See also:

Fuel requirements
Gasoline engine (unleaded) Your new Kia vehicle is designed to use only unleaded fuel with a minimum Octane Rating of 87 Anti-Knock Index (AKI). NOTICE NEVER USE LEADED FUEL. The use of leaded ...

A COMFORTABLE AND SOFT RIDE (TOO SOFT)
Behind the wheel of the new Optima it’s easy to point out several more faults – although there are certainly some positive aspects to the driving experience as well. On the down-size, the ca ...

Modest Acceleration: A Tale of Two Transmissions?
In the case of the Forte five-door, the added practicality seems to come at the expense of performance. As with the uplevel Forte SX sedan, the SX hatchback comes only with the larger of the Forte ...