Chevrolet Silverado Fuel Tank Capacity
How big is the gas tank on a 2026 Chevrolet Silverado?
The 2026 Chevrolet Silverado has a 24-gallon fuel tank (28 gallons with the optional extended-range tank), good for roughly 744 miles of range at 31 MPG combined.
Latest model year (2026):
The Chevrolet Silverado holds 24 gallons of fuel, or 28 gallons with the optional extended-range tank. At 31 MPG combined that is roughly 744 miles of range on a full tank.
Chevrolet Silverado Gas Tank — All Years
| Year | Tank Capacity | Optional Tank | Combined MPG | Est. Range |
|---|---|---|---|---|
| 2026 | 24 gal | 28 gal | 31 | 744 mi |
| 2025 | 24 gal | 28 gal | — | — |
| 2024 | 24 gal | 28 gal | — | — |
| 2023 | 24 gal | 28 gal | — | — |
| 2022 | 24 gal | 28 gal | — | — |
| 2021 | 24 gal | 28 gal | — | — |
| 2020 | 24 gal | 28 gal | — | — |
| 2019 | 24 gal | 28 gal | — | — |
| 2018 | 26 gal | — | — | — |
| 2017 | 26 gal | — | — | — |
| 2016 | 26 gal | — | — | — |
| 2015 | 26 gal | — | — | — |
Manufacturer specification data sourced from Manufacturer specifications, last verified August 12, 2026. Always confirm against the owner's manual or door-jamb placard before towing or buying tires — figures vary by cab, bed, axle ratio, and options.
Chevrolet Silverado data analysis
Fuel tank: 26 gallons
The Chevrolet Silverado holds 26 gallons (Standard). Smaller-tank configurations carry 24 gal — 2 gal less, and on a long drive that is a whole extra stop. An extended tank of 28 gal was offered, which is the option to look for on a used example if you tow or commute long distances. That is rank 7 of 51 vehicle we hold tank data fors here — top quartile. The cohort median is 21 gal, so this vehicle sits 5 gal above the middle of the field. Next rung up is the Toyota Sequoia at 26.4 gal, 0.4 gal clear of this one. Immediately behind: the Dodge Durango at 24.6 gal. Chevrolet Tahoe, GMC Sierra, GMC Yukon, Nissan Titan, Nissan Armada, Ram 1500 match it exactly — that figure is a segment convention, not an engineering ceiling.
How far that goes
Full-tank range works out at 390–1,820 miles on EPA combined figures (15–70 MPG across the configurations on file). On the highway cycle at 63 MPG the best version covers 1,638 miles between fills. Usable range is nearer 351 miles. The last tenth of the tank sits below the pump pickup on hills and hard cornering. Annual fuel spend at 15,000 miles and $3.50/gal: $750, across about 8 tanks.
Configurations and caveats
12 configurations on file across 2015–2026. Four-wheel-drive versions occasionally carry a smaller tank than two-wheel-drive ones to clear the transfer case, so match the row to the drivetrain. Sources for these 12 rows: manufacturer filings, covering 12 model years.
How Chevrolet Silverado fuel tank capacity varies
Across 12 configurations recorded for the 2015 through 2026 Chevrolet Silverado, fuel tank capacity runs from 24 gallons to 26 gallons. The strongest figure belongs to the 2015 Chevrolet Silverado (Standard) at 26 gallons, and the weakest to the 2026 car (Standard) at 24 gallons — a spread of 8%. The narrow spread means any year of the Chevrolet Silverado in this table behaves much like the others, so you can shop on price, condition and mileage rather than chasing a particular model year.
What changed for 2026
Average fuel tank capacity for the 2026 Chevrolet Silverado is 24 gallons, against 24 gallons for the 2025 car — it held flat. A carry-over year like this usually means no powertrain or structural change, so an older example is the cheaper way into the same specification.
Configurations behind these Chevrolet Silverado numbers
The 2015 through 2026 Chevrolet Silverado entries here span 12 model years of published measurements for this figure. 2026 is the busiest model year in the record with 1 separate measured configuration, which is why a single quoted fuel tank capacity figure for that year is rarely the one that matches the car in front of you. Match the row to the exact drivetrain, body style and engine on the window sticker or VIN before relying on the number, and use the comparison links below to see how those same configurations line up against rival models.
Frequently Asked Questions About Silverado Gas Tank
How big is the Chevrolet Silverado gas tank?
The Chevrolet Silverado has a 24-gallon fuel tank, or 28 gallons with the optional extended-range tank. Capacity changed between generations — the table above lists it year by year.
How far can the Chevrolet Silverado go on a full tank?
At roughly 31 MPG combined, a full 24-gallon tank is good for about 744 miles. Plan on refueling near 300 miles, since most fuel gauges read empty with 1–2 gallons still in the tank.
How much does it cost to fill up a Chevrolet Silverado?
At $3.50 per gallon, filling the 24-gallon tank from empty costs about $84. Multiply the tank size by your local pump price for a current figure.