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Acceleration and Power
All Rio and Rio5 models have a 1.6-liter four-cylinder engine that makes 110 horsepower. A five-speed manual transmission is standard on the Rio sedan, and a four-speed automatic is available for ...

Fuel requirements
unleaded fuel having a pump octane number ((R+M)/2) of 87 (Research Octane Number 91) or higher. Your new vehicle is designed to obtain maximum performance with UNLEADED FUEL, as well as minimize ...

THE VERDICT
Kia won’t release pricing for the Optima for another few weeks, but we’re assured it will come in at under $20,000 to start and we expect it to undercut (slightly) the Sonata, which starts at ...