See also:

Overheating
If your temperature gauge indicates overheating, if you experience a loss of power, or if you hear a loud knocking or pinging noise, the engine has probably overheated. Should any of these sympto ...

FAST FACTS
1. The Optima makes 200-hp from a standard direct-injection 2.4L 4-cylinder, while achieving best-in-class 24/35-mpg (city/hwy) fuel economy. 2. Optional class exclusive features include a panoram ...

Driving Impressions
More horsepower equals more pleasant riding and driving. The new V6 provides more than adequate torque for city driving and highway cruising, and is a significant improvement over the previous-gen ...