How does the power for the 2006 Kia Rio and Rio5 compare with competitors like the Chevrolet Aveo and Scion xA? All 2006 Kia Rio and Rio5 models offer seven more horsepower than the Aveo, with equal torque ratings. Scions are also outmatched to the tune of seven horsepower, while the Kia also comes in with an additional six lb.-ft. of torque.

How does fuel mileage compare for these same vehicles? The 2006 Kia Rio and Rio5, rated at 32/35 mpg, offers slightly better fuel economy than the Chevrolet Aveo, while the Scion xA proves to be a bit more efficient than the Rio/Rio5.

And, finally, how do the Rio/Rio5, Chevrolet Aveo, and Scion xA compare in terms of passenger and maximum cargo volume? Compared to the Chevrolet Aveo, the 2006 Kia Rio and Rio5 provide 13 to 17 additional cubic feet of passenger room. The Rio5’s passenger volume beats the Scion xA by 22 cubic feet. For maximum cargo volume, the Rio5 beats the Chevy Aveo by 7.6 cubic feet and the Scion xA by 16.8 cubic feet.