2.5L I4 Sedan

The 2.5L I4 Sedan was introduced in 2003 and marked an upgrade in power for the Optima. It features a 2.5L inline-4 engine producing 161 horsepower. This variant provided a balance of performance and efficiency, appealing to those looking for a midsize sedan with more power for daily driving needs. It came with improved interior features compared to earlier models.