Cadillac ATS coolant capacity
Total cooling-system coolant capacity for the Cadillac ATS, by generation and engine, in quarts and liters.
| Engine | Capacity | Liters |
|---|---|---|
| 2.5 AWD | 7 qt | 6.6 L |
| 2.5 | 8.8 qt | 8.3 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.