total. A recall applies only to the vehicles named in it, so check your VIN.
Storage · Tank assemblyFeb 2, 2023 · NHTSA 23V047000 · General Motors, LLC · 22,132 vehicles
General Motors, LLC (GM) is recalling certain 2017-2019 Chevrolet Silverado 2500, 3500, and GMC Sierra 2500, 3500 vehicles equipped with a dual fuel tank option. The rear fuel tank may collapse and prevent the fuel pump from transferring fuel to the front tank, resulting in an engine stall.
Risk and remedy
Risk: An engine stall increases the risk of a crash.
Remedy: Dealers will inspect the fuel tank and fuel pump module, replacing them as necessary. Dealers will also add a vent hose to the rear tank assembly. Repairs will be performed free of charge. An interim owner notification letter informing owners of the safety risk was mailed on March 15, 2023. Owner notification letters were mailed June 21, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is N222368030.
What is the fuel tank capacity of the 2019 Chevrolet Silverado 3500HD?
The 2019 Chevrolet Silverado 3500HD holds 36.0 gallons (136 liters) on every trim we list.
How many gallons and liters does the 2019 Chevrolet Silverado 3500HD gas tank hold?
The 2019 Chevrolet Silverado 3500HD tank holds 136 liters, or 36.0 gallons in US gallons.
Does 4WD change the 2019 Chevrolet Silverado 3500HD gas tank?
No. 4WD and RWD versions of the 2019 Chevrolet Silverado 3500HD use the same 36.0 gal tank.
What gas does the 2019 Chevrolet Silverado 3500HD take?
Flex-fuel (unleaded/E85). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2019 Chevrolet Silverado 3500HD?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 36.0-gallon tank from empty costs $153.72. It ranges from $133.20 in the Gulf Coast to $212.04 in California.
How much does a full tank of gas weigh in a 2019 Chevrolet Silverado 3500HD?
About 223 pounds for the 36.0-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2019 Chevrolet Silverado 3500HD have a bigger gas tank than the GMC Sierra 3500HD?
No, they match: both top out at 36.0 gallons in 2019.
Has the 2019 Chevrolet Silverado 3500HD had a fuel pump or fuel system recall?
Yes. NHTSA lists 1 fuel-system recall for the 2019 Chevrolet Silverado 3500HD: 23V047000 (storage · tank assembly). Check your VIN at nhtsa.gov/recalls to see if your car is affected.
Sources
Tank sizes: manufacturer-rated capacities from US-market specifications, cross-checked against a second spec database. Updated October 2026.
MPG and range: EPA ratings. Range is tank size times EPA MPG.