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Petrol engines blend power with economy
Now fitted with upgraded electronics and low-friction components, Kia's revised 2.0-litre 'Theta II' petrol engine delivers more power, improved durability, enhanced refinement and reduced fuel co ...

IS BIGGER BETTER?
While we’d certainly argue that when it comes to cars bigger isn’t always better, the wider and longer Optima is now in line with its main competitors delivering added interior space. Rear sea ...

Explanation of scheduled maintenance items
Engine oil and filter The engine oil and filter should be changed at the intervals specified in the maintenance schedule. If the car is being driven in severe conditions, more frequent oil and fi ...