1999 GMC Sierra Classic 2500 Gas Tank Size
Gas tank size for 1999 GMC Sierra Classic 2500. Fuel tank capacity in gallons and litres.
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| Trim | Engine Type | Gallons (US) | Gallons (UK) | Litres |
|---|---|---|---|---|
| HD SLT - Regular Cab Pickup(5.7L V8 4x4 5-speed Manual) | Gas | 34 | 28.3 | 129 |
| SL - Crew Cab Pickup(5.7L V8 5-speed Manual) | Gas | N/A | N/A | N/A |
| HD SLE - Regular Cab Pickup(5.7L V8 5-speed Manual) | Gas | 34 | 28.3 | 129 |
| SLE - Crew Cab Pickup(5.7L V8 5-speed Manual) | Gas | N/A | N/A | N/A |
| SLT - Crew Cab Pickup(5.7L V8 5-speed Manual) | Gas | N/A | N/A | N/A |
| SL - Extended Cab Pickup(5.7L V8 4x4 5-speed Manual) | Gas | 25 | 20.8 | 95 |
| SL - Regular Cab Pickup(5.7L V8 4x4 5-speed Manual) | Gas | 34 | 28.3 | 129 |
| SLE - Crew Cab Pickup(5.7L V8 4x4 5-speed Manual) | Gas | N/A | N/A | N/A |
| SL - Extended Cab Pickup(5.7L V8 4x4 5-speed Manual) | Gas | 34 | 28.3 | 129 |
| HD SLE - Extended Cab Pickup(5.7L V8 5-speed Manual) | Gas | 34 | 28.3 | 129 |
| HD SLT - Regular Cab Pickup(5.7L V8 5-speed Manual) | Gas | 34 | 28.3 | 129 |
| C2500 SLT HD - Extended Cab Pickup(5.7L V8 5-speed Manual) | Gas | 34 | 28.3 | 129 |
| HD SLE - Extended Cab Pickup(5.7L V8 4x4 5-speed Manual) | Gas | 25 | 20.8 | 95 |
| SLT - Crew Cab Pickup(5.7L V8 4x4 5-speed Manual) | Gas | N/A | N/A | N/A |
| SL - Crew Cab Pickup(5.7L V8 4x4 5-speed Manual) | Gas | N/A | N/A | N/A |
| HD SLE - Extended Cab Pickup(5.7L V8 4x4 5-speed Manual) | Gas | 34 | 28.3 | 129 |
| HD SLE - Regular Cab Pickup(5.7L V8 4x4 5-speed Manual) | Gas | 34 | 28.3 | 129 |
| HD SLT - Extended Cab Pickup(5.7L V8 4x4 5-speed Manual) | Gas | 34 | 28.3 | 129 |
| HD SLT - Extended Cab Pickup(5.7L V8 4x4 5-speed Manual) | Gas | 25 | 20.8 | 95 |
| HD SL - Regular Cab Pickup(5.7L V8 5-speed Manual) | Gas | 34 | 28.3 | 129 |
| SL - Extended Cab Pickup(5.7L V8 5-speed Manual) | Gas | 34 | 28.3 | 129 |
GMC Sierra Classic 2500 1999