Cadillac XTS coolant capacity
Total cooling-system coolant capacity for the Cadillac XTS, by generation and engine, in quarts and liters.
| Engine | Capacity | Liters |
|---|---|---|
| 3.6 V6 AWD | 7.5 qt | 7.1 L |
| 3.6 V6 Twin Turbo AWD | 10.4 qt | 9.8 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.