The 1.6-liter, four-cylinder engine essentially carries over, though it sees horsepower decrease by 8 notches in the interest of fuel economy--a notable shortcoming with the last-tested Rio.With that in mind, we’ve compiled a list of some of the most fuel-efficient vehicles on sale for the 2022 model year. Opens website in a new tab. Kia Rio: 33/41/36 mpg (tie) 5. Toyota
Regardless of the particular modification, Kia Rio is generally an efficient choice. The range offers a couple of mild hybrid options, as well, to bring consumption and emissions figures even lower. But even non-hybrid Rio vehicles, such as the 1.4 CRDi variants, achieve impressive fuel economy of 3.4 - 4.3 l/100 km (69.18 - 54.7 mpg).
2007. 8.1 /10. U.S. News Rating. The 2021 Kia Rio is a solid subcompact car that comes in sedan and hatchback body styles. The Rio is fun to drive, returns great fuel economy and has an interior that punches above its weight class. It's is a well-rounded option and a good value.
With an eye toward economy, Kia equips the 5-passenger Rio with a fuel-efficient 4-cylinder engine that uses the latest in fuel-injection technology. The Rio is rated to attain up to 37 mpg yetmC5jGg.