2019 Mazda 3 Rumors – 2019 Mazda 3 Rumors The forthcoming 2019 Mazda 3 can get an all-new type of engine that claims better energy economy and performance than the outgoing car. 2019 Mazda 3 Engine All-new Mazda 3 will likely be offering a new type of engine that may indicate the finish of Mazda diesels.This