See also:

Large Trunk
The large trunk has a low, wide opening and a lid that raises easily on gas struts. Rear seatbacks can be flipped forward for more cargo space, but they don't sit entirely flat. The pass-through a ...

Roomy New Interior
However, the Optima's quiet new interior is more upscale and will accommodate four tall adults, or five in a pinch. Front seats are supportive, and the rear-seat area is impressively roomy—alt ...

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 ...