The Yaris J Optional variant typically comes with a 1.5-liter, four-cylinder petrol engine known for its smooth performance and fuel efficiency. This engine delivers a balance of power and economy, making it suitable for both city commutes and highway drives. The J Optional trim level represents a mid-range variant in the Yaris lineup, offering a good balance of features and affordability. It usually sits above the base model and below higher trim levels, providing a solid set of amenities while keeping the cost competitive.