Fluid · Coolant
Coolant
for 2026 Rivian R2 Single Motor RWD · RWD
Fluid Type
ethylene glycol-based EV coolant
Spec: Rivian proprietary specification
Capacity
12qt
11.35 L
Drain & Refill
10 qt
9.46 L
Change Interval
150,000 mi
241,350 km
Data quality
Book-style estimate
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Notes
Dual thermal management system — smallest capacity in R2 lineup due to single motor and likely smaller battery configuration