2021 Toyota Prius Fluid Capacities

OEM fluid capacity chart from the factory service manual for the 2021 (2021).

Quick Answer

Automatic Transmission Fluid

3.80 QTS. (3.59 L) β€” TOYOTA Genuine Automatic Transmission Fluid Type WS Note: Using transmission fluid other than TOYOTA Genuine ATF WS may cause deterioration in shift quality, locking up of your transmission acompanied by vibration, and ultimately damage the transmission of your vehicle. The fluid capacity is the quantity of reference.

Brake Fluid

β€” SAE J1703 or FMVSS No. 116 DOT 3 SAE J1704 or FMVSS No. 116 DOT 4

Engine Coolant

1.50 QTS. (1.41 L) β€” 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 Note: DO NOT use plain water alone. The fluid capacity is the quantity of reference.

Engine Oil

4.10 QTS. (3.88 L) β€” TOYOTA Genuine Motor Oil. API - SN/RC Multigrade Engine Oil, SAE 0W-16 Note: SAE 0W-16 is the best choice for good fuel economy and good starting in cold weather. If SAE 0W-16 is not available, SAE 0W-20 oil may be used. However, it must be replaced with 0W-16 at the next oil change.

Differential Gear Oil (4WD)

1.30 QTS. (1.23 L) β€” TOYOTA Genuine Automatic Transmission Fluid Type WS

Notes

  • β†’Using transmission fluid other than TOYOTA Genuine ATF WS may cause deterioration in shift quality, locking up of your transmission acompanied by vibration, and ultimately damage the transmission of your vehicle. The fluid capacity is the quantity of reference.
  • β†’DO NOT use plain water alone. The fluid capacity is the quantity of reference.
  • β†’SAE 0W-16 is the best choice for good fuel economy and good starting in cold weather. If SAE 0W-16 is not available, SAE 0W-20 oil may be used. However, it must be replaced with 0W-16 at the next oil change.
  • β†’In cold areas where temperatures range below the freezing point, use washer fluid containing antifreeze.
Source: Factory service manual β€” 2021 Toyota Prius 2021.

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Frequently Asked Questions

What are the fluid capacities for a 2021 Toyota Prius?
The 2021 Toyota Prius fluid capacities are: Automatic Transmission Fluid: 3.80 QTS. (3.59 L) β€” TOYOTA Genuine Automatic Transmission Fluid Type WS Note: Using transmission fluid other than TOYOTA Genuine ATF WS may cause deterioration in shift quality, locking up of your transmission acompanied by vibration, and ultimately damage the transmission of your vehicle. The fluid capacity is the quantity of reference., Brake Fluid: β€” SAE J1703 or FMVSS No. 116 DOT 3 SAE J1704 or FMVSS No. 116 DOT 4, Engine Coolant: 1.50 QTS. (1.41 L) β€” 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 Note: DO NOT use plain water alone. The fluid capacity is the quantity of reference., Engine Oil: 4.10 QTS. (3.88 L) β€” TOYOTA Genuine Motor Oil. API - SN/RC Multigrade Engine Oil, SAE 0W-16 Note: SAE 0W-16 is the best choice for good fuel economy and good starting in cold weather. If SAE 0W-16 is not available, SAE 0W-20 oil may be used. However, it must be replaced with 0W-16 at the next oil change., Differential Gear Oil (4WD): 1.30 QTS. (1.23 L) β€” TOYOTA Genuine Automatic Transmission Fluid Type WS.
How much engine oil does a 2021 Toyota Prius take?
The 2021 Toyota Prius takes 4.10 QTS. (3.88 L) β€” TOYOTA Genuine Motor Oil. API - SN/RC Multigrade Engine Oil, SAE 0W-16 Note: SAE 0W-16 is the best choice for good fuel economy and good starting in cold weather. If SAE 0W-16 is not available, SAE 0W-20 oil may be used. However, it must be replaced with 0W-16 at the next oil change..