Coolant Mixture Ratio
WARNING: This page is about a different car, the 2024 Audi S5, 2024 Audi RS 5, 2023 Audi S5, and 2023 Audi RS 5. However, it is still accessible from the selected car via links, so may be relevant.
- Coolant (40%) and distilled water (60%) for freeze protection down to -25 °C (-13 °F)
- Coolant (50%) and distilled water (50%) for freeze protection down to -36 °C (-32.8 °F))
- Coolant. Refer to the Parts Information.
CAUTION:
There is a risk of corrosion damage from an unsuitable mixture of water and coolant additive.
- For optimal corrosion protection distilled water must be used.