Kia Rondo vs Scion XB
The Scion XB is more fuel-efficient at 24 MPG combined, against 22 MPG for the Kia Rondo. At EPA assumptions that is about $250 less in fuel per year. (Comparison uses each model's most efficient version.)
Side by side
What the numbers say
NHTSA has 139 complaints for the Kia Rondo and 424 for the Scion XB. Complaint counts depend heavily on how many of each vehicle were sold, so a higher count does not by itself mean a less reliable car.
Safety recalls on file: 3 for the Kia Rondo, 8 for the Scion XB.