Coolant

for 2026 Rivian R1T Standard Range Dual Motor AWD · AWD

Fluid Type

ethylene glycol-based EV coolant

Spec: Rivian proprietary specification

Capacity

18qt

17.03 L

Drain & Refill

16 qt

15.14 L

Change Interval

150,000 mi

241,350 km

Data quality

Book-style estimate

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Notes

Dual thermal management system — battery thermal loop and power electronics/motor cooling loop; slightly reduced capacity vs Quad due to smaller battery pack

Other fluid systems on this vehicle

Brake Fluid

1 qt

Power Steering

Automatic Transmission

4 qt

Washer Fluid

1.5 qt

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