Buick Cascada (USA / CAN)
Coolant capacity & service interval
Buick Cascada (USA / CAN) coolant capacity is 6,3 liters. Service intervals include checks every 7500 miles or 12 months and changes every 150000 miles or 60 months. The data covers 2 configurations.
The configuration chart below lists fill volumes and service intervals for each engine and trim variant.
| Type | Specifications |
|---|---|
| Cascada 1.6 Turbo (2017-2020) |
|
| Cascada 1.6 Turbo (2016-2017) |
|
Additional Notes
- The Buick Cascada 1.6 Turbo carries a coolant capacity of 6.3 liters across all listed configurations, a figure consistent with a moderate-displacement turbocharged four-cylinder engine with a sealed cooling circuit.
- Two overlapping model year ranges appear in the specifications: one covering 2016-2017 and another covering 2017-2020, with 2017 present in both entries.
- Despite the split in model year groupings, both configurations share identical capacity and interval values, meaning no measurable difference in cooling system service requirements exists between the two ranges as specified.
- The coolant change interval is listed at 150,000 miles or 60 months under normal use conditions, placing the Cascada among vehicles with extended-life coolant service schedules.
- A 60-month change interval translates to a five-year service cycle, which aligns with the behavior of modern organic acid technology or similar long-life coolant formulations.
- The check interval is set at 7,500 miles or 12 months under normal use conditions, meaning the cooling system is expected to be inspected annually well ahead of the full drain-and-fill service.
- The gap between the check interval of 7,500 miles and the change interval of 150,000 miles represents a 20-to-1 ratio, indicating that multiple inspections are expected to occur across a single coolant service life cycle.