Honda Fit vs Scion XB
The Honda Fit is more fuel-efficient at 31 MPG combined, against 24 MPG for the Scion XB. At EPA assumptions that is about $650 less in fuel per year. (Comparison uses each model's most efficient version.)
Side by side
What the numbers say
NHTSA has 331 complaints for the Honda Fit and 172 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: 11 for the Honda Fit, 10 for the Scion XB.