2019 Mazda 3 Mileage – 2019 Mazda 3 Mileage The future 2019 Mazda 3 can get an all-new type of engine that guarantees better gas economy and performance compared to the outgoing car. 2019 Mazda 3 Engine All-new Mazda 3 will likely be showcasing a new type of engine that could indicate the end of Mazda