The 2013 Kia Rio 1.1 CRDi EcoDynamics 1 Air is a budget-friendly supermini designed for exceptional fuel efficiency and low running costs. The 1.1-liter three-cylinder diesel engine produces 74 bhp and 170 Nm of torque, making it one of the smallest diesel engines available in this class. While it’s not the quickest car, it excels in fuel economy and low emissions. The Kia Rio 1.1 CRDi EcoDynamics 1 Air is a fantastic choice for budget-conscious drivers who prioritize fuel economy and low running costs. It’s not the most exciting to drive, but it’s practical, reliable, and cheap to own. If you do a lot of motorway miles, it’s a great frugal commuter.