1999 GMC Sierra 1500 Gas Tank Size
Gas tank size for 1999 GMC Sierra 1500. 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 |
|---|---|---|---|---|
| SLE - Regular Cab Pickup(4.3L V6 4x4 5-speed Manual) | Gas | 26 | 21.6 | 99 |
| SLT - Extended Cab Pickup(4-speed Automatic) | N/A | 26 | 21.6 | 99 |
| SL - Regular Cab Pickup(4.3L V6 5-speed Manual) | Gas | 26 | 21.6 | 99 |
| SLT - Extended Cab Pickup(4.8L V8 4x4 4-speed Automatic) | Gas | 34 | 28.3 | 129 |
| SLT - Extended Cab Pickup(4.8L V8 4x4 4-speed Automatic) | Gas | 26 | 21.6 | 99 |
| SLT - Extended Cab Pickup(4.8L V8 4x4 4-speed Automatic) | Gas | 26 | 21.6 | 99 |
| SL - Extended Cab Pickup(4.8L V8 4x4 4-speed Automatic) | Gas | 26 | 21.6 | 99 |
| SL - Regular Cab Pickup(4.3L V6 4x4 5-speed Manual) | Gas | 26 | 21.6 | 99 |
| SLE - Extended Cab Pickup(4.8L V8 4x4 4-speed Automatic) | Gas | 26 | 21.6 | 99 |
| SL - Extended Cab Pickup(4-speed Automatic) | N/A | 26 | 21.6 | 99 |
| SLE - Regular Cab Pickup(4.3L V6 5-speed Manual) | Gas | 26 | 21.6 | 99 |
| SLE - Extended Cab Pickup(4-speed Automatic) | N/A | 26 | 21.6 | 99 |
| SLT - Extended Cab Pickup(4-speed Automatic) | N/A | 26 | 21.6 | 99 |
| SLT - Extended Cab Pickup(4-speed Automatic) | N/A | 34 | 28.3 | 129 |
| SLE - Extended Cab Pickup(4-speed Automatic) | N/A | 26 | 21.6 | 99 |
| SLE - Regular Cab Pickup(4.3L V6 5-speed Manual) | Gas | 34 | 28.3 | 129 |
| SL - Regular Cab Pickup(4.3L V6 5-speed Manual) | Gas | 26 | 21.6 | 99 |
| SL - Regular Cab Pickup(4.3L V6 5-speed Manual) | Gas | 34 | 28.3 | 129 |
| SL - Regular Cab Pickup(4.3L V6 4x4 5-speed Manual) | Gas | 34 | 28.3 | 129 |
| SLE - Regular Cab Pickup(4.3L V6 5-speed Manual) | Gas | 26 | 21.6 | 99 |
| SL - Extended Cab Pickup(4-speed Automatic) | N/A | 26 | 21.6 | 99 |
| SL - Extended Cab Pickup(4-speed Automatic) | N/A | 34 | 28.3 | 129 |
| SLE - Regular Cab Pickup(4.3L V6 4x4 5-speed Manual) | Gas | 26 | 21.6 | 99 |
| SLE - Regular Cab Pickup(4.3L V6 4x4 5-speed Manual) | Gas | 34 | 28.3 | 129 |
| SLE - Extended Cab Pickup(4-speed Automatic) | N/A | 34 | 28.3 | 129 |
| SL - Extended Cab Pickup(4.8L V8 4x4 4-speed Automatic) | Gas | 26 | 21.6 | 99 |
| SL - Extended Cab Pickup(4.8L V8 4x4 4-speed Automatic) | Gas | 34 | 28.3 | 129 |
| SLE - Extended Cab Pickup(4.8L V8 4x4 4-speed Automatic) | Gas | 26 | 21.6 | 99 |
| SLE - Extended Cab Pickup(4.8L V8 4x4 4-speed Automatic) | Gas | 34 | 28.3 | 129 |
| SL - Regular Cab Pickup(4.3L V6 4x4 5-speed Manual) | Gas | 26 | 21.6 | 99 |
GMC Sierra 1500 1999