2015 GMC Sierra Denali specs
Maintenance specs from the 2015 GMC Sierra Denali owner's manual. Open a spec for every version and the page it's printed on.
Engines covered: 5.3L V8 (L83), 6.0L V8 (L96), 6.2L V8 (L86)
Engine & fluids
Tires & wheels
Capacities & towing
Coolant
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| 5.3L V8 | 16.6 qtcapacity | “5.3L V8 15.7 L 16.6 qt” | PDF page 397 ↗ |
| 6.0L V8 | 17.0 qtcapacity | “6.0L V8 16.1 L 17.0 qt” | PDF page 397 ↗ |
| 6.2L V8 | 16.6 qtcapacity | “6.2L V8 15.7 L 16.6 qt” | PDF page 397 ↗ |
Lug nut torque
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| All versions | 140 lb ft | “Wheel Nut Torque 190 Y 140 lb ft” | PDF page 398 ↗ |
Spark plugs
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| 5.3L V8 (L83) | 0.95–1.10 mm (0.037–0.043 in)gap | “5.3L V8 (L83) C 0.95–1.10 mm (0.037– 0.043 in)” | PDF page 398 ↗ |
| 6.0L V8 (L96) | 0.95–1.10 mm (0.037–0.043 in)gap | “6.0L V8 (L96) G 0.95–1.10 mm (0.037– 0.043 in)” | PDF page 398 ↗ |
| 6.2L V8 (L86) | 0.95–1.10 mm (0.037–0.043 in)gap | “6.2L V8 (L86) J 0.95–1.10 mm (0.037– 0.043 in)” | PDF page 398 ↗ |
Confirm with your own manual, dipstick or door-jamb label.
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