Engine, 3.6L V6, SIDI, DOHC with variable valve timing and Active Fuel Management with stop/start

2LT: not available; 3LT: 2025: O; 2026: not available; RS: 2025: S; 2026: O; Premier: O (2025 only); 305 hp (227 kW) at 6600 rpm and 269 lb-ft (365 N-m) at 5000 rpm in the 2019 list; 308 hp (229 kW) at 6700 rpm and 270 lb-ft (366 N-m) at 5000 rpm in 2025 and 2026; GM Authority LGX page lists the Blazer from 2019 to present and supplies 2020 through 2024; 2019 guide marks it standard on 2LT, 3LT, RS and Premier; comes with M3V and FXC

rated 335 hp, 284 lb-ft (2019); 2023: named only as a reference ("3.6L V6 engine") on the standard equipment page;