Chevrolet 2000 Tahoe Owner's Manual page 365

Crankcase Capacity (Approximate)
After refill, the level must be rechecked. Add enough engine oil so that the fluid is within the proper operating range.
See "Engine Oil" in the Index.
Engine
VORTEC 4800 V8
VORTEC 5300 V8
VORTEC 6000 V8
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Oil filter should be changed at every oil change.
Fuel Tank Capacity (Approximate)
Type
4 Door Utility
Suburban/Yukon XL (1500 Series)
Suburban/Yukon XL (2500 Series)
6-66
VIN Quantity with Filter
V 6.0 quarts (5.7 L)
T 6.0 quarts (5.7 L)
U 6.0 quarts (5.7 L)
Quantity
26.0 U.S. gallons (98.4 L)
32.5 U.S. gallons (123.0 L)
38.5 U.S. gallons (147.6 L)
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