GMC Sierra Classic 3500 Gas Tank Size
Gas tank size for GMC Sierra Classic 3500 from 1999 to 2000 production years. Fuel tank capacity in gallons and litres.
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| Year | Gallons | Litres | Fuel type |
|---|---|---|---|
| 2000 | 34 | 129 | Gas |
| 1999 | 34 | 129 | Gas |