1991 GMC Sierra 2500 Gas Tank Size
Gas tank size for 1991 GMC Sierra 2500. Fuel tank capacity in gallons and litres.
This page may contain affiliate links marked with. Read more about our disclaimer.
| Trim | Engine Type | Gallons (US) | Gallons (UK) | Litres |
|---|---|---|---|---|
| Base - Extended Cab Pickup(4.3L V6) | Gas | 34 | 28.3 | 129 |
| Base - Extended Cab Pickup(4.3L V6) | Gas | 34 | 28.3 | 129 |
| Base - Regular Cab Pickup(4.3L V6) | Gas | 34 | 28.3 | 129 |
| SLE - Extended Cab Pickup(4.3L V6) | Gas | 34 | 28.3 | 129 |
| SLE - Extended Cab Pickup(4.3L V6) | Gas | 34 | 28.3 | 129 |
| SLE - Regular Cab Pickup(4.3L V6) | Gas | 34 | 28.3 | 129 |
| SLX - Extended Cab Pickup(4.3L V6) | Gas | 34 | 28.3 | 129 |
| SLX - Extended Cab Pickup(4.3L V6) | Gas | 34 | 28.3 | 129 |
| Base - Extended Cab Pickup(4.3L V6 4x4) | Gas | 34 | 28.3 | 129 |
| Base - Extended Cab Pickup(4.3L V6 4x4) | Gas | 34 | 28.3 | 129 |
| Base - Regular Cab Pickup(4.3L V6 4x4) | Gas | 34 | 28.3 | 129 |
| SLE - Extended Cab Pickup(4.3L V6 4x4) | Gas | 34 | 28.3 | 129 |
| SLE - Extended Cab Pickup(4.3L V6 4x4) | Gas | 34 | 28.3 | 129 |
| SLE - Regular Cab Pickup(4.3L V6 4x4) | Gas | 34 | 28.3 | 129 |
| SLX - Extended Cab Pickup(4.3L V6 4x4) | Gas | 34 | 28.3 | 129 |
| SLX - Extended Cab Pickup(4.3L V6 4x4) | Gas | 34 | 28.3 | 129 |
| SLX - Regular Cab Pickup(4.3L V6 4x4) | Gas | 34 | 28.3 | 129 |
| SLX - Regular Cab Pickup(4.3L V6) | Gas | 34 | 28.3 | 129 |
GMC Sierra 2500 1991