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Efficient, Powerful Engine
Available in two powerplants - a 2.4-liter four-cylinder or a 2.7-liter V6 engine - and two five-speed transmissions (manual with LX four-cylinder model only), the 2009 Kia Optima introduces a new ...

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 ...

Powertrains and Performance
The standard engine on the LX is a 2.0-liter, inline four-cylinder engine. It generates 140 horsepower and 136 pound-feet of torque and is mated to either a five-speed manual transmission or a fou ...