How much coolant does a 2021 Toyota Prius hold?

The 2021 Toyota Prius cooling system capacity is 6.60 QTS. (6.24 L).

What happens if I use the wrong coolant in my 2021 Toyota Prius?

Using coolant that does not meet the OEM specification can cause corrosion, gasket damage, and overheating. Always verify the correct coolant type before topping off or flushing the system.

Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2021 Toyota PriusCoolant Type & Capacity

OEM spec from the factory service manual for the 2020 Edition variant.

Quick Answer

Coolant Type

TOYOTA Super Long Life Coolant or similar high-quality ethylene glycol-based non-silicate, non-amine, non-nitrate and non-borate coolant with long-life hybrid organic acid technology

Capacity

6.60 QTS.

6.24 L

Variant

2020 Edition

Note: DO NOT use plain water alone. The fluid capacity is the quantity of reference.

This vehicle's factory manual

The coolant spec is above. This opens the fluids section of the 2021 Toyota Prius 2020 Edition factory book.

Open the 2021 Toyota manual

Other specs:All specs Oil Type Tire Size Spark Plugs Trans Fluid Brake Fluid Capacities

What You'll Need

Engine Coolant / Antifreeze

TOYOTA Super Long Life Coolant or similar high-quality ethylene glycol-based non-silicate, non-amine, non-nitrate and non-borate coolant with long-life hybrid organic acid technology for Toyota Prius

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Tool

Related for Your 2021 Toyota Prius

Maintenance Specs

🛢️Oil Type & Capacity 🔘Tire Size ⚡Spark Plug Type ⚙️Transmission Fluid 🚨Brake Fluid 🧪Fluid Capacities

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Frequently Asked Questions

What type of coolant does a 2021 Toyota Prius take?: The 2021 Toyota Prius requires TOYOTA Super Long Life Coolant or similar high-quality ethylene glycol-based non-silicate, non-amine, non-nitrate and non-borate coolant with long-life hybrid organic acid technology. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the 2020 Edition configuration.
How much coolant does a 2021 Toyota Prius hold?: The 2021 Toyota Prius cooling system capacity is 6.60 QTS. (6.24 L).
Can I use universal coolant in my 2021 Toyota Prius?: It is strongly recommended to use coolant that meets the TOYOTA Super Long Life Coolant or similar high-quality ethylene glycol-based non-silicate, non-amine, non-nitrate and non-borate coolant with long-life hybrid organic acid technology specification. Universal coolants may not provide the correct corrosion protection for your engine's materials.
What happens if I use the wrong coolant in my 2021 Toyota Prius?: Using coolant that does not meet the OEM specification can cause corrosion, gasket damage, and overheating. Always verify the correct coolant type before topping off or flushing the system.