The 2015 Ford F150 Lariat is powered by a 2.7-liter EcoBoost engine, known for its advanced technology and performance. This engine includes aluminum cylinder heads, integrated water-cooled exhaust manifolds, dual overhead chain-driven camshafts, and four valves per cylinder with roller finger followers. It features variable intake and exhaust camshaft timing and utilizes a pair of turbochargers. This six-cylinder engine produces 325 horsepower and 375 lb-ft of torque, offering a remarkable blend of power and efficiency, making the F150 Lariat both potent and practical for a variety of driving needs.