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How to use this manual
We want to help you get the greatest possible driving pleasure from your vehicle. Your Owner’s Manual can assist you in many ways. We strongly recommend that you read the entire manual. In order ...

Additional Horsepower
The 2.4-liter 161-horsepower 4-cylinder engine has gained 23 horsepower from the early-2006 model and provides good acceleration below 60 mph—but average performance above that speed. The 2.7-li ...

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 ...