2015 GMC Sierra 1500 Coolant

Depends on your version. Choose yours, or compare them here.
- 4.3L V6 1500 Series 15.1 L (15.9 qt) capacity
- 5.3L V8 1500 Series 15.7 L (16.6 qt) capacity
- 6.2L V8 1500 Series 15.7 L (16.6 qt) capacity
15.1L (15.9 qt)
Capacity · 4.3L V6 1500 Series
15.7L (16.6 qt)
Capacity · 5.3L V8 1500 Series
15.7L (16.6 qt)
Capacity · 6.2L V8 1500 Series
2015 GMC Sierra 1500 Owner's Manual, PDF page 495
4.3L V6 1500 Series 15.1 L 15.9 qtOpen the manual at this page ↗Added Oct 15, 2026 · Updated
See where it's printed
Coolant (capacity) · 4.3L V6 1500 Series · PDF page 495
4.3L V6 1500 Series 15.1 L 15.9 qt
Coolant (capacity) · 5.3L V8 1500 Series · PDF page 495
5.3L V8 1500 Series 15.7 L 16.6 qt
Coolant (capacity) · 6.2L V8 1500 Series · PDF page 495
6.2L V8 1500 Series 15.7 L 16.6 qt
2015 GMC Sierra 1500 Owner's Manual, PDF page 495
4.3L V6 1500 Series 15.1 L 15.9 qtOpen the manual at this page ↗Added Oct 15, 2026 · Updated
See where it's printed
Coolant (capacity) · 4.3L V6 1500 Series · PDF page 495
4.3L V6 1500 Series 15.1 L 15.9 qt
2015 GMC Sierra 1500 Owner's Manual, PDF page 495
5.3L V8 1500 Series 15.7 L 16.6 qtOpen the manual at this page ↗Added Oct 15, 2026 · Updated
See where it's printed
Coolant (capacity) · 5.3L V8 1500 Series · PDF page 495
5.3L V8 1500 Series 15.7 L 16.6 qt
2015 GMC Sierra 1500 Owner's Manual, PDF page 495
6.2L V8 1500 Series 15.7 L 16.6 qtOpen the manual at this page ↗Added Oct 15, 2026 · Updated
See where it's printed
Coolant (capacity) · 6.2L V8 1500 Series · PDF page 495
6.2L V8 1500 Series 15.7 L 16.6 qt

See every quote (3 values)
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| 4.3L V6 1500 Series | 15.1 L (15.9 qt)capacity | “4.3L V6 1500 Series 15.1 L 15.9 qt” | PDF page 495 ↗ |
| 5.3L V8 1500 Series | 15.7 L (16.6 qt)capacity | “5.3L V8 1500 Series 15.7 L 16.6 qt” | PDF page 495 ↗ |
| 6.2L V8 1500 Series | 15.7 L (16.6 qt)capacity | “6.2L V8 1500 Series 15.7 L 16.6 qt” | PDF page 495 ↗ |
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