Automatic Transmission

for 2021 GMC Sierra 1500 3.0L I6 Duramax Diesel · RWD

Fluid Type

Mobil 1 Synthetic LV ATF HP

Spec: GM TES 468

Capacity

12qt

11.35 L

Drain & Refill

5 qt

4.73 L

Data quality

Book-style estimate

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Notes

10-speed automatic (10L1000). Fill-for-life per GM, but severe service drain-and-fill recommended at 45000-60000 miles. Pan holds approximately 5 quarts.

Other fluid systems on this vehicle

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