2026 Lexus IS coolant capacity
The 2026 Lexus IS holds about 3.2 to 11.1 quarts of coolant, depending on the engine - the full cooling-system capacity when cold.
Key takeaways
- The 2026 Lexus IS holds about 3.2 to 11.1 quarts of coolant total, depending on engine.
- This is the full cooling-system fill with the engine cold.
- Refill to the marked level, and use the coolant type your owner's manual specifies.
| Engine | Capacity | Liters |
|---|---|---|
| 200t (CAN) ASE30 | 3.2 qt | 3 L |
| 250 2WD (CAN) USE30/GSE31 | 11.1 qt | 10.5 L |
| 300 AWD (CAN) | 9.9 qt | 9.4 L |
| 300 AWD (CAN) | 10.1 qt | 9.6 L |
| 300h AVE30 | 8.7 qt | 8.2 L |
When refilling, add coolant to the marked level rather than forcing in the full figure. Source.