I have a 2001 Rio that still gets approx 28 mpg. A full tank of fuel will allow me approx 310 miles. I have over 150,000 on my kia!
A 2003 Kia Rio has a 11.7 gallon gas tank.
i get only 400 km, and my car is not even one month old. i have kia rio 1.4 109 hp.
There's really no rule. check your owner's manual. I think in my (07 Kia Rio) it's every 6000 miles (every other oil change).
The 2010 Kia Rio has 16 valves.
The 2002 Kia Rio has 16 valves.
The 2008 Kia Rio has 16 valves.
The 2003 Kia Rio has 16 valves.
The 2005 Kia Rio has 16 valves.
The 2012 Kia Rio has 16 valves.
The 2009 Kia Rio has 16 valves.
The 2001 Kia Rio has 16 valves.