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2026 GMC SIERRA 1500
6.2L V8•RWD•AUTOMATIC•gas
2 active safety recalls on this vehicle — view recalls
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Repairs0Labor528Torque149Fluid7DTC971Battery1Maintenance0Recalls2
Fluid · Rear Differential

Rear Differential

for 2026 GMC Sierra 1500 6.2L V8 · RWD
Fluid Type
75W-90 synthetic gear oil
Spec: GM Specification 9986115 or API GL-5
Capacity
2.75qt
2.6 L
Drain & Refill
2.75 qt
2.6 L

Notes

Capacity varies slightly by axle ratio. Lifetime fill per GM, service if contaminated or towing heavily

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Other fluid systems on this vehicle

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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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