The Ford Eco Boost 20 and Eco Boost 35, released in 2010, featured engine displacements of 122 cubic inches and 213.3 cubic inches, respectively. The Eco Boost 16, also released in 2010, featured an engine displacement of 97.4 cubic inches.
A later Ford Eco Boost engine is the Eco Boost 10, released in 2012, which featured an engine displacement of 61 cubic inches. Later, Ford released the Eco Boost 15 with an engine displacement of 97.4 cubic inches. In 2015, Ford released four new Eco Boost engines, the Eco Boost 23, the Eco Boost 27, the next-generation Eco Boost 20 and the next-generation Eco Boost 35. These engines featured displacement values of 138 cubic inches, 164.4 cubic inches, 122 cubic inches and 213.3 cubic inches, respectively.
The Ford Eco Boost 10 is an in-line three-cylinder engine, while the Eco Boost 15, Eco Boost 16, Eco Boost 20 and Eco Boost 23 are all in-line four-cylinder engines. Ford released four V-6 engines in this lineup: the Eco Boost 27, Eco Boost 30, and both generations of the Eco Boost 35. All of the Eco Boost engines feature a compression ratio of 10.0:1, a dual overhead camshaft with direct acting mechanical buckets and variable camshaft timing. The cylinder head alloys of all Eco Boost engines are made of aluminum.