High-performance goes hybrid. Offered on the 2026 F-150 STX is the ultimate V6 upgrade - a 3.5L PowerBoost engine. This suite delivers the class-leading capability drivers deserve (435 HP, 578 lb.-ft of torque) and the efficiency they crave (22 MPG in the city, 24 MPG on the highway). Compromise proves a thing of the past, with the F-Series primed to impress with every rev.