Automatic Transmission

for 2024 GMC Hummer EV Pickup Electric Tri-Motor · AWD

Fluid Type

GM Ultium Drive Unit synthetic lubricant

Spec: GM proprietary specification

Capacity

2.7qt

2.55 L

Drain & Refill

2.7 qt

2.55 L

Notes

Sealed units, no scheduled service. Three drive units (two front, one rear) each contain approximately 0.9 quarts. Service only if contamination or failure occurs.

Other fluid systems on this vehicle

🔧 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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