What is the coolant of the 2026 Cadillac CT4?

2.0L L4 Engine: 11.0 qt (capacity); 2.7L L4 Engine: 13.7 qt (capacity); 3.6L V6 Engine: 14.4 qt (capacity); 3.6L V6 Engine Intercoolers (V-Series Blackwing): 2.9 qt (capacity). Source: 2026 Cadillac CT4 Owner's Manual.

2026 Cadillac CT4 Coolant

Change year

Depends on your version. Choose yours, or compare them here.

2.0L L4 Engine 11.0 qt capacity
2.7L L4 Engine 13.7 qt capacity
3.6L V6 Engine 14.4 qt capacity
3.6L V6 Engine Intercoolers (V-Series Blackwing) 2.9 qt capacity

2026 Cadillac CT4 Owner's Manual, PDF page 375

11.0 qtOpen the manual at this page ↗Added Oct 17, 2026 · Updated Oct 18, 2026

See where it's printed

Coolant (capacity) · 2.0L L4 Engine · PDF page 375
11.0 qt

Coolant (capacity) · 2.7L L4 Engine · PDF page 375
13.7 qt

Coolant (capacity) · 3.6L V6 Engine · PDF page 375
14.4 qt

Coolant (capacity) · 3.6L V6 Engine Intercoolers (V-Series Blackwing) · PDF page 375
2.9 qt

See every quote (4 values)

All versions

4 values

Applies to	Value	Manual says	Page
2.0L L4 Engine	11.0 qtcapacity	“11.0 qt”	PDF page 375 ↗
2.7L L4 Engine	13.7 qtcapacity	“13.7 qt”	PDF page 375 ↗
3.6L V6 Engine	14.4 qtcapacity	“14.4 qt”	PDF page 375 ↗
3.6L V6 Engine Intercoolers (V-Series Blackwing)	2.9 qtcapacity	“2.9 qt”	PDF page 375 ↗

Scroll the table to see the quote and page →

Confirm with your own manual, dipstick or door-jamb label.
Report a problem with this page →