10 qts
donkey, you need frying oil
5W30
Consult the manual that came with the truck. I don't know which motor you have, but that's the kind of stuff I learn before I buy a truck. 5
5 qts.
1988 GMC Sierra Pick-up truck
5 quarts or just under 4 liters
10W30 Gastrol GTX works real good.
My 2000 Sierra with 5.3 liters V8 needs 6 1/2 quarts of oil
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The oil pressure sending unit on a 2005 GMC Sierra
Using a Sierra Classic 1500 Series Truck I came up with 6.1 quarts