Owner's Manual
Page 377
... V8 VORTEC 5300 V8 VORTEC 6000 V8 VORTEC 8100 V8 VIN V T U G Quantity with Filter[ 6.0 quarts (5.7 L) 6.0 quarts (5.7 L) 6.0 quarts (5.7 L) 6.5 quarts (6.1 L) Fuel Tank Capacity Type 4 Door Utility Suburban/Yukon XL (1500 Series) Suburban/Yukon XL (2500 Series) Quantity 26.0 U.S.
... V8 VORTEC 5300 V8 VORTEC 6000 V8 VORTEC 8100 V8 VIN V T U G Quantity with Filter[ 6.0 quarts (5.7 L) 6.0 quarts (5.7 L) 6.0 quarts (5.7 L) 6.5 quarts (6.1 L) Fuel Tank Capacity Type 4 Door Utility Suburban/Yukon XL (1500 Series) Suburban/Yukon XL (2500 Series) Quantity 26.0 U.S.