1990 GMC R/V 3500 Series Gas Tank Size
Gas tank size for 1990 GMC R/V 3500 Series. Fuel tank capacity in gallons and litres.
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| Trim | Engine Type | Gallons (US) | Gallons (UK) | Litres |
|---|---|---|---|---|
| SLE - Crew Cab Pickup(5.7L V8 4-speed Manual) | Gas | 40 | 33.3 | 152 |
| SLE - Crew Cab Pickup(5.7L V8 4x4 4-speed Manual) | Gas | 20 | 16.7 | 76 |
| Base - Crew Cab Pickup(5.7L V8 4-speed Manual) | Gas | 40 | 33.3 | 152 |
| Base - Crew Cab Pickup(5.7L V8 4x4 4-speed Manual) | Gas | 20 | 16.7 | 76 |