2008 Saturn AstraCoolant Type & Capacity

OEM spec from the factory service manual for the XE, Automatic variant.

Quick Answer

Coolant Type

50/50 mixture of DEX-COOL and clean, drinkable water

Capacity

6.20 QTS.

5.86 L

Variant

XE, Automatic

Note: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
Source: Factory service manual β€” 2008 Saturn Astra XE, Automatic. View full manual section β†’

Frequently Asked Questions

What type of coolant does a 2008 Saturn Astra take?
The 2008 Saturn Astra requires 50/50 mixture of DEX-COOL and clean, drinkable water. The exact spec may vary slightly by engine variant β€” this page shows the OEM recommendation for the XE, Automatic configuration.
How much coolant does a 2008 Saturn Astra hold?
The 2008 Saturn Astra cooling system capacity is 6.20 QTS. (5.86 L).
Can I use universal coolant in my 2008 Saturn Astra?
It is strongly recommended to use coolant that meets the 50/50 mixture of DEX-COOL and clean, drinkable water 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 2008 Saturn Astra?
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.