GmcSierra 1500 Sierra 1500 L87 MY2025 US2025
Coolant capacity
12.6 L (13.3 US qt) approximate entire engine cooling system capacity; recheck the level after filling.
12.6 L (13.3 US qt) approximate entire engine cooling system capacity; recheck the level after filling. Verified against the exact US MY2025 manufacturer manual.