How much coolant does a 2020 Toyota Avalon hold?

The 2020 Toyota Avalon cooling system capacity is 6.40 QTS. (6.05 L).

What happens if I use the wrong coolant in my 2020 Toyota Avalon?

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.

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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.

2020 Toyota AvalonCoolant Type & Capacity

OEM spec from the factory service manual for the Hybrid Limited 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

6.40 QTS.

6.05 L

Variant

Hybrid Limited

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

This vehicle's factory manual

2020 Toyota Avalon: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.

Open this vehicle’s service 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 Avalon

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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 2020 Toyota Avalon take?: The 2020 Toyota Avalon 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 Hybrid Limited configuration.
How much coolant does a 2020 Toyota Avalon hold?: The 2020 Toyota Avalon cooling system capacity is 6.40 QTS. (6.05 L).
Can I use universal coolant in my 2020 Toyota Avalon?: 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 2020 Toyota Avalon?: 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.