Engine oil
7.0 US qt (6.6 L) with filter (GM TechLink MY2025 chart)
Notes
Sierra 1500 AT4 4WD Crew Cab Standard Bed TK10743 4SB LZ0 MQC MY2025 US only. US MY2025 Sierra 1500 AT4 equipment group 4SB, model TK10743 (4WD Crew Cab Standard Bed); standard LZ0/MQC verified in own-model order-guide Mechanical column I, Engine Axles 1 row 16 and MY2025 VIN p.41 series UE. Excludes optional L87 and MHS. No sibling trim, other configuration, optional-engine, cab/box, drive, year or market inference.
Coolant
18.4 L (19.4 US qt), approximately, for the entire engine cooling system (pickup)
Notes
Sierra 1500 AT4 4WD Crew Cab Standard Bed TK10743 4SB LZ0 MQC MY2025 US only. US MY2025 Sierra 1500 AT4 equipment group 4SB, model TK10743 (4WD Crew Cab Standard Bed); standard LZ0/MQC verified in own-model order-guide Mechanical column I, Engine Axles 1 row 16 and MY2025 VIN p.41 series UE. Excludes optional L87 and MHS. No sibling trim, other configuration, optional-engine, cab/box, drive, year or market inference.
Transmission fluid
DEXRON ULV automatic transmission fluid
Notes
Sierra 1500 AT4 4WD Crew Cab Standard Bed TK10743 4SB LZ0 MQC MY2025 US only. US MY2025 Sierra 1500 AT4 equipment group 4SB, model TK10743 (4WD Crew Cab Standard Bed); standard LZ0/MQC verified in own-model order-guide Mechanical column I, Engine Axles 1 row 16 and MY2025 VIN p.41 series UE. Excludes optional L87 and MHS. No sibling trim, other configuration, optional-engine, cab/box, drive, year or market inference.
Fuel tank
90.8 L (24.0 US gal), approximately
Notes
Sierra 1500 AT4 4WD Crew Cab Standard Bed TK10743 4SB LZ0 MQC MY2025 US only. US MY2025 Sierra 1500 AT4 equipment group 4SB, model TK10743 (4WD Crew Cab Standard Bed); standard LZ0/MQC verified in own-model order-guide Mechanical column I, Engine Axles 1 row 16 and MY2025 VIN p.41 series UE. Excludes optional L87 and MHS. No sibling trim, other configuration, optional-engine, cab/box, drive, year or market inference.