2019 Mazda 6Coolant Type & Capacity

OEM spec from the factory service manual for the Grand Touring variant.

Quick Answer

Coolant Type

See manual

Capacity

8.80 QTS.

8.32 L

Variant

Grand Touring

Note: Use FL22 type coolant in vehicles with the inscription "FL22" on the radiator cap itself or the surrounding area. For vehicles without "FL22" inscription use a mixture of demineralized water and ethylene-glycol-based coolant. Do not use solution that contains more than 60% antifreeze. Above -16Deg. C {3.2Deg. F} 65% water/35% coolant. Above -26Deg.C {-15Deg.F} 55% water/45% coolant. Above -40 Deg. C {-40Deg.F} 45% water/55% coolant.
Source: Factory service manual β€” 2019 Mazda 6 Grand Touring. View full manual section β†’

Frequently Asked Questions

What type of coolant does a 2019 Mazda 6 take?
The 2019 Mazda 6 uses an OEM-specified coolant. Refer to the factory service manual for the exact type, as it varies by engine variant.
How much coolant does a 2019 Mazda 6 hold?
The 2019 Mazda 6 cooling system capacity is 8.80 QTS. (8.32 L).
Can I use universal coolant in my 2019 Mazda 6?
Always use coolant that meets the OEM specification for your engine. Universal coolants may not provide adequate corrosion protection.
What happens if I use the wrong coolant in my 2019 Mazda 6?
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.