Automatic Transmission

for 2025 Rivian R1S Quad Motor AWD · AWD

Fluid Type

Rivian gear oil for single-speed reduction gearbox

Spec: Rivian-specific synthetic gear lubricant

Capacity

5qt

4.73 L

Drain & Refill

5 qt

4.73 L

Notes

Quad motor system uses four single-speed reduction gearboxes (one per wheel); fluid is typically sealed for life but serviceable if needed. Combined capacity approximately 5.0 quarts total.

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 Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.

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