What is the coolant of the 2027 GMC Sierra 1500?

2.7L L4 (L4B): 12.4 qt (capacity); 5.7L V8 (L76): 17.3 qt (capacity); 6.6L V8 (L78): 16.9 qt (capacity); 3.0L L6 (LZ0): 19.4 qt (capacity). Source: 2027 GMC Sierra 1500 Owner's Manual.

2027 GMC Sierra 1500 Coolant

2027 GMC Sierra 1500 coolant for each version, from the owner's manual with page references. Values differ by version; see each version.

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

2.7L L4 (L4B) 12.4 qt capacity
5.7L V8 (L76) 17.3 qt capacity
6.6L V8 (L78) 16.9 qt capacity
3.0L L6 (LZ0) 19.4 qt capacity

2027 GMC Sierra 1500 Owner's Manual, PDF page 421

2.7L L4 (L4B) 11.8 L 12.4 qtOpen the manual at this page ↗Added Oct 20, 2026 · Updated Oct 22, 2026

See where it's printed

Coolant (capacity) · 2.7L L4 (L4B) · PDF page 421
2.7L L4 (L4B) 11.8 L 12.4 qt

Coolant (capacity) · 5.7L V8 (L76) · PDF page 421
5.7L V8 (L76) 16.4 L 17.3 qt

Coolant (capacity) · 6.6L V8 (L78) · PDF page 421
6.6L V8 (L78) 16.0 L 16.9 qt

Coolant (capacity) · 3.0L L6 (LZ0) · PDF page 421
3.0L L6 (LZ0) 18.4 L 19.4 qt

See every quote (4 values)

All versions

4 values

Applies to	Value	Manual says	Page
2.7L L4 (L4B)	12.4 qtcapacity	“2.7L L4 (L4B) 11.8 L 12.4 qt”	PDF page 421 ↗
5.7L V8 (L76)	17.3 qtcapacity	“5.7L V8 (L76) 16.4 L 17.3 qt”	PDF page 421 ↗
6.6L V8 (L78)	16.9 qtcapacity	“6.6L V8 (L78) 16.0 L 16.9 qt”	PDF page 421 ↗
3.0L L6 (LZ0)	19.4 qtcapacity	“3.0L L6 (LZ0) 18.4 L 19.4 qt”	PDF page 421 ↗

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