Pontiac G6 coolant capacity
Total cooling-system coolant capacity for the Pontiac G6, by generation and engine, in quarts and liters.
| Engine | Capacity | Liters |
|---|---|---|
| 2.4 | 7.5 qt | 7.1 L |
| 3.5 GT | 9.9 qt | 9.4 L |
| 3.5 V6 | 9.7 qt | 9.2 L |
Capacity is the full cold-fill for the whole system. Top up to the marked level and use the coolant type specified in your owner's manual. Source.